| ZIP Codes: | 2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 701 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:13:01 PM |
| Population: | 509 [See All] |
| FIPS: | 38007 |
| CBSA: | Dickinson, ND |
| Land Area: | 671 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 47.0871, -103.4197 |
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509 residents live across 2 ZIPs covering 671 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 462 to 509 from 2014 to 2024 — a +10.2% change. 2 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 58627 (Fairfield, $93,036 median) and poorest ZIP 58645 (Medora, $78,086) are 19.0 miles apart — a 1.2× income gap across local geography.
Median home values vary 1.3× across this county — from $258,300 in 58645 (Medora) to $345,800 in 58627 (Fairfield).
Density varies 2× across the county — from 1 people/sq mi in 58627 (Fairfield) to 1 in 58645 (Medora).
Educational attainment ranges from 12.8% bachelor's+ in 58627 (Fairfield) to 32.7% in 58645 (Medora) — the breadth of educational profiles across the area.
Within North Dakota, this is the #60 most populous of 64 counties and ranks #17 for median household income with the #10 fastest decade growth .
Weighted by population, the typical household earns about $83,637 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.2% of adults age 25+ hold a bachelor's degree or higher (100 of 382 reporting).
2 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.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.