Simi Valley, CA Population

Overview

126,809

Total Population

41.0

Median age

50.95%

Female population %

96.3:100

Gender ratio (M:F)

55-59 years

Largest age group

47.8

Total dependency ratio

White

Largest racial group

32,748

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Simi Valley's population is old compared to the rest of the country:

The median age in Simi Valley is 41.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Simi Valley's population under 18 was 20.80%, compared to the 22.51% nationwide.
Simi Valley's elderly or the senior population (over 65 age) was 15.75% as compared to 16.04% nationwide.
Of the total population in Simi Valley, 16.58% were under the age of 15, 19.44% aged 15 to 29, 48.23% aged 30 to 64, 13.76% aged 65 to 84, and 1.99% were 85 years of age and older.

There are 2,411 more females than males in Simi Valley:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.95% females and 49.05% males in Simi Valley, CA.
The Simi Valley, CA gender ratio is 96.3:100 i.e. 96.3 men to 100 women (0.963).
For male population, the largest age group is 55-59 years with a population of 4,848.
For the female population, the largest age group is 55-59 years with a population of 4,949.

Simi Valley's population has become increasingly diverse:

Racial distribution of Simi Valley population: 70.91% are White, 1.35% are Black or African American, 0.41% are American Indian and Alaska Native, 11.32% are Asian, 0.20% are Native Hawaiian and other Pacific Islander, 6.09% are some other race and 9.73% are multiracial.
Simi Valley's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 32,748 is Hispanic or Latino (of any race), and 94,061 (74.18% of the total population) is Non-Hispanic.
The largest racial group in Simi Valley is White with a population of 89,915 (70.91% of the total population).

Simi Valley's population has already reached its peak and is showing a trend of decline:

The peak population was 126,335 in the year 2020
From 2000 to 2010, Simi Valley's population increased by 12,504 (11.17%), as compared to the national growth of 9.63%.
From 2010 to 2020, Simi Valley's population increased by 1,911 (1.54%), 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, Simi Valley's population was lowest in year 2000 at 111,920.