Simi Valley, California

Simi Valley population, 2020 to 2024

Simi Valley lost 569 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by +507. Among 429 California places of 5,000 or more, that growth ranks 181st; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Simi Valley is 3.4 times that size.

Simi Valley covers 41.55 square miles of land and 0.70 of water, for 3,027 people per square mile of land. The median California place of 5,000+ has 3,725, so Simi Valley is less dense than the typical town.

What county Simi Valley is in

All of Simi Valley's residents live in Ventura County, which had 835,427 residents in 2024. Simi Valley holds 15.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Simi Valley

2 ZIP Code Tabulation Areas (ZCTAs) overlap Simi Valley by at least 10% of the ZCTA's or the city's land: 93063, 93065. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Simi Valley is

The Census internal point of Simi Valley is at 34.266900, -118.748500. Sacramento, the capital, is 334.6 miles NNW in a straight line. The nearest larger place is Santa Clarita, CA (229,159 people), 17.5 miles away. The nearest city of 100,000 or more is Thousand Oaks, CA, 8.8 miles away. The ground at the internal point is about 269 m (883 ft) above sea level.

Daylight in Simi Valley

At 34.27° N, Simi Valley gets about 14 h 27 min of daylight around the June solstice and 9 h 52 min around the December solstice, a swing of 4 h 35 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Simi Valley daylight page.

Places near Simi Valley

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Moorpark, 7.5 miles away, with 35,621 people.