| ZIP Codes: | 6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 502 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:40 PM |
| Population: | 44,133 [See All] |
| FIPS: | 21211 |
| CBSA: | Louisville/Jefferson County, KY-IN |
| Land Area: | 339 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 38.1992, -85.1982 |
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44,133 residents live across 6 ZIPs covering 339 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 39,804 to 44,133 from 2014 to 2024 — a +10.9% change. 4 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 40022 (Finchville, $98,333 median) and poorest ZIP 40065 (Shelbyville, $77,869) are 9.4 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.2× across this county — from $259,100 in 40076 (Waddy) to $576,800 in 40022 (Finchville).
Density varies 5× across the county — from 40 people/sq mi in 40003 (Bagdad) to 184 in 40065 (Shelbyville).
Educational attainment ranges from 22.5% bachelor's+ in 40076 (Waddy) to 44.1% in 40067 (Simpsonville) — the breadth of educational profiles across the area.
Within Kentucky, this is the #24 most populous of 120 counties and ranks #4 for median household income with the #13 fastest decade growth .
Weighted by population, the typical household earns about $82,871 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.9% of adults age 25+ hold a bachelor's degree or higher (9,774 of 30,598 reporting).
5 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 40065 | Shelbyville | Standard | 32,160 | $77,869 | 174.8 | 11.2% |
| 40067 | Simpsonville | Standard | 6,365 | $97,684 | 44.3 | 18.9% |
| 40076 | Waddy | Standard | 2,898 | $91,786 | 58.0 | 32.8% |
| 40003 | Bagdad | Standard | 1,807 | $97,681 | 45.3 | -28.0% |
| 40022 | Finchville | Standard | 903 | $98,333 | 16.7 | 9.3% |
| 40066 | Shelbyville | PO Box | — | — | 0.0 | — |