| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 270 / 364 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:20 PM |
| Population: | 31,470 [See All] |
| FIPS: | 21157 |
| Land Area: | 354 sq mi |
| Water Area: | 38 sq mi |
| Coordinates: | 36.9037, -88.3130 |
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31,470 residents live across 4 ZIPs covering 354 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 30,859 to 31,470 from 2014 to 2024 — a +2.0% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 42025 (Benton, $70,067 median) and poorest ZIP 42048 (Hardin, $55,714) are 6.8 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.0× across this county — from $138,800 in 42048 (Hardin) to $271,400 in 42044 (Gilbertsville).
Density varies 2× across the county — from 67 people/sq mi in 42048 (Hardin) to 113 in 42029 (Calvert City).
Educational attainment ranges from 20.1% bachelor's+ in 42044 (Gilbertsville) to 24.6% in 42029 (Calvert City) — the breadth of educational profiles across the area.
Within Kentucky, this is the #32 most populous of 120 counties and ranks #47 for median household income .
Weighted by population, the typical household earns about $66,486 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 (4,907 of 22,863 reporting).
4 Standard delivery, 0 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.