City safety & data profile

BelmontCA

Belmont, CA is a 27K-resident city in San Mateo County with a median household income of $205,297.

San Mateo County, California. Federal health, economic, and safety indicators for Belmont, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Belmont has a population larger than 59% of the 4,640 U.S. cities Areazine tracks, and a median home value of $2,000,000+.

Data updated 2026-07-18

27K
Population
Top 41%
By size
$205,297
Median income
$2,000,000+
Median home
6.9%
Poverty rate

The read on Belmont

Belmont posts a median household income higher than 98% of U.S. cities Areazine tracks.

Top 2%
by median income, US cities

Where Belmont income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$205,297 Top 2% higher than 98% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). Below this entry. $80,000–$100,000: 768 places Areazine profiles (20%). Below this entry. $100,000–$120,000: 515 places Areazine profiles (13%). Below this entry. $120,000–$140,000: 308 places Areazine profiles (8%). Below this entry. $140,000–$160,000: 171 places Areazine profiles (4%). Below this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Below this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Below this entry. $200,000–$220,000: 28 places Areazine profiles (1%). This entry sits in this band. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. CA $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Belmont, CA beyond the headline numbers

Belmont sits inside San Mateo County, California, at roughly 37.52°N, -122.28°W. Population 27,218, $205,297 median household income. Median home value $2,000,000+, median rent $2,875. Poverty rate 6.9%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Belmont's highest-prevalence health measure is high blood pressure at 27.2%, then short sleep duration at 26.6%.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Belmont from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
27,218
Belmont
Median Income
$205,297
+202% vs avg
Median Home Value
$2,000,000+
+778% vs avg
Median Age
39.8
years

10-Year Trends 2013–2024

County-level trend (San Mateo County) - Belmont's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

20132024
Population
742K+2%
Median Income
$158,855+80%
Median Home Value
$1,559,600+116%
Poverty Rate
6.7%-12%
Unemployment
4.8%-41%

Economics

Economics indicators for Belmont, CA
IndicatorValue
Median Rent
$2,875/mo
Poverty Rate
6.9% -51% vs avg
Unemployment 7.2%
Bachelor's Degree+ 69.7%
Work From Home 33.7%
Public Transit 4.7%

Population

White 48.6%
African American 2.7%
Asian 30.7%
Two or More Ethnicities 4.9%

Health Profile 15 measures

Health Indicators

High Blood Pressure
27.2%
Short Sleep Duration
26.6%
Obesity
21.3%
Physical Inactivity
16.2%
Binge Drinking
15.7%
Frequent Mental Distress
12.9%
Frequent Physical Distress
9.6%
Current Asthma
8.7%
Diabetes
8.6%
Current Smoking
6.9%

Preventive Care

Dental Visit 73.4%
Annual Checkup 71.8%

Other Measures

Coronary Heart Disease
4.6%
Lack of Health Insurance
4.3%
Stroke
2.3%

Frequently Asked Questions 5

What is the population of Belmont, CA? ▼
Belmont, CA has a population of 27,218 people, located in San Mateo County, California.
What is the median household income in Belmont? ▼
The median household income in Belmont, CA is $205,297 per year, per the U.S. Census ACS. The poverty rate is 6.9%.
What is the median home value in Belmont? ▼
The median home value in Belmont, CA is $2,000,000+. Median rent is $2,875/month.
What are the top health concerns in Belmont? ▼
The top health indicators in Belmont include High Blood Pressure (27.2%), Short Sleep Duration (26.6%), Obesity (21.3%). Data from CDC PLACES.
What is the median age in Belmont? ▼
The median age in Belmont, CA is 39.8 years. 69.7% of residents have a bachelor's degree or higher.

Safety Context

Belmont, CA is located in San Mateo County, California. With a population of 27K and a $205,297 median household income, the community faces health challenges including high blood pressure and short sleep duration. Safety alerts for the Belmont area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - California

Real-time AQI for every monitored California location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

San Carlos, CA 30K Redwood Shores, CA 11K Foster City, CA 33K Redwood City, CA 85K San Mateo, CA 104K North Fair Oaks, CA 15K Burlingame, CA 30K Menlo Park, CA 33K
All cities in California → Compare Belmont vs San Carlos → All comparisons → Browse all cities

Using Belmont's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Belmont area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Belmont against California peers on any ranking lens. Explore California

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (San Mateo County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.