Santa Rosa Valley, CA Demographics

A map of Santa Rosa Valley's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,943	2,467	69.9%	74.5%
Hispanic	308	397	11.1%	12.0%
Asian	306	203	11.0%	6.1%
Multiracial	99	185	3.6%	5.6%
Black	82	20	2.9%	0.6%
Native American/Other	42	40	1.5%	1.2%

Santa Rosa Valley, California has an estimated population of 2,780, a large decrease from the 3,312 recorded in the 2020 Census. The population is 69.9% White, 11.1% Hispanic, 11.0% Asian, 3.6% Multiracial, 2.9% Black, and 1.5% Native American/Other. This demographic dot map shows the population of Santa Rosa Valley, with one dot drawn for each person counted by the Census, color-coded by race.

Santa Rosa Valley has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Santa Rosa Valley, that probability was 42.4% in 2020 and 48.5% in the most recent ACS estimates.

Santa Rosa Valley is ranked the 811th most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Santa Rosa Valley was ranked the 768th most populous place in the 2020 Census.

Santa Rosa Valley's White Population

1,943 residents of Santa Rosa Valley, or 69.9% of the population, identify as White. The share of White residents in Santa Rosa Valley is significantly higher than in California overall, where 33.8% of the population is White. Santa Rosa Valley ranks 422nd statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's White population has declined by an estimated 21.2%. White residents' share of Santa Rosa Valley's population has decreased from 74.5% to 69.9%.

Santa Rosa Valley is more White than neighboring Moorpark (50.3% White), Thousand Oaks (62.3% White), Casa Conejo (50.7% White), and Somis (56.6% White). Santa Rosa Valley is less White than neighboring Lake Sherwood (71% White).

Santa Rosa Valley's Black Population

82 residents of Santa Rosa Valley, or 2.9% of the population, identify as Black. The share of Black residents in Santa Rosa Valley is slightly lower than in California overall, where 5.2% of the population is Black. Santa Rosa Valley ranks 975th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's Black population has grown by an estimated 310.0%. Black residents' share of Santa Rosa Valley's population has increased from 0.6% to 2.9%.

Santa Rosa Valley is more Black than neighboring Thousand Oaks (1.8% Black), Somis (0% Black), and Lake Sherwood (0% Black). Santa Rosa Valley is less Black than neighboring Moorpark (3.1% Black), and Casa Conejo (3.5% Black).

Santa Rosa Valley's Asian Population

306 residents of Santa Rosa Valley, or 11.0% of the population, identify as Asian. The share of Asian residents in Santa Rosa Valley is slightly lower than in California overall, where 15.3% of the population is Asian. Santa Rosa Valley ranks 418th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's Asian population has grown by an estimated 50.7%. Asian residents' share of Santa Rosa Valley's population has increased from 6.1% to 11.0%.

Santa Rosa Valley is more Asian than neighboring Moorpark (6.7% Asian), Thousand Oaks (8.7% Asian), Casa Conejo (5.6% Asian), and Somis (6.3% Asian). Santa Rosa Valley is less Asian than neighboring Lake Sherwood (11.5% Asian).

Santa Rosa Valley's Hispanic Population

308 residents of Santa Rosa Valley, or 11.1% of the population, identify as Hispanic. The share of Hispanic residents in Santa Rosa Valley is significantly lower than in California overall, where 40.2% of the population is Hispanic. Santa Rosa Valley ranks 1158th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's Hispanic population has declined by an estimated 22.4%. Hispanic residents' share of Santa Rosa Valley's population has decreased from 12.0% to 11.1%.

Santa Rosa Valley is more Hispanic than neighboring Lake Sherwood (10.7% Hispanic). Santa Rosa Valley is less Hispanic than neighboring Moorpark (34.4% Hispanic), Thousand Oaks (20.6% Hispanic), Casa Conejo (24.4% Hispanic), and Somis (35.2% Hispanic).

Santa Rosa Valley's Native American/Other Population

42 residents of Santa Rosa Valley, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Santa Rosa Valley is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Santa Rosa Valley ranks 823rd statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's Native American/Other population has grown by an estimated 5.0%. Native American/Other residents' share of Santa Rosa Valley's population has remained roughly unchanged at 1.5%.

Santa Rosa Valley is more Native American/Other than neighboring Moorpark (0.2% Native American/Other), Thousand Oaks (1.3% Native American/Other), Somis (0% Native American/Other), and Lake Sherwood (0% Native American/Other). Santa Rosa Valley is less Native American/Other than neighboring Casa Conejo (8% Native American/Other).

Santa Rosa Valley's Multiracial Population

99 residents of Santa Rosa Valley, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Santa Rosa Valley is comparable to the share in California overall, where 4.4% of the population is Multiracial. Santa Rosa Valley ranks 577th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Santa Rosa Valley's Multiracial population has declined by an estimated 46.5%. Multiracial residents' share of Santa Rosa Valley's population has decreased from 5.6% to 3.6%.

Santa Rosa Valley is more Multiracial than neighboring Somis (1.9% Multiracial). Santa Rosa Valley is less Multiracial than neighboring Moorpark (5.3% Multiracial), Thousand Oaks (5.3% Multiracial), Casa Conejo (7.8% Multiracial), and Lake Sherwood (6.9% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.