| ZIP Codes: | 4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 859 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:41 PM |
| Population: | 11,623 [See All] |
| FIPS: | 21229 |
| Land Area: | 271 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 37.7620, -85.1822 |
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11,623 residents live across 4 ZIPs covering 271 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 11,270 to 11,455 from 2014 to 2024 — a +1.6% change. 2 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 40069 (Springfield, $70,788 median) and poorest ZIP 40078 (Willisburg, $54,435) are 8.6 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.2× across this county — from $158,600 in 40040 (Mackville) to $194,200 in 40069 (Springfield).
Density varies 33× across the county — from 40 people/sq mi in 40040 (Mackville) to 1,322 in 40061 (Saint Catharine).
Educational attainment ranges from 8.0% bachelor's+ in 40040 (Mackville) to 24.2% in 40069 (Springfield) — the breadth of educational profiles across the area.
Within Kentucky, this is the #90 most populous of 120 counties and ranks #44 for median household income .
Weighted by population, the typical household earns about $66,712 across the county — reflecting what a typical resident sees, not a simple ZIP average.
20.3% of adults age 25+ hold a bachelor's degree or higher (1,654 of 8,163 reporting).
3 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.