Simi Valley Flag

Simi Valley

County:
Ventura County
County Seat:
No
Area (mi²):
41.542
State:
California

Simi Valley is a city located in Ventura County, California. Simi Valley has a 2026 population of 125,493. Simi Valley is currently declining at a rate of -0.11% annually and its population has decreased by -0.68% since the most recent census, which recorded a population of 126,347 in 2020.

The median household income in Simi Valley is $122,081 with a poverty rate of 6.37%. The median age in Simi Valley is 41.9 years: 41 years for males, and 43 years for females. For every 100 females there are 97.9 males.

125.5K
Total Population
3,021
Density (mi²)
-142 -0.11%
Growth

Simi Valley Population

Simi Valley Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026125,493-142-0.11%
2025125,635-143-0.11%
2024125,7785070.4%
2023125,2711680.13%
2022125,103-712-0.57%
2021125,815-554-0.44%
2020126,3476650.53%
2019125,682-272-0.22%
2018125,954-149-0.12%
2017126,1032010.16%
2016125,902-84-0.07%
2015125,986-52-0.04%
2014126,0382500.2%
2013125,7884800.38%
2012125,3083800.3%
2011124,9285040.41%
2010124,4241870.15%
2000111,35111,13411.11%
1990100,21722,71729.31%
198077,50017,66829.53%
197059,83255,6321324.57%
19604,2002,300121.05%
19401,90000%

Median Age

Overall: 41.9 years
Female: 43 years
Male: 41 years

Simi Valley Adults

There are 101,155 adults, (21,589 of whom are seniors) in Simi Valley.

Sex Ratio

Female: 63,471 (50.5%)
Male: 62,163 (49.5%)

Demographics

The racial composition of Simi Valley includes 58.2% White, 10.59% Asian, 10.35% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White73,11358.2%
Two or more races23,11118.4%
Asian13,30610.59%
Other race13,00710.35%
Black or African American1,6881.34%
Native American1,1740.93%
Native Hawaiian or Pacific Islander2350.19%
Race
Population ↓
Percentage (of total)
Two or more races16,51913.15%
Other race12,1909.7%
White6,1254.88%
Native American1,0100.8%
Asian4180.33%
Black or African American1320.11%
Native Hawaiian or Pacific Islander440.04%
Race
Population ↓
Percentage (of total)
White66,98853.32%
Asian12,88810.26%
Two or more races6,5925.25%
Black or African American1,5561.24%
Other race8170.65%
Native Hawaiian or Pacific Islander1910.15%
Native American1640.13%

Simi Valley Marital Status

Economics and Income Statistics

Simi Valley 's average per capita income is $68,083. Household income levels show a median of $122,081. The poverty rate stands at 6.37%.

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$156,236-
Families$143,638$176,023
Households$122,081$153,354
Non Families$70,619$87,224

$68,083

Average Income

$122,081

Median Household Income

6.37%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)