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Seabrook Beach CDP, NH
ZIP 03874 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 03874
03874 has a population of 8,613 with a median age of 53.4 yrs (51.5% male).
Health & Community Indicators in 03874
Historical Trends in 03874 (2020–Present)
Since 2020, population declined 4.1%, median income fell 3.2% (inflation-adjusted), home values increased 29.0%.
People & Community key statistics
| Population | |
|---|---|
| Population | 8,613 |
| Median age | 53.4 |
| Poverty rate | 11.2% |
| Demographics | |
|---|---|
| White | 89.7% |
| Hispanic | 3.5% |
| Black | 0.7% |
| Asian | 0.7% |
| Foreign-born | 45.9% |