La Mesa, California

La Mesa population, 2020 to 2024

La Mesa lost 327 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by +97. Among 429 California places of 5,000 or more, that growth ranks 189th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so La Mesa is 1.6 times that size.

La Mesa covers 9.09 square miles of land, for 6,685 people per square mile of land. The median California place of 5,000+ has 3,725, so La Mesa is denser than the typical town.

What county La Mesa is in

All of La Mesa's residents live in San Diego County, which had 3,298,799 residents in 2024. La Mesa holds 1.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in La Mesa

2 ZIP Code Tabulation Areas (ZCTAs) overlap La Mesa by at least 10% of the ZCTA's or the city's land: 91941, 91942. 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 La Mesa is

The Census internal point of La Mesa is at 32.769500, -117.021900. Sacramento, the capital, is 473.1 miles NNW in a straight line. The nearest larger place is El Cajon, CA (103,291 people), 4.2 miles away.

Daylight in La Mesa

At 32.77° N, La Mesa gets about 14 h 19 min of daylight around the June solstice and 10 h 00 min around the December solstice, a swing of 4 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near La Mesa

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Lemon Grove, 2.6 miles away, with 27,867 people.