| ZIP Codes: | 6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 701 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:54:20 PM |
| Population: | 3,441 [See All] |
| FIPS: | 38025 |
| CBSA: | Dickinson, ND |
| Land Area: | 1,338 sq mi |
| Water Area: | 21 sq mi |
| Coordinates: | 47.3101, -102.5429 |
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3,441 residents live across 6 ZIPs covering 1,338 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 3,427 to 3,422 from 2014 to 2024 — a -0.1% change. 2 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 58642 (Manning, $101,700 median) and poorest ZIP 58636 (Halliday, $62,222) are 26.0 miles apart — a 1.6× income gap across local geography.
Median home values vary 2.4× across this county — from $141,300 in 58636 (Halliday) to $343,700 in 58640 (Killdeer).
Density varies 1× across the county — from 2 people/sq mi in 58642 (Manning) to 3 in 58640 (Killdeer).
Educational attainment ranges from 10.7% bachelor's+ in 58626 (Dunn Center) to 36.0% in 58642 (Manning) — the breadth of educational profiles across the area.
Within North Dakota, this is the #29 most populous of 64 counties and ranks #10 for median household income .
Weighted by population, the typical household earns about $88,628 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.7% of adults age 25+ hold a bachelor's degree or higher (549 of 2,319 reporting).
6 Standard delivery, 0 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.