Simi Valley is home to 125,634 people in California. The typical home is worth $823,800, having more than tripled since 2000. That puts it in the top 4% of US cities for household income. Renters pay $2,579 a month at the median. Households take in $122,081 a year at the median, 48% more than the country as a whole. Density works out to 3,024 people per square mile.
At a glance
Wealthier
median household income $122,081, above the US median
US median: $82,259
Older
median age 41.9
US median: 38.9
Average education
39% hold a bachelor's degree
US average: 36%
Less affordable
home values up 92%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Simi Valley
What changed most since 1990
White share80.2% → 53.3%(−26.9 pts)US over the same years: −17.8 pts
Median age31.2 → 41.9(+10.7 years)US over the same years: +6.0 years
Hispanic share12.5% → 29.0%(+16.5 pts)US over the same years: +9.9 pts
Simi Valley's population equals 15% of Ventura County's. Its number of households without a car equals 11% of the county's. Its number of residents living in poverty equals 10% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)24.7%(1,053)
US avg: 26.4%
Gulf War (1990s)15.3%(654)
US avg: 24.3%
Vietnam era32%(1,366)
US avg: 33.1%
Korean War5.7%(244)
US avg: 4.5%
World War II1.3%(55)
US avg: 1%
Share of the 4,267 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Simi Valley, decade by decade
Simi Valley population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
100,217
$129,525
$557,296
21.1%
42.2
2000
111,351
$128,190
$428,453
24.9%
54.8
2010
124,237
$127,565
$796,105
31.3%
67.8
2020
126,356
$120,289
$742,616
33.9%
76.8
2024
125,634
$122,081
$823,800
39.1%
77.1
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
