| ZIP Codes: | 3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 605 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:42 PM |
| Population: | 1,177 [See All] |
| FIPS: | 46069 |
| Land Area: | 807 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 44.4313, -99.5030 |
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1,177 residents live across 3 ZIPs covering 807 sq mi, served by 3 distinct USPS-recognized cities.
Population moved from 1,460 to 1,177 from 2014 to 2024 — a -19.4% change. 1 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 57345 (Highmore, $75,735 median) and poorest ZIP 57345 (Highmore, $75,735) are 0.0 miles apart — a 1.0× income gap across local geography.
Median home values vary 1.5× across this county — from $171,900 in 57345 (Highmore) to $258,300 in 57540 (Holabird).
Density varies 1× across the county — from 2 people/sq mi in 57345 (Highmore) to 2 in 57540 (Holabird).
Educational attainment ranges from 7.3% bachelor's+ in 57540 (Holabird) to 23.1% in 57345 (Highmore) — the breadth of educational profiles across the area.
Within South Dakota, this is the #71 most populous of 82 counties and ranks #37 for median household income .
Weighted by population, the typical household earns about $75,735 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.9% of adults age 25+ hold a bachelor's degree or higher (182 of 913 reporting).
3 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.
Hyde County lost 19.4% of residents between 2014 and 2024. ZIPs that shed the largest share: