Zip Code 03280 — Washington, NH
03280 is a ZIP Code associated with Washington, NH, located within Sullivan. 03280 ranks #8 out of 15 ZIP codes in Sullivan County by population (and #184 out of 247 in NH). The area supports an estimated population of 1,224 residents across Data Pending housing units, with a population density of 10.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.183390, -72.089790)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 03280 |
| Primary City | Washington |
| State / Province | NH |
| County | Sullivan |
| Total Population | 1,224 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 10.5 people/sq mi |
| Timezone | America/New_York |
How 03280 Compares
| Metric | ZIP 03280 | Sullivan County | NH State Average |
|---|
| Population | 1,224 | 42,802 (Total) | 1,394,951 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 10.5 /sq mi | -- | -- |
| County Pop Rank | #8 of 15 | -- | -- |
Nearby ZIP Codes
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 →