San Mateo

Population: 103,555
Median household income: $152,669
Median home value: $1,563,200

San Mateo is a community in San Mateo County, California, home to 103,555 residents. Its median household income of $152,669 runs in line with the San Mateo County figure of $156,000.

From 2019 to 2023, San Mateo's population held roughly steady from 104,333 to 103,555, while its median home value rose 42.3% from $1,098,400 to $1,563,200.

The largest age group is 25 to 34, 17.2% of residents. White (non-Hispanic) residents are the largest group, 36.7% of the population.

Demographics

ACS 2019–2023

Population: 103,555
Median age: 38.0 yrs
Median household income: $152,669
Median home value: $1,563,200
Median gross rent: $3,079
Housing units: 42,431
Homeownership rate: 50.8%
Bachelor's degree or higher: 57.6%
Unemployment rate: 4.3%

Trends

ACS 5-year · 2019–2023

Population

104,333103,555

Median household income

$124,842$152,669

Median home value

$1,098,400$1,563,200

Median gross rent

$2,475$3,079

Year	Population	Median household income	Median home value	Median gross rent
2019	104,333	$124,842	$1,098,400	$2,475
2020	103,619	$126,102	$1,186,400	$2,658
2021	105,087	$133,612	$1,283,900	$2,770
2022	104,165	$149,152	$1,508,900	$2,971
2023	103,555	$152,669	$1,563,200	$3,079

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.0%

5 to 1713.7%

18 to 247.2%

25 to 3417.2%

35 to 4415.1%

45 to 5412.8%

55 to 6411.7%

65 to 748.6%

75 and over7.8%

	Count	Share
Under 5	6,173	6.0%
5 to 17	14,230	13.7%
18 to 24	7,409	7.2%
25 to 34	17,841	17.2%
35 to 44	15,637	15.1%
45 to 54	13,217	12.8%
55 to 64	12,093	11.7%
65 to 74	8,917	8.6%
75 and over	8,038	7.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	37,988	36.7%
Black or African American	1,539	1.5%
American Indian & Alaska Native	190	0.2%
Asian	27,745	26.8%
Native Hawaiian & Pacific Islander	1,639	1.6%
Some other race	996	1.0%
Two or more races	5,737	5.5%
Hispanic or Latino (any race)	27,721	26.8%

Educational attainment (age 25+)

No high school diploma9.8%

High school graduate12.2%

Some college or associate's20.4%

Bachelor's degree31.4%

Graduate or professional degree26.2%

	Count	Share
No high school diploma	7,422	9.8%
High school graduate	9,247	12.2%
Some college or associate's	15,472	20.4%
Bachelor's degree	23,768	31.4%
Graduate or professional degree	19,834	26.2%

Commute to work

Mean travel time to work: 27 min

Drove alone58.5%

Carpooled6.9%

Public transit6.1%

Walked2.9%

Bicycle0.7%

Worked from home22.3%

Other means2.6%

How workers get to work

	Count	Share
Drove alone	32,615	58.5%
Carpooled	3,839	6.9%
Public transit	3,419	6.1%
Walked	1,632	2.9%
Bicycle	399	0.7%
Worked from home	12,421	22.3%
Other means	1,429	2.6%

Travel time

	Count	Share
Under 15 min	9,780	22.6%
15 to 29 min	15,353	35.4%
30 to 44 min	10,189	23.5%
45 to 59 min	4,205	9.7%
60+ min	3,806	8.8%

Households

Average household size: 2.56
Poverty rate: 7.9% (8,152 of 102,665)

	Count	Share
Family households	24,677	62.1%
Nonfamily households	15,083	37.9%

Housing

Median year structure built: 1964

Occupancy

	Count	Share
Occupied	39,760	93.7%
Vacant	2,671	6.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	20,211	50.8%
Renter-occupied	19,549	49.2%

1-unit, detached41.2%

1-unit, attached9.8%

2 to 4 units6.7%

5 to 19 units15.8%

20 or more units26.1%

Mobile home & other0.3%

Units in structure

	Count	Share
1-unit, detached	17,480	41.2%
1-unit, attached	4,157	9.8%
2 to 4 units	2,858	6.7%
5 to 19 units	6,711	15.8%
20 or more units	11,089	26.1%
Mobile home & other	136	0.3%

Geography

Place GEOID: 0668252
Type (LSAD): 25
Land area: 12 sq mi
Water area: 3.72 sq mi
Center point: 37.5603, -122.3106