📍 View location on OpenStreetMap (43.253350, -70.885550)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 03878 |
| Primary City | Somersworth |
| State / Province | NH |
| County | Strafford |
| Total Population | 12,205 |
| Population Density | 480.1 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 03878 | Strafford County records | NH records |
|---|---|---|---|
| Population estimate | 12,205 | 132,728 (sum) | 1,394,951 (sum) |
| Population Density | 480.1 /sq mi | -- | -- |
| County population rank | #4 of 16 | -- | -- |
| State population rank | #31 of 245 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 03869 | Rollinsford | 3.2 mi | 2,456 |
| ZIP 03820 | Dover | 4.4 mi | 33,440 |
| ZIP 03839 | Rochester | 4.9 mi | 4,279 |
| ZIP 03868 | Rochester | 5.3 mi | 6,133 |
| ZIP 03823 | Madbury | 6.1 mi | 2,203 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →