Laboratory/Blood Testing Centers
Posen, IL
Lab/Blood Testing Centers
Posen, IL
Accredited Drug Testing in Posen, Illinois provides confidential laboratory analyzed testing services at our Posen, IL testing locations for medical and personal testing purposes for health, prevention and early detection of diseases. Patients can directly schedule a laboratory test including blood and urinalysis at multiple laboratory/blood testing centers in Posen, Illinois and the surrounding areas. Same day service is available and most testing centers in the Posen, IL area are within minutes of your home or office.
2310 York St Ste 4A 1.8 miles
Blue Island, IL 60406
15600 HONORE AVE 2.0 miles
HARVEY, IL 60426
12647 S JUSTINE ST 2.5 miles
CALUMET PARK, IL 60827
12942 S CARPENTER ST 2.6 miles
CALUMET PARK, IL 60827
16501 KEDZIE AVE 3.0 miles
MARKHAM, IL 60428
4800 W 129TH ST 3.1 miles
ALSIP, IL 60803
4742 CAL SAG RD 3.2 miles
CRESTWOOD, IL 60445
1734 W 105TH ST 5.0 miles
CHICAGO, IL 60643
16246 PRINCE DR 5.3 miles
SOUTH HOLLAND, IL 60473
10837 S Cicero Ave Ste 310, 5.3 miles
Oak Lawn, IL 60453
10242 S VINCENNES AVE 5.5 miles
CHICAGO, IL 60643
18665 DIXIE HWY 5.7 miles
HOMEWOOD, IL 60430
5533 W 109TH ST STE 103 5.8 miles
OAK LAWN, IL 60453
19150 South Kedzie Avenue, Suite 101 6.3 miles
Flossmoor, IL 60422
16325 HARLEM AVE STE 110 6.3 miles
TINLEY PARK, IL 60477
3317 W 95TH ST LOWR LEVEL STE 5 6.3 miles
EVERGREEN PARK, IL 60805
900 E 103RD ST 6.7 miles
CHICAGO, IL 60628
1595 VALENCIA CT 6.7 miles
CALUMET CITY, IL 60409
17148 HARLEM AVE 6.8 miles
TINLEY PARK, IL 60477
19550 GOVERNORS HWY 6.8 miles
FLOSSMOOR, IL 60422
6701 159TH ST OCC HEALTH 6.9 miles
TINLEY PARK, IL 60477
7800 W College Dr, Room 1-W 7.3 miles
Palos Heights, IL 60463
5660 W 95TH ST 7.4 miles
OAK LAWN, IL 60453
12255 S 80TH AVE 7.4 miles
PALOS HEIGHTS, IL 60463
17665 Torrence Ave, 7.5 miles
Lansing, IL 60438
onsite for POH only 7.8 miles
ORLAND PARK, IL 60462
2741 RIDGE RD 8.2 miles
LANSING, IL 60438
2741 RIDGE RD FL 2 8.2 miles
LANSING, IL 60438
5500 Hohman Ave Ste 1D 8.3 miles
Hammond, IN 46320
8751 S Greenwood Ave Ste 106, 8.4 miles
Chicago, IL 60619
3831 S HOHMAN AVE 8.5 miles
HAMMOND, IN 46327
14475 John Humphrey Dr Ste 100, 8.7 miles
Orland Park, IL 60462
4020 S CALUMET AVE 8.9 miles
HAMMOND, IN 46320
1423 CHICAGO RD 9.0 miles
CHICAGO HEIGHTS, IL 60411
813 SIBLEY ST 9.0 miles
HAMMOND, IN 46320
30 E 15TH ST STE 100 9.1 miles
CHICAGO HEIGHTS, IL 60411
9570 W 159TH ST STE A 9.1 miles
ORLAND PARK, IL 60467
6624 MONROE AVE 9.1 miles
HAMMOND, IN 46324
8755 S HARLEM AVE 9.2 miles
BRIDGEVIEW, IL 60455
1010 165TH ST 9.5 miles
HAMMOND, IN 46324
6423 COLUMBIA AVE UNIT A 9.7 miles
HAMMOND, IN 46320
18210 LA GRANGE RD STE 110 9.8 miles
TINLEY PARK, IL 60487
7905 CALUMET AVE 9.9 miles
MUNSTER, IN 46321
8135 S Calumet Ave 10.0 miles
Munster, IN 46321
8840 CALUMET AVE, STE 204 10.5 miles
MUNSTER, IN 46321
5015 W 65TH ST 10.5 miles
BEDFORD PARK, IL 60638
1974 E 73RD ST 10.5 miles
CHICAGO, IL 60649
10737 W. 165TH STREET 10.7 miles
ORLAND PARK, IL 60467
19070 EVERETT BLVD, UNIT 111 10.8 miles
MOKENA, IL 60448
5709 S. Loomis Blvd 11.0 miles
Chicago, IL 60636
3301 N Ashland 11.1 miles
Chicago, IL 60657
6500 W 65TH ST 11.2 miles
CHICAGO, IL 60638
5525 S PULASKI RD FL 3 11.3 miles
CHICAGO, IL 60629
2450 169TH ST 11.3 miles
HAMMOND, IN 46323
4940 S CICERO AVE 11.5 miles
CHICAGO, IL 60638
5841 S MARYLAND AVE 11.5 miles
CHICAGO, IL 60637
650 W 51ST ST 11.9 miles
CHICAGO, IL 60609
4321 FIR ST STE 313 12.0 miles
EAST CHICAGO, IN 46312
24 JOLIET ST 12.5 miles
DYER, IN 46311
PO BOX 63 12.7 miles
MOKENA, IL 60448
21035 S LA GRANGE RD 13.0 miles
FRANKFORT, IL 60423
9532 EAGLE WAY 13.1 miles
CHICAGO, IL 60678
7501 W 15TH AVE 13.4 miles
GARY, IN 46406
3145 45TH ST STE F 13.5 miles
HIGHLAND, IN 46322
REMIT ONLY: DEPT 77-6478 13.7 miles
CHICAGO, IL 60678
75 REMITTANCE DR STE 1660 13.7 miles
CHICAGO, IL 60675
3316 S ASHLAND AVE 14.0 miles
CHICAGO, IL 60608
6170 JOLIET RD 14.0 miles
COUNTRYSIDE, IL 60525
1573 N CLINE AVE 14.1 miles
GRIFFITH, IN 46319
250 E MAPLE ST 14.1 miles
NEW LENOX, IL 60451
3145 S ASHLAND AVE STE 110 14.3 miles
CHICAGO, IL 60608
5404 W 25TH AVE STE107 14.3 miles
GARY, IN 46406
6555 WILLOW SPRINGS RD STE 6 14.3 miles
LA GRANGE HIGHLANDS, IL 60525
1500 US HIGHWAY 41 14.4 miles
SCHERERVILLE, IN 46375
14330 S WILL COOK RD 14.7 miles
HOMER GLEN, IL 60491
25711 S Egyptian Trail 14.8 miles
Monee, IL 60449
ONSITE ONLY 14.9 miles
WILLOWBROOK, IL 60527
2929 S ELLIS AVE 14.9 miles
CHICAGO, IL 60616
2907 S WABASH AVE STE 100 15.0 miles
CHICAGO, IL 60616
3201 S WALLACE ST 15.0 miles
CHICAGO, IL 60616
4519 W 5TH AVE 15.0 miles
GARY, IN 46406
2600 S Michigan Ave 15.1 miles
CHICAGO, IL 60616
2361 Reliable Parkway 15.2 miles
Chicago, IL 60686
2393 Reliable Parkway 15.2 miles
Chicago, IL 60686
1217 US HIGHWAY 41 15.5 miles
SCHERERVILLE, IN 46375
6300 KINGERY HWY STE 404 15.6 miles
WILLOWBROOK, IL 60527
5101 WILLOW SPRINGS RD 15.7 miles
LA GRANGE, IL 60525
5601 W CERMAK RD 15.7 miles
CICERO, IL 60804
535 PLAINFIELD RD STE C 16.0 miles
WILLOWBROOK, IL 60527
621 E LINCOLN HWY 16.2 miles
NEW LENOX, IL 60451
125 N LA GRANGE RD 16.3 miles
LA GRANGE, IL 60525
7222 W CERMAK RD 16.6 miles
NORTH RIVERSIDE, IL 60546
811 S STATE ST STE B 16.8 miles
CHICAGO, IL 60605
835 S WOLCOTT AVE STE E144 17.2 miles
CHICAGO, IL 60612
600 W ADAMS ST 17.2 miles
CHICAGO, IL 60661
7421 S CASS AVE 17.2 miles
DARIEN, IL 60561
300 W ADAMS ST STE 835 17.3 miles
CHICAGO, IL 60606
614 W MONROE ST 17.3 miles
CHICAGO, IL 60661
16221 W 159th St 17.4 miles
Lockport, IL 60441
18W125 RODGERS CT 17.6 miles
DARIEN, IL 60561
1230 W LAKE ST 17.6 miles
CHICAGO, IL 60607
55 E WASHINGTON ST STE 2500 17.6 miles
CHICAGO, IL 60602
40 S CLAY ST STE 100E 17.6 miles
HINSDALE, IL 60521
111 N Wabash Ave Ste 1514, 17.6 miles
Chicago, IL 60602
36 W RANDOLPH ST STE 705 17.6 miles
CHICAGO, IL 60601
534 CHESTNUT ST, STE 230 17.7 miles
HINSDALE, IL 60521
311 N ABERDEEN ST STE 100B 17.7 miles
CHICAGO, IL 60607
300 E RANDOLPH ST CL404 17.8 miles
CHICAGO, IL 60601
413 S HARVEY AVE 18.0 miles
OAK PARK, IL 60302
676 N SAINT CLAIR ST STE 900 18.1 miles
CHICAGO, IL 60611
610 S Maple Ave, Ste 5800 18.1 miles
Oak Park, IL 60304
1030 W CHICAGO AVE 18.3 miles
CHICAGO, IL 60642
233 E ERIE ST STE 602 18.4 miles
CHICAGO, IL 60611
219 W CHICAGO AVE 18.4 miles
CHICAGO, IL 60654
2450 WOLF RD STE I 18.5 miles
WESTCHESTER, IL 60154
1044 N FRANCISCO AVE 18.6 miles
CHICAGO, IL 60622
1113 Fairview Ave, 18.8 miles
Westmont, IL 60559
537 N HARVEY AVE 18.9 miles
OAK PARK, IL 60302
1431 N Western Ave Ste 137, 19.1 miles
Chicago, IL 60622
2615 HARRISON ST 19.1 miles
BELLWOOD, IL 60104
1460 N Halsted St Ste 201, 19.2 miles
Chicago, IL 60642
1520 N DAMEN AVE 19.2 miles
CHICAGO, IL 60622
1000 S HAMILTON ST 19.6 miles
LOCKPORT, IL 60441
7530 Woodward Ave. Suite G, 19.8 miles
Woodridge, IL 60517
7530 WOODWARD AVE 19.8 miles
WOODRIDGE, IL 60517
1225 W LAKE ST STE 101 19.9 miles
MELROSE PARK, IL 60160
7230 W NORTH AVE STE 106B 20.1 miles
ELMWOOD PARK, IL 60707
2400 N. Ashland Ave Suite 100 20.3 miles
Chicago, IL 60614
391 S BOLINGBROOK DR 20.3 miles
BOLINGBROOK, IL 60440
Fitness Department, 20.7 miles
Melrose Park, IL 60101
155 E BRUSH HILL RD 20.7 miles
ELMHURST, IL 60126
480 QUADRANGLE DR 20.7 miles
BOLINGBROOK, IL 60440
130 N WEBER RD STE 108 20.9 miles
BOLINGBROOK, IL 60440
2800 N Sheridan Rd Ste G1, 20.9 miles
Chicago, IL 60657
2868 N BROADWAY ST 21.0 miles
CHICAGO, IL 60657
2333 N HARLEM AVE STE 100 21.1 miles
CHICAGO, IL 60707
3000 N. Halsted, Suite 604 21.1 miles
Chicago, IL 60657
751 E 81ST PL 21.4 miles
MERRILLVILLE, IN 46410
387 EAST 84TH DR 21.5 miles
MERRILLVILLE, IN 46410
484 W Boughton Rd, 21.5 miles
Bolingbrook, IL 60440
9001 Broadway, 21.7 miles
Merrillville, IN 46410
1983 N MANNHEIM RD 21.9 miles
MELROSE PARK, IL 60160
611 DIVISION ST 22.1 miles
PEOTONE, IL 60468
7107 W BELMONT AVE 22.1 miles
CHICAGO, IL 60634
2340 S Highland Ave Ste 330, 22.4 miles
Lombard, IL 60148
3101 N HARLEM AVE LOWER LEVEL 22.7 miles
CHICAGO, IL 60634
4126 N Milwaukee Ave, 22.7 miles
Chicago, IL 60641
1200 S YORK RD Center for Health 22.7 miles
ELMHURST, IL 60126
4211 N CICERO AVE 22.7 miles
CHICAGO, IL 60641
2025 S CHICAGO ST 22.9 miles
JOLIET, IL 60436
1280 WINDHAM PKWY 22.9 miles
ROMEOVILLE, IL 60446
4757 W MONTROSE AVE 23.0 miles
CHICAGO, IL 60641
1438 RIPLEY ST 23.0 miles
LAKE STATION, IN 46405
10137 GRAND AVE 23.0 miles
FRANKLIN PARK, IL 60131
2490 CENTRAL AVE 23.2 miles
LAKE STATION, IN 46405
1354 S LAKE PARK AVE 23.3 miles
HOBART, IN 46342
16101 WEBER RD 23.3 miles
CREST HILL, IL 60403
565 N YORK ST 23.7 miles
ELMHURST, IL 60126
533 W North Ave, LL Suite 50 23.8 miles
Elmhurst, IL 60126
800 N LARKIN AVE 23.8 miles
JOLIET, IL 60435
1190 S NAPER BLVD 23.9 miles
NAPERVILLE, IL 60540
1220 HOBSON RD STE 220 24.0 miles
NAPERVILLE, IL 60540
321 W LAKE ST STE C 24.1 miles
ELMHURST, IL 60126
726 S WEBER RD 24.1 miles
BOLINGBROOK, IL 60490
130 S MAIN ST 1ST FL IMMEDIATE CARE OCC HEALTH 24.2 miles
LOMBARD, IL 60148
2000 GLENWOOD AVE 24.2 miles
JOLIET, IL 60435
2100 GLENWOOD AVE 24.3 miles
JOLIET, IL 60435
310 N. Hammes Ave Ste 102, 24.3 miles
Joliet, IL 60435
330 MADISON ST STE B2 24.4 miles
JOLIET, IL 60435
32 UNO CIR 24.5 miles
JOLIET, IL 60435
333 MADISON ST 24.5 miles
JOLIET, IL 60435
4830 N Cumberland Ave Ste 9 24.5 miles
Norridge, IL 60706
4900 N CUMBERLAND AVE 24.6 miles
NORRIDGE, IL 60706
4200 MANNHEIM RD 24.7 miles
SCHILLER PARK, IL 60176
875 ROOSEVELT RD STE 200 24.7 miles
GLEN ELLYN, IL 60137
5961 N LINCOLN AVE UNIT 2 24.8 miles
CHICAGO, IL 60659
2300 W PETERSON AVE 24.8 miles
CHICAGO, IL 60659
129 W SAINT CHARLES RD 24.8 miles
LOMBARD, IL 60148
639 W NORTH AVE 24.9 miles
VILLA PARK, IL 60181
4801 W Peterson Ave Ste 205, 25.0 miles
Chicago, IL 60646
Testing services include physician referral, collection of the specimen, complete laboratory analysis and confidential and secure result reporting.
Common Lab/Blood Tests Performed in Posen, IL Include:
- Lipid/Cholesterol Test
- STD Testing
- Diabetes Testing
- Thyroid Testing
- Hemoglobin A1C Testing
- Complete Blood Count (CBC) Testing
- Hepatitis Testing
- Basic Metabolic Testing
- Liver Function Testing
- Hormone Testing
** Patients who have high insurance deductibles, co-pays or do not have insurance can access important health and wellness testing by scheduling/Ordering a confidential clinical test through Accredited Drug Testing By Phone or On-line.
The process to schedule a lab/blood test in Posen, Illinois is fast and easy!
Step 1: Schedule/Order your test online at www.accrediteddrugtesting.com/lab-test-order or call our scheduling department at 800-221-4291. You do not need to visit a doctor to order a test.
Step 2: Provide confidential and secure patient information including the type of test, zip code of the location area you would like to take the test, make payment and you will receive a patient registration form by email where you can immediately proceed to the testing center. Same day service is available. Your test registration pass will have the testing location address and hours of operation.
Step 3: After your test has been analyzed by one of our national CLIA and FDA certified laboratories (Quest/ LabCorp) your results will be sent through a confidential, secure and encrypted portal to the email address that you provided. In the event that the test is non-negative, abnormal or other circumstances, a consultation with the referring physician is available.
Blood Testing Posen, Illinois
A blood test performed in Posen, IL is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick. Multiple tests for specific blood components, such as a glucose test or a cholesterol test, are often grouped together into one test panel called a blood panel or blood work. Blood tests are often used in health care to determine physiological and biochemical states, such as disease, mineral content, pharmaceutical drug effectiveness, and organ function. Typical clinical blood panels include a basic metabolic panel or a complete blood count. Blood tests are also used in drug tests to detect drug abuse.
A basic metabolic panel measures sodium, potassium, chloride, bicarbonate, blood urea nitrogen (BUN), magnesium, creatinine, glucose, and sometimes calcium. Tests that focus on cholesterol levels can determine LDL and HDL cholesterol levels, as well as triglyceride levels.
Some tests, such as those that measure glucose or a lipid profile, require fasting (or no food consumption) eight to twelve hours prior to the drawing of the blood sample.
For the majority of tests, blood is usually obtained from the patient's vein. Other specialized tests, such as the arterial blood gas test, require blood extracted from an artery. Blood gas analysis of arterial blood is primarily used to monitor carbon dioxide and oxygen levels related to pulmonary function, but is also used to measure blood pH and bicarbonate levels for certain metabolic conditions.[While the regular glucose test is taken at a certain point in time, the glucose tolerance test involves repeated testing to determine the rate at which glucose is processed by the body.
Laboratory Testing In Posen, Illinois
Our laboratory testing locations in Posen, IL provide a wide range of certified laboratory test analysis. Some test results can be affected by certain foods and medications. For this reason, people may be asked to not eat or drink for several hours before a laboratory test or to delay taking medications until after the test.
Common Lab Tests Performed at our Posen, Illinois Testing Facilities Include:
- Complete Blood Count. This test, also known as a CBC, is the most common blood test performed.
- Prothrombin Time. Also known as PT and Pro Time, this test measures how long it takes blood to clot.
- Basic Metabolic Panel.
- Comprehensive Metabolic Panel.
- Lipid Panel.
- Liver Panel.
- Thyroid Stimulating Hormone.
- Hemoglobin A1C.
All laboratory testing that is performed on humans in the United States (except testing done in clinical trials and other types of human research) is regulated through the Clinical Laboratory Improvement Amendments (CLIA), which were passed by Congress in 1988. The CLIA laboratory certification program is administered by the Centers for Medicare & Medicaid Services (CMS) in conjunction with the FDA and the Centers for Disease Control and Prevention. CLIA ensures that laboratory staff are appropriately trained and supervised and that testing laboratories have quality control programs in place so that test results are accurate and reliable.
STD Testing Posen, Illinois
Our local Posen, Illinois STD testing centers provide multiple STD tests for individuals who may have been exposed to or showing symptoms of an STD. Millions of Americans have some form of an STD and our testing is provided in a confidential manner. STD tests may be ordered for one specific type of test or you may order a multiple panel test which includes several STD tests. STD stands for Sexually Transmitted Disease, also known as STI or Sexually Transmitted Infection, meaning that these diseases are most often, but not exclusively, spread by sexual intercourse.
STDs are passed from one person to another through sexual activity which can include vaginal intercourse, anal intercourse and/or anal intercourse. Though not as common, STDs can also be transmitted through intimate physical contact such as heavy petting.
STDs do not always cause symptoms, or they may only cause mild symptoms. This makes it very possible to have an infection and not know it. Therefore, if you are sexually active it is important to get tested at least once a year.
Handy Resources
Comprehensive Online Resources for Drug Testing
- National Institute on Drug Abuse (NIDA)
Provides comprehensive information on drug testing and its role in substance use disorder treatment.
- FDA: Drug Testing
Explains the FDA's role and regulations concerning drug testing for consumers.
- PDR.net
Provides detailed drug information and safety updates through a mobile-friendly platform.
- BeSafeRx - FDA
Resource by the FDA to help consumers identify and choose safe online pharmacies.
- SAMHSA: Drug Testing Resources for the Workplace
Resources and guidelines for drug testing in the workplace.
- Drugs.com
Provides drug information, side effects, and interactions for consumers and professionals.
- Drug Abuse Screening Test (DAST)
Online version of the DAST to help individuals assess whether they have a drug problem.
- Merck Manuals
Consumer-friendly medical resource providing comprehensive information on a wide array of health topics, including drug testing.
- SAMHSA Store
Provides access to resources and publications on substance use prevention and treatment.
- National Association of Boards of Pharmacy (NABP)
Information on state boards of pharmacy and regulations, including those related to drug testing.
- CDC: Workplace Health Promotion
CDC's resources on substance use and drug testing in the workplace.
- Mayo Clinic: Drug Testing
General information about the procedures and types of drug tests.
- MedlinePlus: Drug Testing
Offers information about various drug tests and their uses in medical diagnosis and treatment.
- University of Rochester Medical Center Health Encyclopedia
Provides a detailed entry on drug testing, including how tests are conducted and what they detect.
- World Health Organization (WHO)
International guidelines and information on public health, including substance abuse and drug testing.
- Healthline: Drug Testing
Consumer health site offering information on how drug tests work and what they look for.
- WebMD: Drug Testing
Provides a patient-oriented overview of drug testing and its purposes.
- National Center for Biotechnology Information (NCBI)
Provides a vast database of scientific studies, including research on drug testing and its effectiveness.
AI Overview
Laboratory Blood Testing: An Essential Overview
Laboratory blood testing is a fundamental tool in medical diagnostics, offering critical insights into the physiological and pathological conditions of the body. These tests are commonly used to evaluate health, diagnose diseases, and monitor medical treatments. This overview highlights the importance, common types of blood tests, and what individuals can expect during the testing process.
Importance of Blood Testing
Blood tests are vital for early detection and management of diseases. They help in assessing the functioning of various organs such as the liver, kidneys, and thyroid, and are essential in diagnosing conditions like diabetes, anemia, and heart disease. Regular blood testing can aid in the early detection of health issues, allowing for timely intervention.
Common Types of Blood Tests
- Complete Blood Count (CBC): Measures the levels of various blood cells like red blood cells, white blood cells, and platelets. This test is crucial for diagnosing conditions such as anemia and infections.
- Blood Chemistry Panels: Includes tests such as liver panels, kidney panels, and electrolyte testing which assess the functionality of these organs and electrolyte balance.
- Lipid Panel: Used to determine the levels of cholesterol and triglycerides in the blood, important for assessing heart disease risk.
- Blood Glucose Tests: Measures blood sugar levels to manage and diagnose diabetes.
- Coagulation Panel: Assesses blood clotting ability and can help diagnose clotting disorders or monitor blood thinning medications.
What to Expect During a Blood Test
- Preparation: Some tests require fasting or other specific conditions before sample collection. It's important to follow all preparatory instructions provided by the healthcare provider.
- Collection Process: A healthcare professional will draw blood, usually from a vein in the arm, using a small needle. The process is quick and causes minimal discomfort.
- Results: The time to receive test results can vary depending on the type of test. Results are typically available within a few days and will be discussed with the healthcare provider to interpret what they mean for the individual’s health.
Benefits of Regular Blood Testing
Regular blood testing provides numerous benefits:
- Health Monitoring: Helps track health changes over time, providing insights into how lifestyle, diet, and age affect body functions.
- Disease Management: Essential for managing chronic conditions, allowing adjustments in treatment plans based on test results.
- Preventive Care: Identifies risk factors early, enabling preventive measures to be taken before the onset of more serious conditions.
Laboratory blood testing is a key component in healthcare management, playing a crucial role in diagnosing, monitoring, and preventing diseases. Understanding the types and purposes of various blood tests can help individuals actively participate in their healthcare decisions.
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Local Area Info: Posen, Illinois
Posen is a village in Cook County, Illinois, United States. Posen is the German-language name for the western Polish city of Pozna?. The population of the village was 5,987 at the 2010 census, up from 4,730 in 2000.
The area that is now Posen was settled by farmers, mainly of Dutch and German origin, in the second half of the 19th century. In 1893 a Chicago-based real estate firm hired 75 agents in the Polish-speaking areas of Germany to sell land to Poles seeking to emigrate to the United States. Over the next few years the village emerged as a place largely inhabited by factory workers, mainly employed at nearby Harvey, who also had room on their lots for gardens. In 1894 the Roman Catholic Archdiocese of Chicago established a mission to serve the Polish residents of Posen, which was elevated to parish status as St. Stanislaus the Martyr in 1898.
In the 1930s the population of Posen was 98% of Polish origin, and in 1960 only 0.1% of the population was identified in the census as being not white, or 4 of the 4,513 inhabitants.In 1963 there were 7% black students that attended the Posen School. In 1990 Posen, having fallen to 4,226 inhabitants, was still 94.5% white, a large portion of this population being Polish. About 4% of the population identified as being both white and Hispanic, for an overall 7.3% or 310 people identifying as being Hispanic. In 2010 3,171 residents of Posen identified as Hispanic, representing the expansion of the Hispanic population to 10 times what it had been 20 years before (or an increase of more than 900% over 10 years). In the same time period the number of African American residents of the village increased from 60 (or 1.4% of the population) to 1,035. This means that the percentage rate of growth of the African American population of Posen over the last 20 years has been greater than that of the Hispanic population. While as late as 2004 the Encyclopedia of Chicago still referred to Posen as "predominantly Polish American" even then an actual examination of the 2000 census ancestry report would have shown that only a quarter of the population claimed to have Polish ancestry.