Where is Belmont, California, U.S.

Written and Fact-checked by | Updated On: March 05, 2026, 14:55 ET

Where is Belmont, California Located in the United States? - Belmont is a city located in the San Mateo County in California, United States. Belmont lies between 37.5202 Degrees North latitudes and -122.2758 Degrees West longitudes.

Location Map of Belmont, San Mateo, California

Where is Belmont Located in San Mateo, California

About Map: The map shows the location of Belmont in San Mateo County, in the U.S. state of California.

Belmont Map, California, USA

About Belmont Map: This Google Map provides a detailed view with zoom, satellite, and street options to explore the area and its surroundings.

About Belmont, San Mateo County, California

Belmont is located in San Mateo County in the U.S. state of California, United States. It lies in the northern part of the state in the state of the United States along the San Francisco Peninsula within the San Francisco Bay Area. The city was incorporated in 1926 and its name means “beautiful mountain” in Italian, referring to the scenic hills that rise above the community, and it developed from a small residential settlement into a suburban city.

Population

According to the United States Census Bureau, the population of Belmont is 27,769 as recorded in the 2020 Census, and the population density is approximately 5,800 people per square mile.

Area and Geography

According to the United States Census Bureau, Belmont covers a total area of approximately 4.6 square miles (about 11.9 square kilometers), including about 4.6 square miles (11.9 square kilometers) of land and a minimal amount of water area.

Location and Surroundings

Belmont is situated south of San Mateo and north of San Carlos, positioned along the western shoreline of the San Francisco Bay on the San Mateo Peninsula. The city features residential neighborhoods, hillside communities, and nearby open space areas extending toward the Santa Cruz Mountains. U.S. Route 101 and Interstate 280 provide major transportation routes connecting Belmont to surrounding communities across the San Francisco Bay Area.

Attractions and Recreation

Belmont offers parks, cultural landmarks, and outdoor recreation areas that support tourism and community activities. Popular destinations include Twin Pines Park, the historic Ralston Hall Mansion, and Water Dog Lake Park with hiking and biking trails. The city hosts art events, community festivals, and seasonal programs throughout the year.

Transportation

Belmont is served by U.S. Route 101 and Interstate 280, offering convenient highway access throughout San Mateo County and the San Francisco Bay Area. Public transportation includes Caltrain commuter rail and regional bus services connecting the city to surrounding communities. The nearest major airport is San Francisco International Airport, located approximately 12 miles to the north.

Explore more cities in California or visit the United States Map section to learn more about the country’s geography.

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the Official Belmont City Website.

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Belmont City Facts

CityBelmont
StateCalifornia
CountySan Mateo County
CountryUnited States
RegionSan Francisco Bay Area - Peninsula
IncorporatedOctober 29, 1926
Founded1850s settlement
Total AreaApproximately 4.6 sq mi (11.9 km2)
Land AreaApproximately 4.6 sq mi (11.9 km2)
ElevationApproximately 102 ft (31 m)
Population (2023 estimate)Approximately 29,000+
Population (2020 Census)28,335
Population DensityApproximately 6,200 people per sq mi
Time ZonePacific Time (UTC-8 / UTC-7 DST)
ZIP Codes94002
Area Code650
Major HighwaysU.S. Route 101, Interstate 280
Public TransitCaltrain, SamTrans Bus
Major AttractionsWaterdog Lake Park, Twin Pines Park, Notre Dame de Namur University
Official Websitehttps://www.belmont.gov/

Distance from Belmont City, CA to Nearby Cities

  • San Carlos, CA – 2 miles (3 km)
  • San Mateo, CA – 4 miles (6 km)
  • Redwood City, CA – 5 miles (8 km)
  • Foster City, CA – 5 miles (8 km)
  • Burlingame, CA – 7 miles (11 km)
  • Millbrae, CA – 9 miles (14 km)
  • San Bruno, CA – 11 miles (18 km)
  • Menlo Park, CA – 10 miles (16 km)
  • Palo Alto, CA – 12 miles (19 km)
  • Mountain View, CA – 18 miles (29 km)
  • Sunnyvale, CA – 20 miles (32 km)
  • Santa Clara, CA – 25 miles (40 km)
  • San Jose, CA – 28 miles (45 km)
  • Daly City, CA – 15 miles (24 km)
  • San Francisco, CA – 20 miles (32 km)
  • Oakland, CA – 25 miles (40 km)
  • Berkeley, CA – 30 miles (48 km)
  • Hayward, CA – 22 miles (35 km)
  • Fremont, CA – 25 miles (40 km)
  • Union City, CA – 24 miles (39 km)

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