| ZIP Codes: | 16 ZIP Codes (12 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Code: | 207 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:54:28 PM |
| Population: | 59,445 [See All] |
| FIPS: | 23017 |
| Land Area: | 1,748 sq mi |
| Water Area: | 54 sq mi |
| Coordinates: | 44.3208, -70.6738 |
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31,318 residents live across 16 ZIPs covering 1,748 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 32,263 to 31,318 from 2014 to 2024 — a -2.9% change. 6 ZIPs gained residents, 9 lost.
The county's wealthiest ZIP 03593 (Randolph, $101,750 median) and poorest ZIP 03570 (Berlin, $45,180) are 10.7 miles apart — a 2.3× income gap across local geography.
Median home values vary 3.3× across this county — from $122,300 in 03582 (Groveton) to $407,000 in 03593 (Randolph).
Density varies 210× across the county — from 2 people/sq mi in 03579 (Errol) to 428 in 03597 (West Stewartstown).
Educational attainment ranges from 2.8% bachelor's+ in 03597 (West Stewartstown) to 64.7% in 03593 (Randolph) — the breadth of educational profiles across the area.
Within New Hampshire, this is the #7 most populous of 16 counties and ranks #11 for median household income .
Weighted by population, the typical household earns about $57,258 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.1% of adults age 25+ hold a bachelor's degree or higher (4,895 of 24,409 reporting).
12 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 03570 | Berlin | Standard | 9,383 | $45,180 | 44.1 | -3.4% |
| 03584 | Lancaster | Standard | 3,501 | $66,768 | 69.0 | -3.8% |
| 03598 | Whitefield | Standard | 3,396 | $67,179 | 96.0 | 10.7% |
| 03581 | Gorham | Standard | 3,246 | $64,127 | 113.5 | 3.4% |
| 03576 | Colebrook | Standard | 2,764 | $52,682 | 199.0 | -15.2% |
| 03582 | Groveton | Standard | 1,949 | $46,250 | 118.2 | -21.0% |
| 03588 | Milan | Standard | 1,633 | $71,538 | 187.6 | -1.3% |
| 03590 | North Stratford | Standard | 1,297 | $52,803 | 111.9 | 34.4% |
| 03592 | Pittsburg | Standard | 1,054 | $61,094 | 371.2 | -11.4% |
| 03583 | Jefferson | Standard | 1,013 | $67,188 | 70.3 | 12.3% |
| 03595 | Twin Mountain | PO Box | 648 | $64,762 | 59.9 | -26.3% |
| 03597 | West Stewartstown | PO Box | 527 | $56,010 | 1.2 | 37.6% |
| 03593 | Randolph | Standard | 465 | $101,750 | 86.8 | 7.4% |
| 03579 | Errol | Standard | 431 | $61,000 | 211.8 | -6.7% |
| 03575 | Bretton Woods | PO Box | 11 | — | 0.7 | -90.2% |
| 03589 | Mount Washington | PO Box | — | — | 6.3 | — |