Colfax is a city in Placer County, California, at the crossroads of Interstate 80 and State Route 174.

Elevation: 2,425′

Area: 1.41 mi²

Weather: 40°F (4°C), Wind S at 8 mph (13 km/h), 95% Humidity More on

Population: 2,018 (2021)

As cited from

According to the most recent ACS, the racial composition of Colfax was:

  • White: 88.53%
  • Two or more races: 6.02%
  • Black or African American: 3.32%
  • Other race: 1.20%
  • Native American: 0.93%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%

The median age in Colfax is 35.8 years, 35 years for males, and 36.4 years for females.

See complete demographics charts at

More About Colfax Demographics

It is worth noting that while Colfax has a base population of about 2,000 full-time residents, it is on the primary Interstate Highway 80 corridor, which links San Francisco, Sacramento, Tahoe, and Reno Nevada. Colfax is also in a key corridor with many other surrounding communities.

In March 2020, the City of Colfax entered into a 2-year contract with Retail Strategies. Retail Strategies is a retail recruiter. This specialized firm uses mobile data to identify and pursue the best retail opportunities for growing a community. 2020 included ongoing site evaluation, data aggregate analysis, and direct contact with potential retailers for Colfax. (see 12/09/2020 presentation in the City of Colfax City Council Agenda.) Retail Strategies works to revitalize communities to drive positive economic, tourism, and quality of life for communities across America.

The following graphs were presented  to Colfax City Council by Retail Strategies in December 2020: