The San Francisco Peninsula is a peninsula in the San Francisco Bay Area that separates San Francisco Bay from the Pacific Ocean. On its northern tip is the City and County of San Francisco. Its southern base is Los Altos and Mountain View, in Santa Clara County, south of Palo Alto and north of Sunnyvale. Most of the Peninsula is occupied by San Mateo County, between San Francisco and Santa Clara counties, and including the cities and towns of Atherton, Belmont, Brisbane, Burlingame, Colma, Daly City, East Palo Alto, El Granada, Foster City, Half Moon Bay, Hillsborough, La Honda, Loma Mar, Los Altos, Los Altos Hills, Menlo Park, Millbrae, Mountain View, Pacifica, Palo Alto, Pescadero, Portola Valley, Redwood City, Redwood Shores, San Bruno, San Carlos, San Mateo, South San Francisco, West Menlo Park and Woodside.
San Mateo County, officially the County of San Mateo, is a county in the U.S. state of California. As of the 2020 census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.
Millbrae is a city located in northern San Mateo County, California, United States. To the northeast is San Francisco International Airport; San Bruno is to the northwest, and Burlingame is to the southeast. It is bordered by San Andreas Lake to the southwest. The population was 23,216 at the 2020 census.
San Bruno is a city in San Mateo County, California, United States, incorporated in 1914. The population was 43,908 at the 2020 United States Census. The city is between South San Francisco and Millbrae, adjacent to San Francisco International Airport and Golden Gate National Cemetery; it is approximately 12 miles (19 km) south of Downtown San Francisco.
San Mateo is the most populous city in the county of the same name, on the San Francisco Peninsula. About 20 miles (32 km) south of San Francisco, the city borders Burlingame to the north, Hillsborough to the west, San Francisco Bay and Foster City to the east and Belmont to the south. The population was 105,661 at the 2020 census.
Caltrain is a commuter rail line in California, serving the San Francisco Peninsula and Santa Clara Valley. The southern terminus is in San Jose at the Tamien station with weekday rush hour service running as far as Gilroy. The northern terminus of the line is in San Francisco at 4th and King Street. Caltrain has express, limited, and local services. There are 28 regular stops, one limited-service weekday-only stop, one weekend and holiday-only stop (Broadway), and one stop that is only served on football game days (Stanford). While average weekday ridership in 2019 exceeded 63,000, impacts of the COVID-19 pandemic have been significant: in June 2024, Caltrain had an average weekday ridership of 24,580 passengers.
Area code 650 is a telephone area code in the North American Numbering Plan (NANP) for the San Francisco Bay Area in the U.S. state of California. It was split from area code 415 on August 2, 1997, and includes most of San Mateo County, part of San Francisco, and the northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos.
SamTrans is a public transport agency in and around San Mateo, California, in the San Francisco Bay Area. It provides bus service throughout San Mateo County and into portions of San Francisco and Palo Alto. SamTrans also operates commuter shuttles to BART stations and community shuttles. Service is largely concentrated on the east side of the Santa Cruz Mountains, and, in the central county, I-280, leaving coast-side service south of Pacifica spotty and intermittent.
The San Mateo County Community College District is a community college system in California with three institutions: College of San Mateo in San Mateo, Cañada College in Redwood City, and Skyline College in San Bruno. The district serves more than 25,000 students each day with both day and evening classes.
California's 15th congressional district is a congressional district in the U.S. state of California. The district is currently represented by Democrat Kevin Mullin.
San Andreas Lake is a reservoir adjacent to the San Francisco Peninsula cities of Millbrae and San Bruno in San Mateo County, California. It is situated directly on the San Andreas Fault, which is named after the valley it is in.
The San Mateo Union High School District (SMUHSD) is a high school district headquartered in San Mateo, California that serves most of San Mateo County. The district serves the cities of San Mateo, Foster City, Hillsborough, San Bruno, Millbrae, and Burlingame.
California's 13th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Josh Becker of Menlo Park.
One of the six Boy Scouts of America councils that serves the San Francisco Bay area, the Pacific Skyline Council was founded in 1940 as the Stanford Area Council (#031). In 1994, the Stanford Area Council merged with the San Mateo County Council (#020) to form the current council which serves youth in San Mateo County and northern Santa Clara county.
Junipero Serra Boulevard is a major boulevard in and south of San Francisco named after Franciscan friar Junipero Serra. Within the city, it forms part of the route of State Route 1, the shortest connection between Interstate 280 and the Golden Gate Bridge. The remainder, in San Mateo County, was bypassed or replaced by I-280, the Junipero Serra Freeway. The boulevard was one of several new roads built along the San Francisco Peninsula before the age of freeways, and became a state highway known as Route 237 in 1956, receiving the State Route 117 designation in the 1964 renumbering, only to be deleted from the state highway system the next year. Two other regional highways—Bayshore Highway and Skyline Boulevard—were also upgraded into or bypassed by freeways.
The San Mateo County Board of Supervisors is the five-member elected body that supervises the operation of San Mateo County, California. Board members represent one of five districts of roughly equal population within the county, elected, since a 2012 charter change, only by voters in their own district. The current board members are Dave Pine, Noelia Corzo, Ray Mueller, Warren Slocum, and David Canepa.
Peninsula Athletic League (PAL) is a high school athletic conference in California, part of the CIF Central Coast Section of the California Interscholastic Federation. It comprises 17 high schools generally around San Mateo County, California. There are also nine smaller schools, designated supplemental members, of which four are located in Santa Clara County. The seventeen sports offered are divided into different divisions depending on the strength of the school's program.
The 2024 San Mateo County elections are scheduled to be held on November 5, 2024, in San Mateo County, California, with nonpartisan blanket primary elections for certain offices being held on March 5. Three of the five seats of the Board of Supervisors are up for election.
