Columbia

County:: Tuolumne County
County Seat:: No
Area (mi²):: 5.961
State:: California

Columbia is a CDP located in Tuolumne County, California. Columbia has a 2025 population of 2,475. Columbia is currently growing at a rate of 0.49% annually and its population has increased by 18.65% since the most recent census, which recorded a population of 2,086 in 2020.

The average household income in Columbia is $73,298 with a poverty rate of 14.64%. The median age in Columbia is 49.2 years: 41 years for males, and 51.8 years for females.

Demographics

The racial composition of Columbia includes 80.26% White, 4.84% other race, 3.36% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,123	80.26%
Two or more races	276	10.43%
Other race	128	4.84%
Asian	89	3.36%
Black or African American	18	0.68%
Native American	11	0.42%
Native Hawaiian or Pacific Islander	0	0%

Columbia Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Columbia's average per capita income is $35,946. Household income levels show a median of $57,647. The poverty rate stands at 14.64%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$99,028	-
Families	$68,672	$89,797
Households	$57,647	$73,298
Non Families	$19,531	$32,438

$35,946

Average Income

$57,647

Median Household Income

14.64%

Poverty Rate