Simi Valley, CA Demographics

A map of Simi Valley's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	66,988	68,251	53.3%	54.0%
Hispanic	36,438	35,921	29.0%	28.4%
Asian	12,888	13,264	10.3%	10.5%
Multiracial	6,592	5,872	5.2%	4.6%
Black	1,556	1,861	1.2%	1.5%
Native American/Other	1,172	1,187	0.9%	0.9%

Simi Valley, California has an estimated population of 125,634, a less than 1% change from the 126,356 recorded in the 2020 Census. The population is 53.3% White, 29.0% Hispanic, 10.3% Asian, 5.2% Multiracial, 1.2% Black, and 0.9% Native American/Other. This demographic dot map shows the population of Simi Valley, with one dot drawn for each person counted by the Census, color-coded by race.

Simi Valley is about as racially diverse as it was in 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 Simi Valley, that probability was 61.4% in 2020 and 61.8% in the most recent ACS estimates.

Simi Valley is ranked the 47th 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). Simi Valley was ranked the 48th most populous place in the 2020 Census.

Simi Valley's White Population

66,988 residents of Simi Valley, or 53.3% of the population, identify as White. The share of White residents in Simi Valley is significantly higher than in California overall, where 33.8% of the population is White. Simi Valley ranks 883rd statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's White population has declined by an estimated 1.9%. White residents' share of Simi Valley's population has decreased from 54.0% to 53.3%.

Simi Valley is more White than neighboring Moorpark (50.3% White). Simi Valley is less White than neighboring Oak Park (69.1% White), Bell Canyon (73.3% White), Santa Susana (87% White), and Agoura Hills (68.2% White).

Simi Valley's Black Population

1,556 residents of Simi Valley, or 1.2% of the population, identify as Black. The share of Black residents in Simi Valley is slightly lower than in California overall, where 5.2% of the population is Black. Simi Valley ranks 553rd statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's Black population has declined by an estimated 16.4%. Black residents' share of Simi Valley's population has remained roughly unchanged at 1.2%.

Simi Valley is more Black than neighboring Oak Park (0.3% Black), Bell Canyon (0% Black), Santa Susana (0% Black), and Agoura Hills (0.8% Black). Simi Valley is less Black than neighboring Moorpark (3.1% Black).

Simi Valley's Asian Population

12,888 residents of Simi Valley, or 10.3% of the population, identify as Asian. The share of Asian residents in Simi Valley is slightly lower than in California overall, where 15.3% of the population is Asian. Simi Valley ranks 291st statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's Asian population has declined by an estimated 2.8%. Asian residents' share of Simi Valley's population has remained roughly unchanged at 10.3%.

Simi Valley is more Asian than neighboring Santa Susana (0% Asian), Agoura Hills (7.1% Asian), and Moorpark (6.7% Asian). Simi Valley is less Asian than neighboring Oak Park (17.4% Asian), and Bell Canyon (19.2% Asian).

Simi Valley's Hispanic Population

36,438 residents of Simi Valley, or 29.0% of the population, identify as Hispanic. The share of Hispanic residents in Simi Valley is considerably lower than in California overall, where 40.2% of the population is Hispanic. Simi Valley ranks 688th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's Hispanic population has grown by an estimated 1.4%. Hispanic residents' share of Simi Valley's population has increased from 28.4% to 29.0%.

Simi Valley is more Hispanic than neighboring Oak Park (7.9% Hispanic), Bell Canyon (4% Hispanic), Santa Susana (6.4% Hispanic), and Agoura Hills (15.6% Hispanic). Simi Valley is less Hispanic than neighboring Moorpark (34.4% Hispanic).

Simi Valley's Native American/Other Population

1,172 residents of Simi Valley, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Simi Valley is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Simi Valley ranks 1077th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's Native American/Other population has declined by an estimated 1.3%. Native American/Other residents' share of Simi Valley's population has remained roughly unchanged at 0.9%.

Simi Valley is more Native American/Other than neighboring Oak Park (0.8% Native American/Other), Santa Susana (0% Native American/Other), and Moorpark (0.2% Native American/Other). Simi Valley is less Native American/Other than neighboring Bell Canyon (2.9% Native American/Other), and Agoura Hills (1.6% Native American/Other).

Simi Valley's Multiracial Population

6,592 residents of Simi Valley, or 5.2% of the population, identify as Multiracial. The share of Multiracial residents in Simi Valley is comparable to the share in California overall, where 4.4% of the population is Multiracial. Simi Valley ranks 810th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Simi Valley's Multiracial population has grown by an estimated 12.3%. Multiracial residents' share of Simi Valley's population has increased from 4.6% to 5.2%.

Simi Valley is more Multiracial than neighboring Oak Park (4.4% Multiracial), and Bell Canyon (0.6% Multiracial). Simi Valley is less Multiracial than neighboring Santa Susana (6.6% Multiracial), Agoura Hills (6.6% Multiracial), and Moorpark (5.3% 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.