| ZIP Codes: | 3 ZIP Codes (2 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 620 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:33 PM |
| Population: | 21,437 [See All] |
| FIPS: | 20175 |
| CBSA: | Liberal, KS |
| Land Area: | 485 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 37.1342, -100.8604 |
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21,437 residents live across 3 ZIPs covering 485 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 23,190 to 21,437 from 2014 to 2024 — a -7.6% change. 0 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 67901 (Liberal, $64,783 median) and poorest ZIP 67859 (Kismet, $59,500) are 11.1 miles apart — a 1.1× income gap across local geography.
Median home values vary 1.0× across this county — from $133,200 in 67901 (Liberal) to $138,900 in 67859 (Kismet).
Density varies 20× across the county — from 3 people/sq mi in 67859 (Kismet) to 65 in 67901 (Liberal).
Educational attainment ranges from 10.8% bachelor's+ in 67901 (Liberal) to 24.0% in 67859 (Kismet) — the breadth of educational profiles across the area.
Within Kansas, this is the #25 most populous of 106 counties and ranks #76 for median household income .
Weighted by population, the typical household earns about $64,651 across the county — reflecting what a typical resident sees, not a simple ZIP average.
11.2% of adults age 25+ hold a bachelor's degree or higher (1,393 of 12,493 reporting).
2 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Seward County lost 7.6% of residents between 2014 and 2024. ZIPs that shed the largest share: