Town in San Mateo County, California · 6.2 sq mi · 1,808 people per sq mi
About 11,000 people live in Hillsborough. The typical household earns $250,001, and the median resident is 47 years old.
2026 projection
From 11,351 in 2020
Poverty rate 4.98%
Men 45.2 · Women 47.7
1920–2026
11,149
2026 projection
1.8% 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.
1920–2026
11,149
2026 projection
1.8% 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 | 11,149 | -57 | 0.51% |
|---|---|---|---|
| 2025 | 11,206 | +81 | 0.73% |
| 2024 | 11,125 | +135 | 1.23% |
| 2023 | 10,990 | +56 | 0.51% |
| 2022 | 10,934 | -90 | 0.82% |
| 2021 | 11,024 | -327 | 2.88% |
| 2020 | 11,351 | -233 | 2.01% |
| 2019 | 11,584 | -51 | 0.44% |
| 2018 | 11,635 | -11 | 0.09% |
| 2017 | 11,646 | +29 | 0.25% |
Showing 10 of 26 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 111 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 20 residents
67% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 67% | 68% | 65% |
| Never married | 22% | 24% | 21% |
| Divorced | 6% | 6% | 6% |
| Widowed | 5% | 2% | 7% |
| Separated | <1% | 0% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau