Sunnyvale, California

Sunnyvale population, 2020 to 2024

Sunnyvale added 1,531 residents from July 2020 to July 2024, a change of +1.0%. In the latest year it moved by +2,739. Among 429 California places of 5,000 or more, that growth ranks 126th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Sunnyvale is 4.2 times that size.

Sunnyvale covers 22.06 square miles of land and 0.72 of water, for 7,108 people per square mile of land. The median California place of 5,000+ has 3,725, so Sunnyvale is denser than the typical town.

What county Sunnyvale is in

All of Sunnyvale's residents live in Santa Clara County, which had 1,926,325 residents in 2024. Sunnyvale holds 8.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sunnyvale

4 ZIP Code Tabulation Areas (ZCTAs) overlap Sunnyvale by at least 10% of the ZCTA's or the city's land: 94085, 94086, 94087, 94089. 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 Sunnyvale is

The Census internal point of Sunnyvale is at 37.385800, -122.026300. Sacramento, the capital, is 87.3 miles NNE in a straight line. The nearest larger place is Fremont, CA (228,192 people), 8.8 miles away. The nearest city of 100,000 or more is Santa Clara, CA, 3.5 miles away. The ground at the internal point is about 18 m (59 ft) above sea level.

Daylight in Sunnyvale

At 37.39° N, Sunnyvale gets about 14 h 45 min of daylight around the June solstice and 9 h 35 min around the December solstice, a swing of 5 h 10 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 Sunnyvale daylight page.

Places near Sunnyvale

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Mountain View, 3.1 miles away, with 87,316 people.