City in Orange County, California · 11.3 sq mi · 2,111 people per sq mi
23,869 people live in Seal Beach. The typical household earns $85,964, and the median resident is 61.5 years old.
2026 projection
From 25,242 in 2020
Poverty rate 6.66%
Men 56.8 · Women 64.1
1920–2026
23,869
2026 projection
5.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1920–2026
23,869
2026 projection
5.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 23,869 | -206 | 0.86% |
|---|---|---|---|
| 2025 | 24,075 | -219 | 0.90% |
| 2024 | 24,294 | -82 | 0.34% |
| 2023 | 24,376 | -234 | 0.95% |
| 2022 | 24,610 | -216 | 0.87% |
| 2021 | 24,826 | -416 | 1.65% |
| 2020 | 25,242 | +4 | 0.02% |
| 2019 | 25,238 | -83 | 0.33% |
| 2018 | 25,321 | -50 | 0.20% |
| 2017 | 25,371 | -21 | 0.08% |
Showing 10 of 26 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Seal Beach has a population change lower than Orange County, California, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 247 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 15 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 54% | 43% |
| Never married | 23% | 27% | 20% |
| Divorced | 15% | 11% | 18% |
| Widowed | 12% | 4% | 19% |
| Separated | 2% | 3% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources