| ZIP Codes: | 10 ZIP Codes (9 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 270 / 364 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:53:37 PM |
| Population: | 45,705 [See All] |
| FIPS: | 21107 |
| CBSA: | Madisonville, KY |
| Land Area: | 580 sq mi |
| Water Area: | 13 sq mi |
| Coordinates: | 37.2771, -87.5266 |
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45,705 residents live across 10 ZIPs covering 580 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 47,342 to 45,705 from 2014 to 2024 — a -3.5% change. 2 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 42413 (Hanson, $95,417 median) and poorest ZIP 42410 (Earlington, $38,194) are 11.5 miles apart — a 2.5× income gap across local geography.
Median home values vary 3.3× across this county — from $64,000 in 42410 (Earlington) to $212,500 in 42436 (Manitou).
Density varies 32× across the county — from 19 people/sq mi in 42453 (Saint Charles) to 602 in 42440 (Mortons Gap).
Educational attainment ranges from 0.6% bachelor's+ in 42453 (Saint Charles) to 25.8% in 42413 (Hanson) — the breadth of educational profiles across the area.
Within Kentucky, this is the #23 most populous of 120 counties and ranks #56 for median household income .
Weighted by population, the typical household earns about $57,985 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.0% of adults age 25+ hold a bachelor's degree or higher (5,395 of 31,777 reporting).
9 Standard delivery, 1 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 42431 | Madisonville | Standard | 27,207 | $54,905 | 169.9 | 3.1% |
| 42408 | Dawson Springs | Standard | 5,888 | $60,900 | 143.0 | -7.6% |
| 42442 | Nortonville | Standard | 2,991 | $58,190 | 48.4 | -9.0% |
| 42413 | Hanson | Standard | 2,597 | $95,417 | 48.5 | -29.1% |
| 42464 | White Plains | Standard | 1,810 | $45,893 | 65.4 | -5.5% |
| 42436 | Manitou | Standard | 1,539 | $70,694 | 22.2 | 47.3% |
| 42441 | Nebo | Standard | 1,487 | $54,219 | 54.3 | -7.4% |
| 42410 | Earlington | Standard | 1,084 | $38,194 | 3.4 | -32.3% |
| 42440 | Mortons Gap | PO Box | 650 | — | 1.1 | -25.6% |
| 42453 | Saint Charles | Standard | 452 | $53,939 | 23.8 | -23.9% |