| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 605 / 701 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:20 PM |
| Population: | 966 [See All] |
| FIPS: | 46089 |
| CBSA: | Aberdeen, SD |
| Land Area: | 963 sq mi |
| Water Area: | 17 sq mi |
| Coordinates: | 46.0706, -99.2445 |
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5,132 residents live across 4 ZIPs covering 963 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 5,179 to 5,132 from 2014 to 2024 — a -0.9% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 58441 (Fullerton, $88,125 median) and poorest ZIP 58436 (Ellendale, $69,286) are 14.9 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.1× across this county — from $153,200 in 58441 (Fullerton) to $164,100 in 58436 (Ellendale).
Density varies 3× across the county — from 2 people/sq mi in 58441 (Fullerton) to 8 in 58474 (Oakes).
Educational attainment ranges from 22.2% bachelor's+ in 58441 (Fullerton) to 30.7% in 58436 (Ellendale) — the breadth of educational profiles across the area.
Within North Dakota, this is the #56 most populous of 64 counties and ranks #64 for median household income .
Weighted by population, the typical household earns about $72,963 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.4% of adults age 25+ hold a bachelor's degree or higher (973 of 3,430 reporting).
4 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.
Dickey County lost 16.7% of residents between 2014 and 2024. ZIPs that shed the largest share: