| ZIP Codes: | 12 ZIP Codes (11 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 270 / 364 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:21 PM |
| Population: | 21,936 [See All] |
| FIPS: | 21183 |
| Land Area: | 601 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 37.4725, -86.8153 |
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21,936 residents live across 12 ZIPs covering 601 sq mi, served by 12 distinct USPS-recognized cities.
Population moved from 22,602 to 21,936 from 2014 to 2024 — a -2.9% change. 4 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 42368 (Reynolds Station, $76,208 median) and poorest ZIP 42333 (Cromwell, $33,969) are 23.2 miles apart — a 2.2× income gap across local geography.
Median home values vary 2.0× across this county — from $77,300 in 42369 (Rockport) to $158,000 in 42368 (Reynolds Station).
Density varies 30× across the county — from 11 people/sq mi in 42361 (Olaton) to 332 in 42354 (Mc Henry).
Educational attainment ranges from 1.4% bachelor's+ in 42354 (Mc Henry) to 17.4% in 42347 (Hartford) — the breadth of educational profiles across the area.
Within Kentucky, this is the #51 most populous of 120 counties and ranks #65 for median household income .
Weighted by population, the typical household earns about $57,124 across the county — reflecting what a typical resident sees, not a simple ZIP average.
13.3% of adults age 25+ hold a bachelor's degree or higher (1,990 of 14,908 reporting).
11 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 |
|---|---|---|---|---|---|---|
| 42320 | Beaver Dam | Standard | 9,128 | $54,730 | 150.6 | 6.9% |
| 42347 | Hartford | Standard | 5,829 | $60,900 | 117.6 | 0.3% |
| 42349 | Horse Branch | Standard | 1,962 | $58,601 | 55.8 | 75.6% |
| 42343 | Fordsville | Standard | 1,267 | $52,679 | 82.5 | -30.6% |
| 42328 | Centertown | Standard | 1,158 | $57,679 | 68.4 | -25.2% |
| 42368 | Reynolds Station | Standard | 989 | $76,208 | 47.5 | -15.3% |
| 42333 | Cromwell | Standard | 644 | $33,969 | 34.4 | -51.1% |
| 42361 | Olaton | Standard | 425 | $43,750 | 38.2 | -19.0% |
| 42354 | Mc Henry | Standard | 283 | $65,625 | 0.9 | -11.3% |
| 42369 | Rockport | Standard | 223 | $62,750 | 3.1 | -32.6% |
| 42370 | Rosine | PO Box | 16 | — | 0.1 | — |
| 42338 | Dundee | Standard | 12 | — | 2.1 | -88.0% |