| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 605 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:13:41 PM |
| Population: | 2,076 [See All] |
| FIPS: | 46019 |
| Land Area: | 2,540 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 44.7827, -103.3754 |
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11,059 residents live across 4 ZIPs covering 2,540 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 10,441 to 11,059 from 2014 to 2024 — a +5.9% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 57788 (Vale, $85,380 median) and poorest ZIP 57760 (Newell, $65,054) are 25.7 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.7× across this county — from $153,600 in 57762 (Nisland) to $259,800 in 57788 (Vale).
Density varies 8× across the county — from 1 people/sq mi in 57760 (Newell) to 8 in 57717 (Belle Fourche).
Educational attainment ranges from 7.2% bachelor's+ in 57788 (Vale) to 25.3% in 57760 (Newell) — the breadth of educational profiles across the area.
Within South Dakota, this is the #55 most populous of 82 counties and ranks #48 for median household income .
Weighted by population, the typical household earns about $76,558 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.8% of adults age 25+ hold a bachelor's degree or higher (1,424 of 7,569 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.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Butte County lost 22.0% of residents between 2014 and 2024. ZIPs that shed the largest share: