| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 620 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:30 PM |
| Population: | 6,326 [See All] |
| FIPS: | 20073 |
| Land Area: | 1,247 sq mi |
| Water Area: | 10 sq mi |
| Coordinates: | 37.8575, -96.1692 |
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6,326 residents live across 9 ZIPs covering 1,247 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 6,998 to 6,326 from 2014 to 2024 — a -9.6% change. 2 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 67122 (Piedmont, $137,614 median) and poorest ZIP 66870 (Virgil, $34,375) are 34.6 miles apart — a 4.0× income gap across local geography.
Median home values vary 2.3× across this county — from $48,900 in 66853 (Hamilton) to $110,100 in 67045 (Eureka).
Educational attainment ranges from 9.9% bachelor's+ in 67137 (Severy) to 31.5% in 66860 (Madison) — the breadth of educational profiles across the area.
Within Kansas, this is the #56 most populous of 106 counties and ranks #66 for median household income .
Weighted by population, the typical household earns about $63,212 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.5% of adults age 25+ hold a bachelor's degree or higher (979 of 4,543 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 4.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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.
Greenwood County lost 9.6% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 67045 | Eureka | Standard | 3,406 | $62,629 | 439.7 | -2.7% |
| 66860 | Madison | Standard | 1,342 | $60,531 | 182.9 | -2.1% |
| 67047 | Fall River | Standard | 496 | $54,231 | 176.2 | -39.7% |
| 67137 | Severy | Standard | 357 | $48,333 | 68.7 | -46.5% |
| 67122 | Piedmont | Standard | 296 | $137,614 | 168.1 | 171.6% |
| 66853 | Hamilton | Standard | 281 | $51,875 | 130.2 | -22.8% |
| 66870 | Virgil | Standard | 121 | $34,375 | 79.3 | 7.1% |
| 66863 | Neal | PO Box | 27 | — | 0.6 | -44.9% |
| 66855 | Lamont | Standard | — | — | 1.3 | — |