Colfax, CA Facts, Population, Income, Demographics, Economy

Population (total): Population in 2017: 2,005 (97% urban, 3% rural).

Median Age: 33.5 years

Poverty (overall): Percentage of residents living in poverty in 2017: 14.7%

Sex Offenders: According to our research of California and other state lists, there were 13 registered sex offenders living in Colfax, California as of January 15, 2021. The ratio of all residents to sex offenders in Colfax is 173 to 1.>

Ancestries: Ancestries: German (18.1%), American (6.6%), Irish (5.7%), European (5.4%), British (4.8%), Scandinavian (4.3%).

Land Area: 1.31 square miles.

Zip Codes: 95713

Colfax is located at 39°5′50″N 120°57′14″W / 39.09722°N 120.95389°W / 39.09722; -120.95389 (39.097260, -120.954017). According to the United States Census Bureau, the city has a total area of 1.4 square miles (3.6 km2), all of it land.

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Recognitions and Certifications

Accredited Drug Testing has been recognized as one of the "Top 10 drug testing companies" for excellent customer service and we have received TPA Accreditation from the National Drug and Alcohol Screening Association. We are active in all drug testing industry associations and our staff are trained and certified as drug and alcohol testing specialists.

Important Links

National Drug and Alcohol Screening Association (https://ndasa.com/)

National Drug Free Workplace Alliance (https://www.ndwa.org/)

Substance Abuse Program Administrators Association (https://www.sapaa.com/)

Substance Abuse Mental Health Safety Administration (https://www.samhsa.gov/)

US Drug Enforcement Administration (https://www.dea.gov/)

Office of Drug alcohol Policy Control (https://www.transportation.gov/odapc)

Colfax, CA Locations

Employment, DOT, Court Ordered, Probation, School, Family

Multiple Testing Centers In Colfax, CA

Scheduling a test is Fast and Easy, call our scheduling department or schedule your test online 24/7

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center.

Industry Partners

Colfax, CA Testing Locations

(Don't see a location near you, call 800-221-4291)

155 GLASSON WAY 10.1 miles

155 GLASSON WAY
GRASS VALLEY, CA 95945
Categories: GRASS VALLEY CA

123 MARGARET LN STE A2 10.2 miles

123 MARGARET LN STE A2
GRASS VALLEY, CA 95945
Categories: GRASS VALLEY CA

2090 NEVADA CITY HWY 10.4 miles

2090 NEVADA CITY HWY
GRASS VALLEY, CA 95945
Categories: GRASS VALLEY CA

180 SIERRA COLLEGE DR 10.6 miles

180 SIERRA COLLEGE DR
GRASS VALLEY, CA 95945
Categories: GRASS VALLEY CA

11795 EDUCATION ST STE 220 13.4 miles

11795 EDUCATION ST STE 220
AUBURN, CA 95602
Categories: AUBURN CA

3133 Professional Drive, Suite 16 13.6 miles

3133 Professional Drive, Suite 16
Auburn, CA 95603
Categories: Auburn CA

3875 TAYLOR RD STE 1A 23.8 miles

3875 TAYLOR RD STE 1A
LOOMIS, CA 95650
Categories: LOOMIS CA

Scheduling a test is Fast and Easy, call our scheduling department or schedule your test online 24/7

*You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center

Accredited Drug Testing has drug testing locations in most cities and towns throughout the United States. Providing drug testing, alcohol testing, DNA testing and other related services. Most testing centers are within minutes of your home or office. Same day service is available in most cases. To schedule a test please call our scheduling department at 1-800-221-4291 or you may schedule your test online utilizing your zip code in which you are located.

Employers - Accredited Drug Testing provides easy, convenient, confidential and cost-effective drug testing services, including pre-employment drug testing, random drug testing, post-accident drug testing and reasonable suspicion drug and alcohol testing. We can also assist you with the implementation of your drug free workplace program with drug policy development, supervisor training, employee education and on-going consultation. In many cases a company certified as a drug free workplace can receive discounts on their workers' compensation insurance premiums along with lowering employee absenteeism, enhancing workplace safety and improving employee morale. To open a no cost employer drug testing account click here or call our office at 1-800-221-4291

Individuals - If you are an individual in need of a drug, alcohol or DNA test, Accredited Drug Testing is your one stop shopping for all your testing needs. Simply call our customer service staff at 1-800-221-4291 or you may register online. There is no need to open an account or be affiliated with any company. Accredited Drug Testing offers drug testing for personal, court ordered, probation, child custody or any other reason you may need! To schedule a test please call our scheduling department at 1-800-221-4291 or you may schedule your test online utilizing your zip code in which you are located.

Search Locations by State

Local Area Info: Colfax, California

Colfax (formerly, Alden Grove, Alder Grove, Illinoistown, and Upper Corral) is a city in Placer County, California, at the crossroads of Interstate 80 and State Route 174. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area. The population was 1,963 at the 2010 census. The town is named in honor of U.S. Vice President Schuyler Colfax (1869–73), a bronze statue of whom stands at Railroad Street and Grass Valley Street. (This is the only known statue of Schuyler Colfax in the United States). Some of the town's notable features include the newly restored Southern Pacific Railroad colonnade-style depot (which houses the Colfax Museum and Chamber of Commerce) built in 1905, the downtown shops on Main Street, and Colfax High School, which serves a large surrounding area.

Originally inhabited by the Maidu and Miwok Indians, by the mid-19th century the city site was known as Alder Grove; however, as development increased, the city became known as Illinoistown. In April 1852, the Reelfoot Williams Gang robbed a Nevada City stagecoach of $7,000 in gold bullion near Illinoistown. This was the first stagecoach robbery in the gold country.

Later it was renamed Colfax after then Speaker of the House (and later Vice President) Schuyler Colfax who visited the town in 1865 while inspecting progress of construction of the Central Pacific Railroad, the western portion of the first transcontinental railroad. The city was the southern terminus of the Nevada County Narrow Gauge Railroad from 1876 until the railroad’s removal in 1942. Historic U.S. Route 40 also runs through the city as well as the more modern Interstate 80. The city is mentioned in Jules Verne’s book, Around the World in Eighty Days.

Show Regional Data

Population (total): Population in 2017: 2,005 (97% urban, 3% rural).

Median Age: 33.5 years

Poverty (overall): Percentage of residents living in poverty in 2017: 14.7%

Sex Offenders: According to our research of California and other state lists, there were 13 registered sex offenders living in Colfax, California as of January 15, 2021. The ratio of all residents to sex offenders in Colfax is 173 to 1.>

Ancestries: Ancestries: German (18.1%), American (6.6%), Irish (5.7%), European (5.4%), British (4.8%), Scandinavian (4.3%).

Land Area: 1.31 square miles.

Zip Codes: 95713

Colfax is located at 39°5′50″N 120°57′14″W / 39.09722°N 120.95389°W / 39.09722; -120.95389 (39.097260, -120.954017). According to the United States Census Bureau, the city has a total area of 1.4 square miles (3.6 km2), all of it land.