Suisun City, California

Suisun City population, 2020 to 2024

Suisun City added 136 residents from July 2020 to July 2024, a change of +0.5%. In the latest year it moved by +518. Among 429 California places of 5,000 or more, that growth ranks 145th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Suisun City is 80% of it.

Suisun City covers 4.01 square miles of land and 0.06 of water, for 7,385 people per square mile of land. The median California place of 5,000+ has 3,725, so Suisun City is denser than the typical town.

What county Suisun City is in

All of Suisun City's residents live in Solano County, which had 455,101 residents in 2024. Suisun City holds 6.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Suisun City

1 ZIP Code Tabulation Area (ZCTA) overlaps Suisun City by at least 10% of the ZCTA's or the city's land: 94585. 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 Suisun City is

The Census internal point of Suisun City is at 38.248300, -122.010100. Sacramento, the capital, is 36.0 miles NE in a straight line. The nearest larger place is Fairfield, CA (122,646 people), 1.6 miles away.

Daylight in Suisun City

At 38.25° N, Suisun City gets about 14 h 50 min of daylight around the June solstice and 9 h 30 min around the December solstice, a swing of 5 h 20 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Suisun City

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Fairfield, 1.5 miles away, with 122,646 people.