Simi Valley Population

1940–2026

124.61K

2026 projection

1.4% since 2020 (decrease)

020K40K60K80K100K120K140K19401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Simi Valley. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026124,611-2500.20%
2025124,861-4880.39%
2024125,349+2260.18%
2023125,123+680.05%
2022125,055-7790.62%
2021125,834-5140.41%
2020126,348+6660.53%
2019125,682-2720.22%
2018125,954-1490.12%
2017126,103+2010.16%

Showing 10 of 23 years.

Simi Valley Demographics

41.9median age

Median age

Female43 yrs
Male41 yrs

Adults

101,155
21,589 seniors · 21%79,566 other adults

Sex

Female 50.5% · 63,471Male 49.5% · 62,163

Population by age

MaleFemale85+ years, male: 1,06585+ years, female: 1,70580–84 years, male: 1,00480–84 years, female: 1,54275–79 years, male: 1,89875–79 years, female: 2,06970–74 years, male: 2,41070–74 years, female: 2,72765–69 years, male: 3,46265–69 years, female: 3,70760–64 years, male: 4,34260–64 years, female: 4,72355–59 years, male: 4,72755–59 years, female: 4,54550–54 years, male: 4,87050–54 years, female: 4,38945–49 years, male: 4,51645–49 years, female: 4,31140–44 years, male: 3,69340–44 years, female: 4,63035–39 years, male: 3,95135–39 years, female: 3,61530–34 years, male: 4,43830–34 years, female: 3,85125–29 years, male: 4,11825–29 years, female: 3,68220–24 years, male: 3,74720–24 years, female: 4,64115–19 years, male: 3,97815–19 years, female: 3,44010–14 years, male: 3,73610–14 years, female: 3,7965–9 years, male: 3,3135–9 years, female: 3,3390–4 years, male: 2,8950–4 years, female: 2,75985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,256 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Simi Valley Income

$122,081median household income

Median household income

$122,081

Half of households earn more, half earn less

Median earnings

$68,083

Typical yearly pay for a worker 25 or older.

Poverty rate

6.4%

About 1 in 16 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Simi Valley Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%52%49%
Never married33%36%30%
Divorced10%8%13%
Widowed5%3%8%
Separated1%1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year