Overview
2,289
Total Population
35.6
Median age
47.01%
Female population %
112.7:100
Gender ratio (M:F)
15-19 years
Largest age group
49.0
Total dependency ratio
White
Largest racial group
309
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Colfax's population is young compared to the rest of the country:
- The median age in Colfax is 35.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Colfax's population under 18 was 28.66%, compared to the 22.51% nationwide.
- Colfax's elderly or the senior population (over 65 age) was 11.62% as compared to 16.04% nationwide.
- Of the total population in Colfax, 21.28% were under the age of 15, 19.83% aged 15 to 29, 47.27% aged 30 to 64, 9.22% aged 65 to 84, and 2.40% were 85 years of age and older.

Read more about Colfax, CA population by age ➔
Gender
There are 137 less females than males in Colfax:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.01% females and 52.99% males in Colfax, CA.
- The Colfax, CA gender ratio is 112.7:100 i.e. 112.7 men to 100 women (1.127).
- For male population, the largest age group is 15-19 years with a population of 172.
- For the female population, the largest age group is 40-44 years with a population of 126.

Read more about Colfax, CA population by gender ➔
Race / Ethnicity
Colfax's population has become increasingly diverse:
- Racial distribution of Colfax population: 86.85% are White, 3.19% are Black or African American, 0.70% are American Indian and Alaska Native, 0.92% are Asian, 1.22% are some other race and 7.12% are multiracial.
- Colfax's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 309 is Hispanic or Latino (of any race), and 1,98 (86.50% of the total population) is Non-Hispanic.
- The largest racial group in Colfax is White with a population of 1,988 (86.85% of the total population).

Read more about Colfax, CA population by race ➔
Year by year
Colfax's population has not reached its peak yet and is showing a trend of further growth:
- The peak population was 2,021 in the year 2022
- From 2000 to 2010, Colfax's population increased by 445 (29.61%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Colfax's population increased by 43 (2.21%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Colfax's population was lowest in year 2000 at 1,503.

Read more about Colfax, CA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)