Oceanside, California

Oceanside population, 2020 to 2024

Oceanside lost 3,130 residents from July 2020 to July 2024, a change of -1.8%. In the latest year it moved by -128. Among 429 California places of 5,000 or more, that growth ranks 267th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Oceanside is 4.6 times that size.

Oceanside covers 41.27 square miles of land and 0.89 of water, for 4,142 people per square mile of land. The median California place of 5,000+ has 3,725, so Oceanside is denser than the typical town.

What county Oceanside is in

All of Oceanside's residents live in San Diego County, which had 3,298,799 residents in 2024. Oceanside holds 5.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Oceanside

4 ZIP Code Tabulation Areas (ZCTAs) overlap Oceanside by at least 10% of the ZCTA's or the city's land: 92054, 92056, 92057, 92058. 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 Oceanside is

The Census internal point of Oceanside is at 33.224600, -117.306300. Sacramento, the capital, is 437.7 miles NNW in a straight line. The nearest larger place is San Diego, CA (1,404,452 people), 30.0 miles away. The nearest city of 100,000 or more is Carlsbad, CA, 6.7 miles away. The ground at the internal point is about 68 m (223 ft) above sea level.

Daylight in Oceanside

At 33.22° N, Oceanside gets about 14 h 21 min of daylight around the June solstice and 9 h 57 min around the December solstice, a swing of 4 h 24 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 Oceanside daylight page.

Places near Oceanside

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Vista, 4.6 miles away, with 99,322 people.