| ZIP Codes: | 2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 502 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:22 PM |
| Population: | 18,361 [See All] |
| FIPS: | 21215 |
| CBSA: | Louisville/Jefferson County, KY-IN |
| Land Area: | 174 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 38.0323, -85.2891 |
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18,361 residents live across 2 ZIPs covering 174 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 16,517 to 18,361 from 2014 to 2024 — a +11.2% change. 1 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 40071 (Taylorsville, $98,528 median) and poorest ZIP 40046 (Mount Eden, $66,000) are 9.9 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.5× across this county — from $221,000 in 40046 (Mount Eden) to $329,000 in 40071 (Taylorsville).
Density varies 6× across the county — from 22 people/sq mi in 40046 (Mount Eden) to 140 in 40071 (Taylorsville).
Educational attainment ranges from 9.4% bachelor's+ in 40046 (Mount Eden) to 22.8% in 40071 (Taylorsville) — the breadth of educational profiles across the area.
Within Kentucky, this is the #64 most populous of 120 counties and ranks #6 for median household income with the #12 fastest decade growth .
Weighted by population, the typical household earns about $96,540 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.9% of adults age 25+ hold a bachelor's degree or higher (2,733 of 12,463 reporting).
2 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.