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San Geronimo, CA
Full City Profile · California · Marin County County
3.6
/5.0
B+
Good
562
Population
372/sq mi density
$206,375
Median Income
$104,829 per capita
$1,220,800
Home Value
$1,128,391 Zillow
58°F
Avg Temperature
326 sunny days/yr
162
Violent Crime/100K
848 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$206,375 median income, 0.0% unemployment
B
Affordability
3.3 / 5.0
$1,220,800 home value, /mo rent
F
Safety
1.0 / 5.0
162 violent crimes/100K
A+
Education
5.0 / 5.0
87.8% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+43.7%
391 → 562
over 10 years
Annual Pop. Growth
+3.69%
Compound annual growth rate
Median Income Change
+147.6%
$83,355 → $206,375
nominal, not inflation-adjusted
Annual Income Growth
+9.49%
Compound annual growth rate
Population Over Time
Total population for San Geronimo 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
724
+162 from 2023 (562)
Projected Median Income 2030
$389,295
+$182,920 from 2023 ($206,375)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 391 | — | $83,355 | — |
| 2015 | 599 | +53.2% | $85,625 | +2.7% |
| 2017 | 444 | -25.9% | $97,500 | +13.9% |
| 2019 | 399 | -10.1% | $112,277 | +15.2% |
| 2021 | 292 | -26.8% | — | — |
| 2023 | 562 | +92.5% | $206,375 | — |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.