Zip Code 03231 — East Andover, NH
03231 is a ZIP Code associated with East Andover, NH, located within Merrimack. 03231 ranks #28 out of 28 ZIP codes in Merrimack County by population (and #240 out of 247 in NH). The area supports an estimated population of 89 residents across Data Pending housing units, with a population density of 120.1 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.455550, -71.755510)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 03231 |
| Primary City | East Andover |
| State / Province | NH |
| County | Merrimack |
| Total Population | 89 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 120.1 people/sq mi |
| Timezone | America/New_York |
How 03231 Compares
| Metric | ZIP 03231 | Merrimack County | NH State Average |
|---|
| Population | 89 | 160,041 (Total) | 1,394,951 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 120.1 /sq mi | -- | -- |
| County Pop Rank | #28 of 28 | -- | -- |
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 →