| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 423 / 865 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:48 PM |
| Population: | 57,041 [See All] |
| FIPS: | 47145 |
| CBSA: | Knoxville, TN |
| Land Area: | 458 sq mi |
| Water Area: | 26 sq mi |
| Coordinates: | 35.9290, -84.5284 |
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57,041 residents live across 4 ZIPs covering 458 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 56,484 to 57,041 from 2014 to 2024 — a +1.0% change. 1 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 37763 (Kingston, $81,000 median) and poorest ZIP 37854 (Rockwood, $55,856) are 14.3 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.5× across this county — from $177,500 in 37854 (Rockwood) to $259,000 in 37763 (Kingston).
Density varies 2× across the county — from 85 people/sq mi in 37854 (Rockwood) to 171 in 37763 (Kingston).
Educational attainment ranges from 13.0% bachelor's+ in 37854 (Rockwood) to 24.5% in 37763 (Kingston) — the breadth of educational profiles across the area.
Within Tennessee, this is the #26 most populous of 95 counties and ranks #25 for median household income .
Weighted by population, the typical household earns about $69,636 across the county — reflecting what a typical resident sees, not a simple ZIP average.
19.1% of adults age 25+ hold a bachelor's degree or higher (8,049 of 42,081 reporting).
4 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.