| ZIP Codes: | 8 ZIP Codes (8 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 605 / 701 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:22 PM |
| Population: | 168 [See All] |
| FIPS: | 46091 |
| Land Area: | 892 sq mi |
| Water Area: | 45 sq mi |
| Coordinates: | 45.9859, -97.5459 |
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3,883 residents live across 8 ZIPs covering 892 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 3,914 to 3,883 from 2014 to 2024 — a -0.8% change. 5 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 58043 (Havana, $130,694 median) and poorest ZIP 58017 (Cogswell, $61,250) are 16.0 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.5× across this county — from $84,500 in 58017 (Cogswell) to $208,600 in 58040 (Gwinner).
Density varies 8× across the county — from 2 people/sq mi in 58017 (Cogswell) to 12 in 58040 (Gwinner).
Educational attainment ranges from 8.0% bachelor's+ in 58017 (Cogswell) to 36.8% in 58043 (Havana) — the breadth of educational profiles across the area.
Within North Dakota, this is the #64 most populous of 64 counties and ranks #1 for median household income with the #8 fastest decade growth .
On the national stage, Sargent County is ranks #50 for income .
Weighted by population, the typical household earns about $78,406 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.1% of adults age 25+ hold a bachelor's degree or higher (544 of 2,852 reporting).
8 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 58060 | Milnor | Standard | 1,149 | $77,143 | 255.1 | -9.5% |
| 58040 | Gwinner | Standard | 1,030 | $67,143 | 83.0 | 6.7% |
| 58032 | Forman | Standard | 769 | $85,329 | 95.4 | 4.1% |
| 58017 | Cogswell | Standard | 296 | $61,250 | 190.4 | -5.4% |
| 58067 | Rutland | Standard | 277 | $92,969 | 55.6 | 13.1% |
| 58043 | Havana | Standard | 168 | $130,694 | 67.2 | 13.5% |
| 58069 | Stirum | Standard | 151 | — | 65.8 | 11.9% |
| 58013 | Cayuga | Standard | 43 | $78,125 | 79.3 | -56.6% |