| ZIP Codes: | 9 ZIP Codes (7 Standard, 1 PO Box, 1 Unique) [See All] |
| Area Code: | 859 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:16 PM |
| Population: | 144,247 [See All] |
| FIPS: | 21015 |
| CBSA: | Cincinnati, OH-KY-IN |
| Land Area: | 277 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 38.9791, -84.7064 |
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144,247 residents live across 9 ZIPs covering 277 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 127,147 to 144,247 from 2014 to 2024 — a +13.4% change. 6 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 41048 (Hebron, $137,398 median) and poorest ZIP 41042 (Florence, $79,712) are 8.5 miles apart — a 1.7× income gap across local geography.
Median home values vary 1.9× across this county — from $215,500 in 41080 (Petersburg) to $399,500 in 41091 (Union).
Density varies 42× across the county — from 60 people/sq mi in 41080 (Petersburg) to 2,569 in 41042 (Florence).
Educational attainment ranges from 23.3% bachelor's+ in 41092 (Verona) to 52.6% in 41091 (Union) — the breadth of educational profiles across the area.
Within Kentucky, this is the #5 most populous of 120 counties and ranks #2 for median household income with the #7 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 41021Noram International .
Weighted by population, the typical household earns about $104,205 across the county — reflecting what a typical resident sees, not a simple ZIP average.
35.3% of adults age 25+ hold a bachelor's degree or higher (33,650 of 95,258 reporting).
7 Standard delivery, 1 PO Box only, 1 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 41042 | Florence | Standard | 57,634 | $79,712 | 22.4 | 13.4% |
| 41005 | Burlington | Standard | 25,718 | $112,083 | 51.9 | 5.8% |
| 41091 | Union | Standard | 25,244 | $136,307 | 59.1 | 44.9% |
| 41048 | Hebron | Standard | 16,211 | $137,398 | 32.5 | 7.0% |
| 41094 | Walton | Standard | 14,486 | $96,515 | 42.7 | 1.2% |
| 41092 | Verona | Standard | 3,135 | $85,625 | 38.0 | -9.8% |
| 41080 | Petersburg | Standard | 1,819 | $120,833 | 30.1 | 9.0% |
| 41021 | Hebron | Unique | — | — | 0.0 | — |
| 41022 | Florence | PO Box | — | — | 0.0 | — |