Santa Rosa

County:: Sonoma County
County Seat:: Yes
Area (mi²):: 42.536
State:: California

Santa Rosa is a city located in Sonoma County, California. Santa Rosa has a 2025 population of 174,435. It is also the county seat of Sonoma County. Santa Rosa is currently declining at a rate of -0.4% annually and its population has decreased by -1.98% since the most recent census, which recorded a population of 177,959 in 2020.

The average household income in Santa Rosa is $129,680 with a poverty rate of 9.5%. The median age in Santa Rosa is 40.5 years: 39.3 years for males, and 41.6 years for females.

Demographics

The racial composition of Santa Rosa includes 56.19% White, 20.04% other race, 6.52% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	99,578	56.19%
Other race	35,509	20.04%
Two or more races	23,685	13.37%
Asian	11,551	6.52%
Black or African American	3,343	1.89%
Native American	2,434	1.37%
Native Hawaiian or Pacific Islander	1,116	0.63%

Santa Rosa Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Santa Rosa's average per capita income is $55,421. Household income levels show a median of $97,410. The poverty rate stands at 9.5%.

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	$134,460	$168,871
Families	$115,964	$148,982
Households	$97,410	$129,680
Non Families	$66,581	$90,422

$55,421

Average Income

$97,410

Median Household Income

9.5%

Poverty Rate