San Mateo County Summary

Life in San Mateo County research summary. HomeSnacks has been researching the quality of life in San Mateo County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in San Mateo County:

  • The population in San Mateo County is 754,250.

  • The median home value in San Mateo County is $1,509,337.

  • The median income in San Mateo County is $149,907.

  • The median rent in San Mateo County is $2,805.

  • The unemployment rate in San Mateo County is 4.5%.

  • The poverty rate in San Mateo County is 6.4%.

  • The average high in San Mateo County is 64.1° and there are 54.7 inches of rainfall annually.

Cities & Towns in San Mateo County

List Of Cities & Towns in San Mateo County

San Mateo, CA Population 104,165

Daly City, CA Population 103,648

Redwood City, CA Population 83,077

South San Francisco, CA Population 65,596

San Bruno, CA Population 43,218

Pacifica, CA Population 38,048

Menlo Park, CA Population 33,324

Foster City, CA Population 33,215

Burlingame, CA Population 30,995

San Carlos, CA Population 30,490

East Palo Alto, CA Population 29,520

Belmont, CA Population 27,820

Millbrae, CA Population 22,825

North Fair Oaks, CA Population 13,718

Half Moon Bay, CA Population 11,633

Hillsborough, CA Population 11,258

Atherton, CA Population 7,124

El Granada, CA Population 5,651

Woodside, CA Population 5,256

Brisbane, CA Population 4,756

Emerald Lake Hills, CA Population 4,425

Broadmoor, CA Population 4,419

Portola Valley, CA Population 4,397

West Menlo Park, CA Population 3,401

Moss Beach, CA Population 3,165

Montara, CA Population 2,649

Ladera, CA Population 1,427

La Honda, CA Population 1,422

Colma, CA Population 1,376

Pescadero, CA Population 349

Loma Mar, CA Population 112

Highlands-Baywood Park, CA Population 0

Map Of San Mateo County

San Mateo County, CA Weather

  • The average high in San Mateo County is 64.1°.

  • There are 99.41 nice days each year.

  • Expect an average of 54.7 inches of rain each year with 0.0 inches of snow.

  • There is an average of 6:14 hours of sun each day in San Mateo County.

StatSan Mateo County
Mean High64.1
Nice Days99.41
Rainfall54.7
Snowfall0.0
Sunny_hours6:14
64.1°
Average High
54.7
Inches of Rain

San Mateo County Photos

Holbrook Palmer Park Atherton California
Source: Public Domain
Sf From Marin Highlands
Source: Public Domain
Watkins Cartan Housec  Alejandra Ave
Source: Wikipedia User Sanfranman59 | GFDL
Eric Schmidt At The Th G Summit In Deauville
Source: Wikipedia User Guillaume Paumier | CC BY 3.0
Belmont Caltrain Station
Source: Wikipedia User Constantine Kulikovsky | CC BY-SA 2.0
Sf From Marin Highlands
Source: Public Domain

San Mateo County Demographics

Population over time in San Mateo County

The current population in San Mateo County is 754,250. The population has decreased -0.6% from 2019.

Year Population % Change
2022 762,488 -0.4%
2021 765,623 -0.2%
2020 767,423 -

Gender in San Mateo County

  • San Mateo County is 50.1% female with 377,708 female residents.

  • San Mateo County is 49.9% male with 376,542 male residents.

Female
50.1% (377,708)
Male
49.9% (376,542)
Gender San Mateo County CA USA
Female 50.1% 49.9% 50.4%
Male 49.9% 50.1% 49.6%

Race / Ethnicity in San Mateo County

San Mateo County is:

  • 37.0% White with 279,215 White residents.

  • 2.1% African American with 16,015 African American residents.

  • 0.1% American Indian with 976 American Indian residents.

  • 30.3% Asian with 228,200 Asian residents.

  • 1.2% Hawaiian with 8,827 Hawaiian residents.

  • 0.8% Other with 5,878 Other residents.

  • 4.6% Two Or More with 34,746 Two Or More residents.

  • 23.9% Hispanic with 180,393 Hispanic residents.

White
37.0% (279,215)
African American
2.1% (16,015)
American Indian
0.1% (976)
Asian
30.3% (228,200)
Hawaiian
1.2% (8,827)
Other
0.8% (5,878)
Two Or More
4.6% (34,746)
Hispanic
23.9% (180,393)

Table: San Mateo County By Race

Race San Mateo County CA USA
White 37.0% 35.2% 58.9%
African American 2.1% 5.3% 12.1%
American Indian 0.1% 0.3% 0.6%
Asian 30.3% 14.9% 5.7%
Hawaiian 1.2% 0.3% 0.2%
Other 0.8% 0.4% 0.4%
Two Or More 4.6% 3.8% 3.5%
Hispanic 23.9% 39.7% 18.7%

Household Income For San Mateo County, California

  • 2.6% of households in San Mateo County earn Less than $10,000.

  • 1.7% of households in San Mateo County earn $10,000 to $14,999.

  • 3.1% of households in San Mateo County earn $15,000 to $24,999.

  • 3.3% of households in San Mateo County earn $25,000 to $34,999.

  • 5.5% of households in San Mateo County earn $35,000 to $49,999.

  • 9.2% of households in San Mateo County earn $50,000 to $74,999.

  • 8.6% of households in San Mateo County earn $75,000 to $99,999.

  • 16.0% of households in San Mateo County earn $100,000 to $149,999.

  • 12.8% of households in San Mateo County earn $150,000 to $199,999.

  • 37.1% of households in San Mateo County earn $200,000 or more.

Less than $10,000
2.6% (19,774)
$10,000 to $14,999
1.7% (12,738)
$15,000 to $24,999
3.1% (23,413)
$25,000 to $34,999
3.3% (25,187)
$35,000 to $49,999
5.5% (41,550)
$50,000 to $74,999
9.2% (69,297)
$75,000 to $99,999
8.6% (64,657)
$100,000 to $149,999
16.0% (120,718)
$150,000 to $199,999
12.8% (96,891)
$200,000 or more
37.1% (280,021)
Income San Mateo County CA USA
Less than $10,000 2.6% 4.4% 4.9%
$10,000 to $14,999 1.7% 3.2% 3.8%
$15,000 to $24,999 3.1% 5.6% 7.0%
$25,000 to $34,999 3.3% 6.0% 7.4%
$35,000 to $49,999 5.5% 8.7% 10.7%
$50,000 to $74,999 9.2% 13.7% 16.1%
$75,000 to $99,999 8.6% 12.0% 12.8%
$100,000 to $149,999 16.0% 17.8% 17.1%
$150,000 to $199,999 12.8% 10.7% 8.8%
$200,000 or more 37.1% 17.9% 11.4%

Highest level of educational attainment in San Mateo County for adults over 25

  • 5.0% of adults in San Mateo County completed < 9th grade.

  • 4.0% of adults in San Mateo County completed 9-12th grade.

  • 15.0% of adults in San Mateo County completed high school / ged.

  • 16.0% of adults in San Mateo County completed some college.

  • 7.0% of adults in San Mateo County completed associate's degree.

  • 29.0% of adults in San Mateo County completed bachelor's degree.

  • 15.0% of adults in San Mateo County completed master's degree.

  • 4.0% of adults in San Mateo County completed professional degree.

  • 5.0% of adults in San Mateo County completed doctorate degree.

< 9th Grade
5% (37,712)
9-12th Grade
4% (30,170)
High School / GED
15% (113,137)
Some College
16% (120,680)
Associate's Degree
7% (52,797)
Bachelor's Degree
28% (218,732)
Master's Degree
15% (113,137)
Professional Degree
4% (30,170)
Doctorate Degree
5% (37,712)
Education San Mateo County CA USA
< 9th Grade 5% 8% 3%
9-12th Grade 4% 7% 6%
High School / GED 15% 20% 26%
Some College 16% 20% 20%
Associate's Degree 7% 8% 9%
Bachelor's Degree 28% 22% 21%
Master's Degree 15% 9% 10%
Professional Degree 4% 3% 2%
Doctorate Degree 5% 2% 2%

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