City in Contra Costa County, California · 3.8 sq mi · 2,812 people per sq mi
About 11,000 people live in Clayton. The typical household earns $175,707, and the median resident is 43.8 years old.
2026 projection
From 11,060 in 2020
Poverty rate 2.49%
Men 40.8 · Women 45.6
1970–2026
10,798
2026 projection
2.4% 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.
1970–2026
10,798
2026 projection
2.4% 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 | 10,798 | -44 | 0.41% |
|---|---|---|---|
| 2025 | 10,842 | -45 | 0.41% |
| 2024 | 10,887 | +38 | 0.35% |
| 2023 | 10,849 | -29 | 0.27% |
| 2022 | 10,878 | -108 | 0.98% |
| 2021 | 10,986 | -74 | 0.67% |
| 2020 | 11,060 | -523 | 4.52% |
| 2019 | 11,583 | -33 | 0.28% |
| 2018 | 11,616 | -2 | 0.02% |
| 2017 | 11,618 | +29 | 0.25% |
Showing 10 of 21 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 109 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 40 residents
55% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 55% | 60% | 51% |
| Never married | 29% | 31% | 26% |
| Divorced | 8% | 6% | 9% |
| Widowed | 7% | 2% | 11% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau