City in Marin County, California · 4.8 sq mi · 2,868 people per sq mi
About 14,000 people live in Mill Valley. The typical household earns $206,212, and the median resident is 48.7 years old.
2026 projection
From 14,206 in 2020
Poverty rate 5.91%
Men 45.7 · Women 50.1
1910–2026
13,716
2026 projection
3.4% since 2020 (decrease)
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.
1910–2026
13,716
2026 projection
3.4% since 2020 (decrease)
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 | 13,716 | -83 | 0.60% |
|---|---|---|---|
| 2025 | 13,799 | -76 | 0.55% |
| 2024 | 13,875 | +33 | 0.24% |
| 2023 | 13,842 | -132 | 0.94% |
| 2022 | 13,974 | -176 | 1.24% |
| 2021 | 14,150 | -56 | 0.39% |
| 2020 | 14,206 | -232 | 1.61% |
| 2019 | 14,438 | -47 | 0.32% |
| 2018 | 14,485 | -8 | 0.06% |
| 2017 | 14,493 | -58 | 0.40% |
Showing 10 of 27 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 140 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.
About 1 in 17 residents
54% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 54% | 58% | 49% |
| Never married | 29% | 33% | 26% |
| Divorced | 11% | 7% | 14% |
| Widowed | 6% | 1% | 10% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau