City in Sussex County, Delaware · 5.1 sq mi · 1,844 people per sq mi
About 9,400 people live in Seaford. The typical household earns $54,016, and the median resident is 41.1 years old.
2026 projection
From 7,982 in 2020
Poverty rate 18.76%
Men 40.4 · Women 41.8
1860–2026
9,414
2026 projection
17.9% 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.
1860–2026
9,414
2026 projection
17.9% 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 | 9,414 | +249 | 2.72% |
|---|---|---|---|
| 2025 | 9,165 | +184 | 2.05% |
| 2024 | 8,981 | +223 | 2.55% |
| 2023 | 8,758 | +232 | 2.72% |
| 2022 | 8,526 | +278 | 3.37% |
| 2021 | 8,248 | +266 | 3.33% |
| 2020 | 7,982 | -64 | 0.80% |
| 2019 | 8,046 | +157 | 1.99% |
| 2018 | 7,889 | +161 | 2.08% |
| 2017 | 7,728 | +152 | 2.01% |
Showing 10 of 32 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 85 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 5 residents
42% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 42% | 46% | 39% |
| Never married | 35% | 43% | 29% |
| Divorced | 12% | 6% | 18% |
| Widowed | 7% | 2% | 11% |
| Separated | 4% | 3% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau