In-Home Drug Testing Posen, IL
Instant Results - Accurate- Convenient
Accredited Drug Testing offers self-administered/self-collection drug testing products in Posen, IL for employers that need On The Job Testing, In-Home Personal Use or for Family Testing Purposes. Our in-home/self-administered rapid drug testing options are a cost-effective alternative when needing to test an employee, individual, or family member when visiting a testing center is not convenient and you are in need of a reliable rapid baseline result. Call us today to order your instant testing devices or simply place your order below. All instant testing devices are FDA approved. The initial screen is used as an initial screening and it is recommended that all positive results should be confirmed by a certified laboratory. All Negative results are conclusive.
Instant Test Products
5 Panel Rapid Result
Our 5 panel rapid results is the most common urine drug test utilized for baseline testing. This drug test screens for the most commonly abused "street" drugs and is the most common utilized by employers and individuals.
5 Panel Instant Cup Screens For:
- Amphetamines (Methamphetamines is included)
- Cocaine
- Marijuana
- Opiates
- Codeine
- Morphine
- Heroin
- Phencyclidine (PCP)
Urine Cut-Off Levels
AMP 1000ng/mL, COC 300 ng/mL, OPI 2000 ng/mL, PCP 25 ng/mL, THC 50ng/mL
10 Panel Rapid Result
The 10-panel rapid results drug testing cup is a rapid test for the detection of the commonly abused "street" drug and prescription medication. The 10 panel is utilized by employers and individuals when they are in need of a more comprehensive result than the 5-panel drug test.
10 panel Instant Cup Screens For:
- Amphetamines (Methamphetamines is included)
- Cocaine
- Marijuana
- Opiates
- Codeine
- Morphine
- Heroin
- Phencyclidine (PCP)
- Benzodiazepines
- Barbiturates
- Methadone
- Tricyclic Antidepressants (TCA)
Urine Cut-Off Levels
AMP 1000ng/mL, BAR 300 ng/mL, BZO 300 ng/mL, COC 300 ng/mL, mAMP 1000 ng/mL, MTD 500 ng/mL, OPI 2000 ng/mL, PCP 25 ng/mL, TCA 1000ng/mL, THC 50ng/mL
12 Panel Rapid Result
The 12-panel rapid results drug test screens for the presence of 12 different metabolites to provide simple, fast and accurate results. This test is often used for comprehensive testing that must include additional drugs not screened for in the 10-panel rapid test.
12 Panel Instant Cup Screens For:
- Amphetamines (Methamphetamines is included)
- Cocaine
- Marijuana
- Opiates
- Codeine
- Morphine
- Heroin
- Phencyclidine (PCP)
- Benzodiazepines
- Barbiturates
- Methadone
- MDMA
- Oxycodone
- Methadone
- Buprenorphine-Suboxone
Urine Cut-Off Levels
AMP 1000ng/mL, BAR 300 ng/mL, BUP 5 ng/mL, BZO 300 ng/mL, COC 300 ng/mL, mAMP 1000 ng/mL, MDMA 500 ng/mL, MOP 300ng/mL, MTD 500 ng/mL, OXY 100 ng/mL, PCP 25 ng/mL, THC 50ng/mL
14 Panel Rapid Result
The 14-panel rapid results drug test is currently the most comprehensive instant drug test available. This rapid test will provide you with a broad range of drug metabolites to ensure the most comprehensive in-home drug test result.
14 Panel Instant Cup Screens For:
- Amphetamines (Methamphetamines is included)
- Cocaine
- Marijuana
- Opiates
- Codeine
- Morphine
- Heroin
- Phencyclidine (PCP)
- Benzodiazepines
- Barbiturates
- Methadone
- MDMA
- Oxycodone
- Methadone
- Buprenorphine-Suboxone
- Tricyclic Anti-Depressants,
- EDDP
Urine Cut-Off Levels
AMP 1000ng/mL, BAR 300 ng/mL, BUP 5 ng/mL, BZO 300 ng/mL, COC 300 ng/mL, EDDP, mAMP 1000 ng/mL, MDMA 500 ng/mL, MOP 300ng/mL, MTD 500 ng/mL, OXY 100 ng/mL, PCP 25 ng/mL, TCA 1000ng/mL, THC 50ng/mL
Additional Screening Options
Marijuana Only (THC) Instant
This single dip rapid result test screens for the presence of THC metabolites. Simple 2 step process (dip and read), results within 5 minutes or less.
Urine Cut-Off Levels
50 ng/mL cutoff level
Nicotine (Cotinine) Instant
This single use dip rapid result test screens for the presence of nicotine and cotinine metabolites in urine. Simple 2 step process (dip and read), results within 5 minutes or less.
Urine Cut-Off Levels
Cotinine 200ng/ml cutoff level
ETG Alcohol Instant
This single use dip rapid result test screens for the presence of alcohol metabolite (ETG) for up to 80 hours of consumption. Simple 2 step process (dip and read), results within 5 minutes or less.
Urine Cut-Off Levels
500 ng/mL cut-off level
Don't see your single drug test? Accredited Drug Testing also offers the following single panel drug test screening options for:
- Cocaine (COC)
- Marijuana (THC)
- Amphetamine (AMP)
- Methamphetamine (mAMP)
- Opiates (OPI)
- Oxycodone (OXY)
- Benzodiazepines (BZO)
- Barbiturates (BAR)
- Buprenorphine (BUP)
- Phencyclidine (PCP)
- MDMA-Ecstasy
- Methadone (MTD)
- Tramadol (TRM)
- Fentanyl (FEN)*
- K2 Spice (Synthetic Marijuana)*
If you are in need of a laboratory-analyzed drug or alcohol test, please find listed below our Posen, IL testing locations.
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
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
In-Home Drug Testing
In-home drug testing is a method used by individuals to check for the presence of drugs in the body, typically through urine, saliva, or hair sample tests. This form of testing is commonly employed by parents, employers, and educational institutions who wish to monitor drug use. It can also be useful for individuals monitoring their own recovery from drug addiction or for those who need to ensure a drug-free status for workplace compliance.
Types of In-Home Drug Tests
- Urine Tests: The most common type, these tests detect drugs and their metabolites in urine. They are known for their ease of use, rapid results, and affordability.
- Saliva Tests: These involve collecting saliva to detect drug residues. While not as sensitive as urine tests, they are less invasive and can detect drug use within a shorter window after consumption.
- Hair Follicle Tests: These tests provide a longer detection window, tracing drug use back up to 90 days. However, they are more expensive and require sending a sample to a lab for analysis.
Advantages of In-Home Drug Testing
In-home drug testing kits offer several benefits:
- Privacy: Allows testing in a private setting, which can be less stressful for individuals being tested.
- Convenience: Tests can be performed at any time and do not require appointments with healthcare providers.
- Immediate Results: Most tests provide results within minutes, offering quick insight into drug use.
- Cost-Effective: These tests are generally more affordable than testing conducted at medical facilities.
Limitations and Considerations
While in-home drug testing kits are useful, they also have limitations:
- Accuracy: The accuracy can vary between brands and types of tests. False positives and false negatives can occur, especially if the test kits are not used correctly.
- Legal Implications: The results from in-home tests might not be admissible in court or in formal employment settings, which often require confirmation from professional labs.
- Drug Detection Windows: Each drug has a different detection window, and some drugs may not be detectable shortly after use.
Choosing the Right Test
When selecting an in-home drug testing kit, consider the following:
- Substances Tested: Ensure the kit can detect the specific drugs you are concerned about.
- Sensitivity and Specificity: Look for kits that balance sensitivity (ability to detect drugs at low levels) with specificity (ability to avoid false positives).
- User Reviews: Research reviews and feedback to gauge the effectiveness and reliability of different brands and types.
In summary, in-home drug testing can be a valuable tool for maintaining a safe and drug-free environment. However, it is essential to understand its limitations and ensure proper usage to obtain reliable results.
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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.