Belmont, California

Belmont population, 2020 to 2024

Belmont lost 1,133 residents from July 2020 to July 2024, a change of -4.0%. In the latest year it moved by +205. Among 429 California places of 5,000 or more, that growth ranks 370th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Belmont is 73% of it.

Belmont covers 4.63 square miles of land, for 5,860 people per square mile of land. The median California place of 5,000+ has 3,725, so Belmont is denser than the typical town.

What county Belmont is in

All of Belmont's residents live in San Mateo County, which had 742,893 residents in 2024. Belmont holds 3.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Belmont

1 ZIP Code Tabulation Area (ZCTA) overlaps Belmont by at least 10% of the ZCTA's or the city's land: 94002. 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 Belmont is

The Census internal point of Belmont is at 37.514400, -122.294500. Sacramento, the capital, is 85.4 miles NNE in a straight line. The nearest larger place is San Carlos, CA (29,403 people), 1.8 miles away. The nearest city of 100,000 or more is San Mateo, CA, 3.3 miles away.

Daylight in Belmont

At 37.51° N, Belmont gets about 14 h 45 min of daylight around the June solstice and 9 h 34 min around the December solstice, a swing of 5 h 11 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Belmont

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is San Carlos, 1.8 miles away, with 29,403 people.