Seal Beach, California

Seal Beach population, 2020 to 2024

Seal Beach lost 770 residents from July 2020 to July 2024, a change of -3.1%. In the latest year it moved by -37. Among 429 California places of 5,000 or more, that growth ranks 330th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Seal Beach is 66% of it.

Seal Beach covers 11.31 square miles of land and 0.52 of water, for 2,159 people per square mile of land. The median California place of 5,000+ has 3,725, so Seal Beach is less dense than the typical town.

What county Seal Beach is in

All of Seal Beach's residents live in Orange County, which had 3,170,435 residents in 2024. Seal Beach holds 0.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Seal Beach

2 ZIP Code Tabulation Areas (ZCTAs) overlap Seal Beach by at least 10% of the ZCTA's or the city's land: 90740, 90743. 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 Seal Beach is

The Census internal point of Seal Beach is at 33.754400, -118.071300. Sacramento, the capital, is 384.0 miles NNW in a straight line. The nearest larger place is Westminster, CA (89,537 people), 4.5 miles away. The nearest city of 100,000 or more is Huntington Beach, CA, 5.5 miles away.

Daylight in Seal Beach

At 33.75° N, Seal Beach gets about 14 h 24 min of daylight around the June solstice and 9 h 55 min around the December solstice, a swing of 4 h 29 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Seal Beach

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Los Alamitos, 3.0 miles away, with 11,846 people.