All Countries
Belmont, CA
Full City Profile · California · San Mateo County County
3.0
/5.0
B
Good
27,505
Population
5,941/sq mi density
$207,609
Median Income
$98,669 per capita
$2,000,001
Home Value
$2,261,180 Zillow
$2,894
Median Rent
27.4% income on rent
59°F
Avg Temperature
330 sunny days/yr
165
Violent Crime/100K
1,437 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$207,609 median income, 4.6% unemployment
F
Affordability
1.2 / 5.0
$2,000,001 home value, $2,894/mo rent
F
Safety
1.0 / 5.0
165 violent crimes/100K
A+
Education
5.0 / 5.0
68.9% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+0.5%
26,806 → 26,927
over 10 years
Annual Pop. Growth
+0.05%
Compound annual growth rate
Median Income Change
+101.8%
$102,895 → $207,609
nominal, not inflation-adjusted
Annual Income Growth
+7.27%
Compound annual growth rate
Population Over Time
Total population for Belmont across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
27,021
+94 from 2023 (26,927)
Projected Median Income 2030
$339,308
+$131,699 from 2023 ($207,609)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 26,806 | — | $102,895 | — |
| 2015 | 27,207 | +1.5% | $109,631 | +6.5% |
| 2017 | 27,156 | -0.2% | $125,958 | +14.9% |
| 2019 | 26,829 | -1.2% | $156,052 | +23.9% |
| 2021 | 27,225 | +1.5% | $178,125 | +14.1% |
| 2023 | 26,927 | -1.1% | $207,609 | +16.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.