| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 605 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:55:03 PM |
| Population: | 2,632 [See All] |
| FIPS: | 46107 |
| Land Area: | 1,080 sq mi |
| Water Area: | 59 sq mi |
| Coordinates: | 45.1224, -99.8230 |
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2,632 residents live across 4 ZIPs covering 1,080 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 2,592 to 2,632 from 2014 to 2024 — a +1.5% change. 2 ZIPs gained residents, 1 lost (and 1 held flat).
The county's wealthiest ZIP 57475 (Tolstoy, $88,125 median) and poorest ZIP 57442 (Gettysburg, $65,625) are 24.3 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.7× across this county — from $80,600 in 57455 (Lebanon) to $134,600 in 57442 (Gettysburg).
Educational attainment ranges from 12.8% bachelor's+ in 57475 (Tolstoy) to 28.4% in 57442 (Gettysburg) — the breadth of educational profiles across the area.
Within South Dakota, this is the #48 most populous of 82 counties and ranks #24 for median household income .
Weighted by population, the typical household earns about $72,573 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.8% of adults age 25+ hold a bachelor's degree or higher (514 of 1,918 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.