County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.
Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).
Quick Facts — San Mateo County
- What is the median household income in San Mateo County?
- The median household income in San Mateo County is $103,125 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in San Mateo County?
- The poverty rate in San Mateo County is 0.0% (U.S. Census Bureau ACS 2023).
- What is the median home value in San Mateo County?
- $270,300 (U.S. Census Bureau ACS 2023).
- What is the average rent in San Mateo County?
- The median gross rent in San Mateo County is $1,213 per month (U.S. Census Bureau ACS 2023).
- What percentage of San Mateo County residents have a college degree?
- 39.6% of adults in San Mateo County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
1,607
Median Income
$103,125
Median Home Value
$270,300
Poverty Rate
0.0%
Unemployment (ACS 2023)
14.3%
Median Age
40.0 yrs
Since 2019
Median Income:
+$32,076 (+45.1%)
Home Value:
+$68,300 (+33.8%)
Poverty Rate:
-3.0 pp (-100%)
Bachelor's+:
+4.2 pp (+11.9%)
Unemployment:
+6.5 pp (+83.3%)
Demographics
Total Population
1,607
Median Age
40.0
Female
39.0%
Race & Ethnicity
Hispanic or Latino 6.5%
White (non-Hisp.) 80.5%
Asian 8.5%
Two or More 6.6%
Other 0.9%
Asian Subgroups (% of total pop.)
Indian
8.0%
Chinese
0.4%
Hispanic Subgroups (% of total pop.)
Puerto Rican
2.0%
Mexican
0.9%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$103,125
±$20,503
+$6,791 vs. state
Per Capita Income
$107,709
Median Family Income
$136,622
Poverty Rate
0.0%
-8.4 pp vs. state
Child Poverty Rate
0.0%
Working-Age Poverty Rate
—
SNAP Recipients
1.5%
Social Security Income
—
Retirement Income
19.3%
Household Income Distribution
< $10k
5.1%
$15–25k
1.5%
$25–35k
7.7%
$35–50k
10.4%
$50–75k
2.6%
$75–100k
17.5%
$100–150k
33.4%
$150–200k
14.6%
$200k+
7.2%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
712
Owner-Occupied
61.5%
Renter-Occupied
38.5%
Vacancy Rate
8.4%
Median Home Value
$270,300
-$425,100 vs. state
Median Gross Rent
$1,213
Owner Cost Burden (30%+)
3.8%
Renter Cost Burden (30%+)
40.4%
Home Value Distribution
$200–300k
42.1%
$300–500k
25.7%
$500k–$1M
9.2%
Gross Rent Distribution
$500–1k
11.6%
$1–1.5k
72.9%
$1.5–2k
8.8%
$2–2.5k
3.2%
$2.5–3.5k
3.6%
Vehicle Availability
1 vehicle
50.5%
2 vehicles
32.1%
3+
17.5%
Housing Type
Single-fam. det.
48.3%
Single-fam. att.
8.0%
2–4 units
10.4%
5–19 units
4.2%
Housing Age
Pre-1940
22.2%
1940–1969
8.1%
1970–1999
7.0%
2000–2009
1.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
97.1%
Bachelor's or Higher
39.6%
+3.1 pp vs. state
Graduate Degree
17.3%
Some College / Associate
12.8%
Less Than High School
0.0%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
90.4%
Unemployment Rate
14.3%
+7.9 pp vs. state
Work from Home
10.8%
Self-Employed
2.4%
Government Workers
17.1%
Private For-Profit
80.5%
Industry
Edu/Health
22.2%
Arts/Entmt.
14.8%
Transportation
14.2%
Prof. Services
7.1%
Retail
6.6%
Construction
6.5%
Finance
4.9%
Public Admin
4.8%
Manufacturing
4.7%
Information
3.1%
Wholesale
2.8%
Occupation
Management
37.5%
Food Prep
24.9%
Sales
18.1%
Production
16.0%
Construction
3.5%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
20.4 min
Drove Alone
81.4%
Carpool
6.2%
Public Transit
1.6%
Work from Home
10.8%
Walked
0.0%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
652
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
36.7%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
19.6%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
2.1%
5–9
6.7%
10–14
4.2%
15–19
7.2%
20–24
1.6%
25–34
18.2%
35–44
14.6%
45–54
21.8%
55–64
11.7%
65–74
4.7%
75–84
5.5%
85+
1.2%
Under 18: 16.6%
Working age (18–64): 83.4%
65 and over: 7.3%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
7.8%
Naturalized Citizen
70.4%
Speaks English Less Than Very Well
2.5%
Foreign-Born Origin
Asia
55.2%
Europe
24.8%
Latin America
20.0%
Veterans & Disability
Veteran
9.6%
With a Disability
6.0%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
95.2%
Uninsured
4.8%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
91.1%
Has a Computer
97.2%
Same House 1 Year Ago
96.0%
Moved from Abroad
0.0%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Compare San Mateo County
Compare to another county →Where People Move From (IRS Migration Data)
Top origins of people who moved to San Mateo County in 2023, by number of tax returns filed (IRS SOI Migration Data).
| Origin | Tax Returns | People (est.) |
|---|---|---|
| San Francisco County | 4,514 | 7,071 |
| Santa Clara County | 3,879 | 5,845 |
| Alameda County | 2,026 | 3,205 |
| Los Angeles County | 977 | 1,347 |
| Contra Costa County | 839 | 1,317 |
| Other flows - South | 784 | 1,144 |
| Other flows - Northeast | 442 | 613 |
| San Diego County | 439 | 608 |
| Other flows - West | 411 | 604 |
| Other flows - Midwest | 376 | 531 |