San Mateo, California Population 2024

99,884
020K40K60K80K100K18801900192019401960198020002020YearPopulation

San Mateo Demographics

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

  • White: 41.24%
  • Asian: 27.06%
  • Other race: 13.9%
  • Two or more races: 13.33%
  • Native Hawaiian or Pacific Islander: 1.64%
  • Black or African American: 1.49%
  • Native American: 1.34%
Land Area (mi²)
12.1 sq mi
Density (mi²)
8,231.70/sq mi
Growth Since 2020
-5.46% (-5,772)
The current population of San Mateo, California is 99,884 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 105,656.

Population by Race

Race
Population
Percentage (of total)
White42,70741.24%
Asian28,02527.06%
Other race14,39213.9%
Two or more races13,80113.33%
Native Hawaiian or Pacific Islander1,7011.64%
Black or African American1,5391.49%
Native American1,3901.34%
41.24%27.06%13.9%13.33%Race

White

Asian

Other race

Two or more races

Native Hawaiian or Pacific Islander

Black or African American

Native American

San Mateo Population by Race

San Mateo Population Pyramid 2024

010203040506070806K5.5K5K4.5K4K3.5K3K2.5K2K1.5K1K500005001K1.5K2K2.5K3K3.5K4K4.5K5K5.5K6KMaleFemale

San Mateo Median Age

38

Total

36.3

Male

40.1

Female

San Mateo Adults

There are 83,152 adults, (16,955 of whom are seniors) in San Mateo.

San Mateo Age Dependency

56.4

Age Dependency Ratio

25.6

Old Age Dependency Ratio

30.8

Child Dependency Ratio

San Mateo Sex Ratio

Female52,17550.38%
Male51,38049.62%

San Mateo Population by Age

San Mateo Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All39,7602.5650.849.2
Married19,2023.256238
Non Family15,0831.3439.460.6
Female3,6563.5646.853.2
Male1,8193.393565

3.17

Average Family Size

2.56

Average Household Size

50.8%

Rate of Home Ownership

48.29%9.2%37.94%Households by Type

Married

Male

Female

NonFamily

MarriedAllFemaleNon FamilyMale00.10.20.30.40.50.60.70.80.91

owner

renter

San Mateo Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree02K4K6K8K10K12K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,4653.25%
Associates Degree5,2506.93%
Bachelors Degree23,76831.38%
Graduate Degree19,83426.19%
High School Graduate9,24712.21%
Less Than 9th Grade4,9576.54%
Some College10,22213.5%
6.54%12.21%13.5%6.93%31.38%26.19%Over 25 Education

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Mateo Educational Attainment by Sex (over 25)

San Mateo Educational Attainment by Race

WhiteAsianBlackIslander2+ RacesHispanicOther RaceNative American0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White30,83929,83319,265
Asian22,18121,11016,785
Hispanic16,87011,9124,284
Other Race8,7795,7991,876
2+ Races7,7256,6423,535
Black1,2491,187601
Islander1,2461,142367
Native American86850078

The highest rate of high school graduation is among white people with a rate of 96.74%.

The highest rate of bachelors degrees is among asian people with a rate of 75.67%.

San Mateo Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$50,000$100,000$150,000$200,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$112,802$138,272$93,946
Graduate Degree$154,444$181,645$127,730
High School Graduate$48,818$58,356$36,585
Less Than 9th Grade$30,864$36,130$21,264
Overall$92,841$109,188$81,374
Some College$61,377$74,477$51,988

$92,841

Average Earnings

$109,188

Average Male

$81,374

Average Female

San Mateo Earnings by Educational Attainment

San Mateo Language by Age

54.9%19.73%8.51%15.91%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Mateo Language

54.9% of San Mateo residents speak only English, while 45.1% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 19.73% of the population.

San Mateo Language

San Mateo Poverty by Race

BlackIslanderOtherHispanicMultipleWhiteAsianNative0%2%4%6%8%10%12%14%16%18%20%22%24%26%

rate

Name
Total
In Poverty
Poverty Rate
Hispanic27,2693,24911.91%
White37,7962,2375.92%
Other14,1212,17115.37%
Asian27,9421,3714.91%
Multiple13,7311,1248.19%
Islander1,70139223.05%
Black1,38635025.25%
Native1,357634.64%

7.94%

Overall Poverty Rate

6.92%

Male Poverty Rate

8.95%

Female Poverty Rate

Poverty in San Mateo

The race most likely to be in poverty in San Mateo is Black, with 25.25% below the poverty level.

The race least likely to be in poverty in San Mateo is Native, with 4.64% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.76%. Among those working part-time, it was 12.64%, and for those that did not work, the poverty rate was 17.6%.

San Mateo Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%2%4%6%8%10%12%14%16%18%20%22%

rate

Rate
Poverty
Less Than 9th Grade21.17%
High School11.86%
Some College8.19%
Bachelors or Greater3.35%

San Mateo Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%2%4%6%8%10%12%14%16%18%20%22%24%26%

rate

Rate
Poverty
Female Unemployed24.25%
Male Unemployed17.12%
Female Employed4.28%
Male Employed3.54%

San Mateo Poverty Rate by Employment Status and Sex

San Mateo Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k0102030405060

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$190,044$241,330
Households$152,669$204,984
Married Families$221,509$-999,999,999
Non Families$101,675$136,387
HouseholdsFamiliesMarried FamiliesNon Families050,000100,000150,000200,000250,000

mean

median

Income by Household Type

San Mateo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.5%

Overall Marriage Rate

51.9%

Male Marriage Rate

47.2%

Female Marriage Rate

San Mateo Married by Age and Sex

35-4445-5455-64Over 6520-3415-1901020304050607080

male

female

San Mateo 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 35-44.

San Mateo Marital Status by Race

AsianWhiteNonHispanicWhiteTwoOrMoreRacesHispanicOtherRaceHawaiianIndianBlack0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

San Mateo Marital Status

18.07%16.25%46.76%14.92%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,199

Number of Veterans

2,044

Male Veterans

155

Female Veterans

War
Veterans
Vietnam771
Second Gulf War298
First Gulf War268
Korea246
World War II66

San Mateo Veterans by War

18 to 3435 to 5455 to 6465 to 7475+01002003004005006007008009001,0001,100

count

Age Group
Veterans
75+1,019
55 to 64408
65 to 74356
35 to 54289
18 to 34127

San Mateo Veterans by Age

WhiteAsianHispanicOther RaceBlack2+ RacesIslanderNative American01002003004005006007008009001,0001,1001,2001,3001,400

count

Name
Veterans
% of Total
White1,3853.81%
Asian3581.51%
Hispanic2491.26%
Other Race1581.53%
Black13710.31%
2+ Races1141.28%
Islander251.74%
Native American222.22%

San Mateo Veterans by Race

San Mateo Veterans by Education

24.65%30.38%43.29%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.1%

Veteran Poverty Rate

25.16%

Veteran Disability Rate

San Mateo Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

69.5%

Labor Force Participation

66.6%

Employment Rate

4.3%

Unemployment Rate

San Mateo Employment by Age

Asian2+ RacesOther RaceHispanicWhiteWhite Non-HispanicNative AmericanBlackIslander01020304050607080

LaborForceParticipation

San Mateo Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

San Mateo Employment by Education

Origin of Non-Citizens

8.23%39.76%45.88%Origin

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

12.26%55.14%23.14%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

46.54%

Born in San Mateo

63.37%

Native Born

36.63%

Foreign Born

18.66%

Non Citizen

17.97%

Naturalized

Place of Birth

63.37% of San Mateo residents were born in the United States, with 46.54% having been born in California. 18.66% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

San Mateo Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202992,669-1,443-1.53%
202894,112-1,443-1.51%
202795,555-1,443-1.49%
202696,998-1,443-1.47%
202598,441-1,443-1.44%
202499,884-1,443-1.42%
2023101,327-240-0.24%
2022101,567-1,346-1.31%
2021102,913-2,743-2.6%
2020105,6562,1932.12%
2019103,463-767-0.74%
2018104,230540.05%
2017104,1762820.27%
2016103,8946220.6%
2015103,2721,4491.42%
2014101,8231,1661.16%
2013100,6571,1121.12%
201299,5451,3011.32%
201198,2449881.02%
201097,25600%
200092,4826,9968.18%
199085,4867,84610.11%
198077,640-1,351-1.71%
197078,9919,12113.05%
196069,87028,08867.23%
195041,78222,379115.34%
194019,4035,95944.32%
193013,4447,465124.85%
19205,9791,59536.38%
19104,3842,552139.3%
19001,83290096.57%
1880932-91,737-98.99%

San Mateo Population by Year