Hillsborough, California Population 2024

10,808

Hillsborough is a city located in San Mateo County California. Hillsborough has a 2024 population of 10,808. Hillsborough is currently declining at a rate of -0.68% annually and its population has decreased by -4.84% since the most recent census, which recorded a population of 11,358 in 2020.

The average household income in Hillsborough is $539,950 with a poverty rate of 4%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Hillsborough is 46.5 years, 45 years for males, and 47.5 years for females.

Hillsborough Demographics

According to the most recent ACS, the racial composition of Hillsborough was:

  • White: 53.56%
  • Asian: 33.75%
  • Two or more races: 10.3%
  • Other race: 1.88%
  • Black or African American: 0.24%
  • Native Hawaiian or Pacific Islander: 0.17%
  • Native American: 0.09%
Land Area (mi²)
6.2 sq mi
Density (mi²)
1,746.0/sq mi
Growth Since 2020
-4.84% (-550)
The current population of Hillsborough, California is 10,808 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 11,358.

Hillsborough, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White6,03053.56%
Asian3,80033.75%
Two or more races1,16010.3%
Other race2121.88%
Black or African American270.24%
Native Hawaiian or Pacific Islander190.17%
Native American100.09%
showing: 7 rows

White

Asian

Two or more races

Other race

Black or African American

Native Hawaiian or Pacific Islander

Native American

Hillsborough Population by Race

Hillsborough Population Pyramid 2024

Hillsborough Median Age

46.5

Total

45

Male

47.5

Female

Hillsborough Adults

There are 8,156 adults, (2,263 of whom are seniors) in Hillsborough.

Hillsborough Age Dependency

91

Age Dependency Ratio

38.4

Old Age Dependency Ratio

52.6

Child Dependency Ratio

Hillsborough Sex Ratio

Female5,52049.03%
Male5,73850.97%

Hillsborough Population by Age

Hillsborough Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,4833.2393.86.2
Married2,8523.5195.44.6
Non Family3971.2485.414.6
Female1252.8980.819.2
Male1093.4996.33.7
showing: 5 rows

3.39

Average Family Size

3.23

Average Household Size

93.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Hillsborough Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Hillsborough Educational Attainment by Sex (over 25)

Hillsborough Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 84.82%.

Hillsborough Educational Attainment by Race

All

Male

Female

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$139,016

Average Earnings

$218,194

Average Male

$71,875

Average Female

Hillsborough Earnings by Educational Attainment

Hillsborough Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Hillsborough Language

64.83% of Hillsborough residents speak only English, while 35.17% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 20.92% of the population.

Hillsborough Language

Hillsborough Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Other21217783.49%
White5,7691302.25%
Asian3,8001253.29%
Islander191473.68%
Hispanic486112.26%
showing: 5 rows

4%

Overall Poverty Rate

2.63%

Male Poverty Rate

5.42%

Female Poverty Rate

Poverty in Hillsborough

The race most likely to be in poverty in Hillsborough is Other, with 83.49% below the poverty level.

The race least likely to be in poverty in Hillsborough is White, with 2.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.99%. Among those working part-time, it was 3.78%, and for those that did not work, the poverty rate was 6.31%.

Hillsborough Poverty

rate

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Rate
Poverty
Less Than 9th Grade15.45%
Bachelors or Greater3.98%
High School
Some College
showing: 4 rows

Hillsborough Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed19.35%
Female Employed5.11%
Male Employed
Female Unemployed
showing: 4 rows

Hillsborough Poverty Rate by Employment Status and Sex

Hillsborough Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Hillsborough Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

68.8%

Overall Marriage Rate

69.9%

Male Marriage Rate

67.8%

Female Marriage Rate

Hillsborough Married by Age and Sex

male

female

Hillsborough Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Hillsborough Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Hillsborough Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

233

Number of Veterans

228

Male Veterans

5

Female Veterans

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Hillsborough Veterans by War

count

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Hillsborough Veterans by Age

count

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Hillsborough Veterans by Race

Hillsborough Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

38.63%

Veteran Disability Rate

Hillsborough Veterans by Education

LaborForceParticipation

61.2%

Labor Force Participation

58%

Employment Rate

5.4%

Unemployment Rate

Hillsborough Employment by Age

LaborForceParticipation

Hillsborough Employment by Race

LaborForceParticipation

Hillsborough Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

53.93%

Born in Hillsborough

73.98%

Native Born

26.02%

Foreign Born

5.49%

Non Citizen

20.53%

Naturalized

Place of Birth

73.98% of Hillsborough residents were born in the United States, with 53.93% having been born in California. 5.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Hillsborough Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202910,438-74-0.7%
202810,512-74-0.7%
202710,586-74-0.69%
202610,660-74-0.69%
202510,734-74-0.68%
202410,808-74-0.68%
202310,882-74-0.68%
202210,956-74-0.67%
202111,030-328-2.89%
202011,358-226-1.95%
201911,584-51-0.44%
201811,635-11-0.09%
201711,646290.25%
201611,617570.49%
201511,5601381.21%
201411,4221491.32%
201311,2731511.36%
201211,1221781.63%
201110,9441411.31%
201010,803-22-0.2%
200010,8251581.48%
199010,6672952.84%
198010,3721,61918.5%
19708,7531,19915.87%
19607,5544,002112.67%
19503,55280529.3%
19402,74785645.27%
19301,891960103.11%
1920931
showing: 29 rows

Hillsborough Population by Year