| Town of Hillsborough | |
|---|---|
| — Town — | |
| Location in San Mateo County and the state of California | |
| Coordinates: | |
| Country | United States |
| State | California |
| County | San Mateo |
| Incorporated (town) | 1910 |
| Area[1] | |
| • Total | 6.190 sq mi (16.031 km2) |
| • Land | 6.190 sq mi (16.031 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 322 ft (98 m) |
| Population (2010) | |
| • Total | 10,825 |
| • Density | 1,748.8/sq mi (675.3/km2) |
| Time zone | PST (UTC-8) |
| • Summer (DST) | PDT (UTC-7) |
| ZIP code | 94010 |
| Area code(s) | 650 |
| FIPS code | 06-33798 |
| GNIS feature ID | 1659735 |
Hillsborough is an incorporated town in San Mateo County, California, in the San Francisco Bay Area. Hillsborough is one of the wealthiest communities in America and has the highest income of places in the United States with populations of at least 10,000. It is located 17 miles (27 km) south of San Francisco on the San Francisco Peninsula, bordered by Burlingame to the north, San Mateo to the east, Highlands-Baywood Park to the south, and Interstate 280 to the west. The population was 10,825 at the 2010 census. The town is served by Hillsborough City School District. Hillsborough's landscape is dominated by large homes; the city enforces a 2,500-square-foot (230 m2) minimum house size and minimum lot size of 0.5 acres (2,000 m2) to preserve exclusivity.[2] As a result, there are no apartments, condominiums or townhouses in the city limits; however, it is not unusual for the homes along the eastern edge of Hillsborough to face condominiums in neighboring Burlingame, sharing the ZIP code 94010. Hillsborough has a median home price of over $3.8 million.
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Hillsborough is located on the Rancho San Mateo Mexican land grant which was purchased by William Davis Merry Howard, son of a wealthy Hillsborough, New Hampshire shipping magnate, in 1846. Howard settled his family in this area, which attracted wealthy San Franciscans. Hillsborough is near Burlingame. In 1910, Hillsborough residents voted to incorporate.[3]
Hillsborough is located at .[4]
According to the United States Census Bureau, the town has a total area of 6.2 square miles (16 km2), all of it land. The area's hilly topography and lack of use of a grid layout for roads make navigation by outsiders notoriously difficult. The area of Crystal Springs Road is one of the most difficult to navigate.
There are two prominent streams that drain the mostly wooded slopes of Hillsborough: San Mateo Creek and Cherry Creek. In both cases the upper watersheds are closed canopy California oak woodlands, with dominant trees of Coast Live Oak, Pacific Madrone and California Bay.
The upper drainage area of San Mateo Creek in Hillsborough contains significant serpentinite outcrops, which are known habitats for several rare plant species including the San Mateo Woolly Sunflower.[5] Other common plants include Toyon, gooseberry, lupine, monkeyflower and coffeeberry. Commonly observed mammals include California Mule Deer, raccoon, opossum and skunk.
Hillsborough is bordered by Burlingame to the north, San Mateo to the east, Highlands-Baywood Park to the south, and Interstate 280 to the west.
The 2010 United States Census[6] reported that Hillsborough had a population of 10,825. The population density was 1,748.9 people per square mile (675.3/km²). The racial makeup of Hillsborough was 7,178 (66.3%) White, 42 (0.4%) African American, 7 (0.1%) Native American, 3,044 (28.1%) Asian, 23 (0.2%) Pacific Islander, 109 (1.0%) from other races, and 422 (3.9%) from two or more races. Hispanic or Latino of any race were 373 persons (3.4%).
The Census reported that 10,825 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 3,693 households, out of which 1,445 (39.1%) had children under the age of 18 living in them, 2,804 (75.9%) were opposite-sex married couples living together, 220 (6.0%) had a female householder with no husband present, 114 (3.1%) had a male householder with no wife present. There were 66 (1.8%) unmarried opposite-sex partnerships, and 34 (0.9%) same-sex married couples or partnerships. 451 households (12.2%) were made up of individuals and 309 (8.4%) had someone living alone who was 65 years of age or older. The average household size was 2.93. There were 3,138 families (85.0% of all households); the average family size was 3.18.
The population was spread out with 2,877 people (26.6%) under the age of 18, 466 people (4.3%) aged 18 to 24, 1,600 people (14.8%) aged 25 to 44, 3,667 people (33.9%) aged 45 to 64, and 2,215 people (20.5%) who were 65 years of age or older. The median age was 47.5 years. For every 100 females there were 94.8 males. For every 100 females age 18 and over, there were 91.9 males.
There were 3,912 housing units at an average density of 632.0 per square mile (244.0/km²), of which 3,490 (94.5%) were owner-occupied, and 203 (5.5%) were occupied by renters. The homeowner vacancy rate was 1.3%; the rental vacancy rate was 4.2%. 10,206 people (94.3% of the population) lived in owner-occupied housing units and 619 people (5.7%) lived in rental housing units.
As of the census[7] of 2000, there were 10,825 people, 3,689 households, and 3,161 families residing in the town. The population density was 1,738.7 people per square mile (670.9/km²). There were 3,804 housing units at an average density of 611.0 per square mile (235.8/km²).
There were 3,689 households out of which 36.3% had children under the age of 18 living with them, 78.6% were married couples living together, 4.9% had a female householder with no husband present, and 14.3% were non-families. 11.1% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.14.
In the town the population was spread out with 25.1% under the age of 18, 4.4% from 18 to 24, 19.7% from 25 to 44, 32.2% from 45 to 64, and 18.6% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 94.6 males. For every 100 females age 18 and over, there were 91.6 males.
The median income for a household in the town was $193,157, and the median income for a family was $200,000. Full-time male workers have a median income of $100,000+ versus $55,882 for full-time female workers. The per capita income for the town was $98,643. About 1.8% of families and 2.8% of the population were below the poverty line, including 2.7% of those under age 18 and 0.8% of those age 65 or over.
In the state legislature Hillsborough is located in the 8th Senate District, represented by Democrat Leland Yee, and in the 19th Assembly District, represented by Democrat Jerry Hill. Federally, Hillsborough is located in California's 12th congressional district, which has a Cook PVI of D +22[9] and is currently represented by Democrat Jackie Speier. However, of the town's 6,849 registered voters, 42% are registered as Republicans, 32% as Democrats, 2% to other parties and the rest declined to state.[10]
Hillsborough has its own public elementary and middle school system, but no public high school. The town is also home to a small number of independent schools.
Primarily a residential suburb of San Francisco, Hillsborough has many mansions within the town's borders dating from the early 20th century.
December is the coolest month with an average high of 60 degrees, and September is the warmest month with an average high of 78 degrees. Hillsborough has a Mediterranean climate (Köppen climate classification Csa), with the vast majority of the precipitation from the months of November to April. On average, Hillsborough receives 17 inches (430 mm) of rain. With coastal mountains to the west of Hillsborough, it is blocked in the winter from much of the rainfall over Half Moon Bay, and in the summer it is blocked from virtually all the fog of the coast. Hillsborough receives an average of 307 days of sunshine annually, with 52 days of recordable precipitation per year.
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