CDP in Contra Costa County, California · 0.6 sq mi · 2,231 people per sq mi
About 1,300 people live in Castle Hill. The typical household earns $250,001, and the median resident is 43.9 years old.
2026 projection
From 1,164 in 2020
Poverty rate 0.19%
Men 46.5 · Women 43.3
2011–2026
1,304
2026 projection
12% 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
1,304
2026 projection
12% 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 | 1,304 | 0 | 0.00% |
|---|---|---|---|
| 2025 | 1,304 | +1 | 0.04% |
| 2023 | 1,303 | +293 | 29.01% |
| 2022 | 1,010 | +90 | 9.78% |
| 2021 | 920 | -244 | 20.96% |
| 2020 | 1,164 | -262 | 18.37% |
| 2019 | 1,426 | +281 | 24.54% |
| 2018 | 1,145 | -87 | 7.06% |
| 2017 | 1,232 | +30 | 2.50% |
| 2016 | 1,202 | -2 | 0.17% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 10 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 526 residents
86% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 86% | 85% | 87% |
| Never married | 7% | 9% | 4% |
| Divorced | 4% | 6% | 3% |
| Widowed | 3% | 0% | 5% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau