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Somersworth city, NH
ZIP 03878 — 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 03878
03878 has a population of 12,145 with a median age of 38.3 yrs (50.0% male).
Health & Community Indicators in 03878
Historical Trends in 03878 (2020–Present)
Since 2020, population grew 0.5%, median income rose 0.6% (inflation-adjusted), home values increased 18.7%.
People & Community key statistics
| Population | |
|---|---|
| Population | 12,145 |
| Median age | 38.3 |
| Poverty rate | 11.5% |
| Demographics | |
|---|---|
| White | 83.8% |
| Hispanic | 5.7% |
| Black | 2.6% |
| Asian | 2.8% |
| Foreign-born | 37.3% |