| ZIP Codes: | 11 ZIP Codes (11 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 701 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:22 PM |
| Population: | 10,634 [See All] |
| FIPS: | 38099 |
| Land Area: | 1,418 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 48.3682, -97.7531 |
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10,634 residents live across 11 ZIPs covering 1,418 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 11,294 to 10,634 from 2014 to 2024 — a -5.8% change. 2 ZIPs gained residents, 9 lost.
The county's wealthiest ZIP 58250 (Lankin, $108,375 median) and poorest ZIP 58229 (Fairdale, $29,357) are 19.7 miles apart — a 3.7× income gap across local geography.
Median home values vary 1.9× across this county — from $88,300 in 58210 (Adams) to $164,200 in 58270 (Park River).
Density varies 20× across the county — from 1 people/sq mi in 58229 (Fairdale) to 20 in 58237 (Grafton).
Educational attainment ranges from 13.9% bachelor's+ in 58261 (Minto) to 29.5% in 58227 (Edinburg) — the breadth of educational profiles across the area.
Within North Dakota, this is the #13 most populous of 64 counties and ranks #40 for median household income .
Weighted by population, the typical household earns about $72,989 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.2% of adults age 25+ hold a bachelor's degree or higher (1,414 of 7,382 reporting).
11 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.7× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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.
Walsh County lost 5.8% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 58237 | Grafton | Standard | 4,994 | $70,201 | 250.6 | -6.8% |
| 58270 | Park River | Standard | 1,816 | $69,811 | 145.5 | -4.5% |
| 58261 | Minto | Standard | 1,442 | $78,864 | 178.8 | 20.0% |
| 58243 | Hoople | Standard | 502 | $85,625 | 96.6 | -30.1% |
| 58227 | Edinburg | Standard | 481 | $78,264 | 122.7 | -0.4% |
| 58231 | Fordville | Standard | 461 | $85,833 | 119.9 | -4.6% |
| 58233 | Forest River | Standard | 265 | $84,375 | 106.6 | 22.1% |
| 58210 | Adams | Standard | 246 | $47,500 | 141.5 | -24.3% |
| 58250 | Lankin | Standard | 191 | $108,375 | 89.1 | -29.0% |
| 58273 | Pisek | Standard | 139 | $52,500 | 71.3 | -32.5% |
| 58229 | Fairdale | Standard | 97 | $29,357 | 96.0 | -27.6% |