CDP in Marin County, California · 1.5 sq mi · 390 people per sq mi
About 590 people live in San Geronimo. The typical household earns $171,932, and the median resident is 46.5 years old.
2026 projection
From 176 in 2020
Poverty rate 0%
Men 46.1 · Women 46.9
2011–2026
589
2026 projection
234.7% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
589
2026 projection
234.7% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 589 | +9 | 1.55% |
|---|---|---|---|
| 2025 | 580 | +18 | 1.59% |
| 2023 | 562 | +135 | 31.62% |
| 2022 | 427 | +135 | 46.23% |
| 2021 | 292 | +116 | 65.91% |
| 2020 | 176 | -223 | 55.89% |
| 2019 | 399 | -67 | 14.38% |
| 2018 | 466 | +22 | 4.95% |
| 2017 | 444 | -153 | 25.63% |
| 2016 | 597 | -2 | 0.33% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 6 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
0% of residents
49% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 49% | 37% | 72% |
| Never married | 38% | 55% | 6% |
| Divorced | 13% | 8% | 22% |
| Widowed | 0% | 0% | 0% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau