Hillsborough is an incorporated town in San Mateo
County, California, in the San Francisco Bay Area.
Hillsborough is one of the wealthiest
places in America and has the highest income of places in America
with populations of at least 10,000. It is located
seventeen miles (27 km) south of San Francisco on the San
Francisco Peninsula, between Interstate 280 and SR 82 (El Camino Real).
population was 10,825 at the 2000 census
. The town is served by
Hillsborough City School District. Hillsborough is home to some of
the Bay Area's wealthiest people, and the landscape is dominated by
large homes; the city enforces a minimum house size and half-acre
minimum lot size to preserve exclusivity. 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, with which it shares ZIP code 94010.
2007, Coldwell Banker
Hillsborough as the most expensive housing market in the United
States, with a median home price of over $3.8 million.
Hillsborough is located on the Rancho San
Mateo Mexican land
grant which was purchased by William Davis Merry Howard, son
of a wealthy Hillsboro, New Hampshire shipping magnate, in 1846.
his family in this area, which attracted wealthy San Franciscans.
In 1910, Hillsborough residents voted to incorporate.
Geography and environment
Hillsborough is located at .
According to the United
States Census Bureau
, the town has a total area of
6.2 square miles (16.1 km²), all of it land. The area's
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.
two prominent streams that drain the mostly wooded slopes of
Hillsborough: San Mateo
Creek and Cherry
In both cases the upper watersheds are closed
canopy California oak
, with dominant trees of Coast Live Oak
, Pacific Madrone
and California Bay
The upper drainage area of San Mateo Creek in Hillsborough contains
significant serpentine outcrops
, which are known habitats for several
species including the San Mateo Woolly Sunflower
common plants include Toyon
. Commonly observed mammals include
California Mule Deer
Hillsborough is bordered to the west by
Interstate 280, and to
the south by Crystal Springs Road which runs along San Mateo Creek.
borders Hillsborough to the south across San
As of the census
of 2000, there were 10,825
people, 3,689 households, and 3,161 families residing in the town.
The population density
1,738.7 people per square mile (670.9/km²). There were 3,804
housing units at an average density of 611.0/sq mi
(235.8/km²). The racial makeup of the town was 71.80% White
, 24.04% Asian
, 2.67% from two or more races,
0.70% from other races
, 0.23% Pacific Islander
, and 0.06%
of any race were 2.81% of the
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
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.
- According to The Best Places to Live 2007 in Money Magazine, Hillsborough's $263,456
median household income is the highest in the country. The median
family income is $370,945/year, and the average resident spends
$11,023 per year on vacations.
- As of the year 2000, Hillsborough was the highest income
place in the United States among cities with a population of
10,000 or more.
- As of the May 1998 issue, Hillsborough ranked #6 in Worth
Magazine's "250 Richest Towns In America".
In the state
Hillsborough is located in the 8th Senate
District, represented by
Democrat Leland Yee
, and in the 19th Assembly
District, represented by
Democrat Gene Mullin
Hillsborough is located in California's 12th
, which has a Cook PVI
of D +22 and is
currently represented by Democrat Jackie
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
- The Nueva School, a nationally
recognized independent school serving gifted and talented
- Crocker Middle School, a public middle school, located on Ralston Avenue,
named after William H. Crocker.
- West Elementary School, a
public elementary school, located on Barbara Way.
- South Elementary School,
a public elementary, at 303 El Cerrito.
- North Elementary School,
a public elementary, at 545 Eucalyptus Avenue.
- The Bridge School, a school serving students with physical and
- Crystal Springs Uplands School, a college
preparatory middle and high school.
a residential suburb of San Francisco, Hillsborough has many mansions within the town's
borders dating from the early 20th century.
- Carolands — Built by Harriet Pullman Carolan, heiress to
the Pullman railway. At
65,000 ft² (6,000 m²), it is one of the largest
residences in the United States and is placed on the National
Register of Historic Places.
- Skyfarm — Built by William H. Crocker, namesake of Crocker middle
school, and grandson of Charles
Crocker of California's Big Four railroad
magnates. Designed by Arthur
Brown, Jr., and opened in 1930. Home since the 1960s to
The Nueva School.
- Uplands — Built by Templeton Crocker, as a gift to his
fiancée Helène Irwin, heiress to
Sugar family fortune. Designed by Willis
Polk; opened in 1912, with interior of 35,000 ft²
(3,250 m²). Home since the 1950s to Crystal
Springs Uplands School.
- Western White House — Built by William Randolph Hearst and now
privately owned. It is structured very similarly to Hearst Castle.
Hillsborough, like most of the Bay Area has a moderate climate.
With December being the coolest month with an average high of 60
degrees, and September being the warmest month with an average high
of 73 degrees. Hillsborough has a Mediterranean climate (Köppen
climate classification Csa), with the majority of the precipitation
from the months of November to April, with oftentimes
0.0 inches precipitation from May to October. On average,
Hillsborough receives 20 inches of rain. However, it is
extremely rare to have an average year of rainfall, usually, there
are 3–5 years of 10-12 inches of rain, with one year which
receives 35+ inches of rain often with over 20 inches in 1
month, unlike most of the west coast, a light sprinkle is rare.
Much of the months precipitation in winter happens on just 5 days.
With mountains to the west of Hillsborough, it is blocked from much
of the rainfall over Half Moon Bay, and also is blocked from
virtually all the fog of the coast. Hillsborough receives 260 days
with nothing but sunshine, with 50 days of recordable precipitation
- Bing Crosby raised his second family
- The heiress and onetime kidnapping
victim Patty Hearst grew up in
- Rickey Henderson was a notable
- Barry Bonds lives in
- J.T Snow, an American baseball player,
lives in Hillsborough.
- Alicia Silverstone, actress,
attended Crocker Middle School and neighboring San Mateo High
- Brandon Herman, contemporary
artist, was born and raised in Hillsborough.
- Jenny Craig (born
Genevieve Guidroz in 1932 in Berwick, Louisiana), an American
weight loss guru and founder of Jenny Craig, Inc.
- Martin Yan, a famous Chinese chef,
and star of his cooking show "Yan Can Cook", lives with his family
- Countess Lillian Remillard
Dandini, a San Francisco brick heiress (whose personal fortune
derived from the re-building of San Francisco after the devastating
- William H. Crocker, founded and then later became
the president of Crocker National Bank. Crocker also chaired the
Panama-Pacific Exposition Committee and SE Community Chest, and was
a key member of the committee that built the San Francisco Opera
House and Veterans Building. Crocker was the founder of Crocker
- William Randolph Hearst
I, a leading newspaper publisher and son of self-made
millionaire George Hearst.
- Helène Irwin, heiress to the
C&H Sugar family fortune.
- Brigitte Lin, a Taiwanese
- Lucio Tan's son (also his business
partner) and family live in Hillsborough.
- Matt Sosnick,
agent profiled in Jerry Crasnick's
License to Deal.
- Ricky Henderson -Hall of Fame
former Major League Baseball Player
- Greg Maddux - Former Major League
Baseball Player owns a summer house in Hillborough
- Environmental Impact Report for the Hillsborough Highlands
Estates, Earth Metrics Report 7803, California State
Clearinghouse, November, 1989