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San Miguel CDP (Contra Costa County), CA
Full City Profile · California · San Mateo County County
3.4
/5.0
B
Good
3,991
Population
3,801/sq mi density
$224,219
Median Income
$106,023 per capita
$1,627,300
Home Value
$1,024,673 Zillow
$2,458
Median Rent
36.7% income on rent
62°F
Avg Temperature
330 sunny days/yr
110
Violent Crime/100K
3,610 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$224,219 median income, 1.9% unemployment
C+
Affordability
2.6 / 5.0
$1,627,300 home value, $2,458/mo rent
F
Safety
1.0 / 5.0
110 violent crimes/100K
A+
Education
5.0 / 5.0
67.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+26.1%
3,165 → 3,991
over 10 years
Annual Pop. Growth
+2.35%
Compound annual growth rate
Median Income Change
+78.4%
$125,662 → $224,219
nominal, not inflation-adjusted
Annual Income Growth
+5.96%
Compound annual growth rate
Population Over Time
Total population for San Miguel CDP (Contra Costa County) 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
4,696
+705 from 2023 (3,991)
Projected Median Income 2030
$336,253
+$112,034 from 2023 ($224,219)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 3,165 | — | $125,662 | — |
| 2015 | 3,366 | +6.4% | $155,181 | +23.5% |
| 2017 | 3,137 | -6.8% | $163,971 | +5.7% |
| 2019 | 3,433 | +9.4% | $172,073 | +4.9% |
| 2021 | 3,573 | +4.1% | $205,000 | +19.1% |
| 2023 | 3,991 | +11.7% | $224,219 | +9.4% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.