Belmont vs San Carlos

A side-by-side comparison of Belmont and San Carlos: population, income, housing, and more.

Belmont and San Carlos are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

San Carlos has the higher population (29,797 vs 27,505 in Belmont). San Carlos has the higher median household income ($233,333 vs $207,609 in Belmont). Both have a median home value of $2,000,001.

Population, income & housing

	Belmont	San Carlos
Population	27,505	29,797
Median age	40.4 yrs	41.6 yrs
Median household income	$207,609	$233,333
Median home value	$2,000,001	$2,000,001
Median gross rent	$2,894	$2,802
Housing units	11,227	11,679
Homeownership rate	56.0%	68.2%
Bachelor's degree or higher	68.9%	68.1%
Unemployment rate	6.7%	4.6%

Trends (ACS 5-year, 2019–2023)

	Belmont	San Carlos
Population	27,097 → 27,505 (+1.5%)	30,154 → 29,797 (-1.2%)
Median household income	$156,052 → $207,609 (+33.0%)	$182,083 → $233,333 (+28.1%)
Median home value	$1,527,500 → $2,000,001 (+30.9%)	$1,625,700 → $2,000,001 (+23.0%)
Median gross rent	$2,342 → $2,894 (+23.6%)	$2,321 → $2,802 (+20.7%)

Belmont

Population

27,09727,505

Median household income

$156,052$207,609

Median home value

$1,527,500$2,000,001

Median gross rent

$2,342$2,894

San Carlos

Population

30,15429,797

Median household income

$182,083$233,333

Median home value

$1,625,700$2,000,001

Median gross rent

$2,321$2,802

Age & race/ethnicity

Age distribution (share)

	Belmont	San Carlos
Under 5	5.1%	5.3%
5 to 17	18.3%	18.6%
18 to 24	5.1%	5.2%
25 to 34	13.2%	9.8%
35 to 44	16.4%	16.3%
45 to 54	15.4%	14.8%
55 to 64	12.6%	13.6%
65 to 74	7.5%	9.6%
75 and over	6.4%	6.9%

Race & ethnicity (share)

	Belmont	San Carlos
White (non-Hispanic)	46.2%	57.3%
Black or African American	1.5%	0.8%
American Indian & Alaska Native	0.2%	0.1%
Asian	29.4%	21.8%
Native Hawaiian & Pacific Islander	1.0%	0.8%
Some other race	1.2%	1.3%
Two or more races	6.5%	7.2%
Hispanic or Latino	14.0%	10.7%

Educational attainment (age 25+)

Share of adults 25+

	Belmont	San Carlos
No high school diploma	4.0%	3.3%
High school graduate	7.9%	7.7%
Some college or associate's	19.2%	20.9%
Bachelor's degree	35.1%	30.4%
Graduate or professional degree	33.9%	37.7%

Commute to work

How workers get to work (share)

	Belmont	San Carlos
Drove alone	54.6%	54.1%
Carpooled	5.9%	4.0%
Public transit	4.4%	3.7%
Walked	2.4%	1.5%
Bicycle	0.5%	1.8%
Worked from home	31.0%	32.5%
Other means	1.1%	2.4%

Housing

Units in structure (share)

	Belmont	San Carlos
1-unit, detached	53.7%	66.9%
1-unit, attached	4.8%	4.8%
2 to 4 units	3.3%	3.8%
5 to 19 units	16.3%	15.8%
20 or more units	21.8%	8.7%
Mobile home & other	0.0%	0.0%

Poverty & households

	Belmont	San Carlos
Poverty rate	6.5%	3.2%
Average household size	2.54	2.68
Mean commute (minutes)	29	25
Median year structure built	1966	1961