| ZIP Codes: | 11 ZIP Codes (10 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 865 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:45 PM |
| Population: | 130,209 [See All] |
| FIPS: | 47009 |
| CBSA: | Knoxville, TN |
| Land Area: | 678 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 35.7295, -83.9601 |
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130,209 residents live across 11 ZIPs covering 678 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 117,997 to 130,209 from 2014 to 2024 — a +10.3% change. 8 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 37803 (Maryville, $83,446 median) and poorest ZIP 37878 (Tallassee, $54,821) are 5.7 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.6× across this county — from $221,500 in 37853 (Rockford) to $356,100 in 37803 (Maryville).
Density varies 102× across the county — from 9 people/sq mi in 37882 (Townsend) to 935 in 37701 (Alcoa).
Educational attainment ranges from 24.1% bachelor's+ in 37886 (Walland) to 37.1% in 37701 (Alcoa) — the breadth of educational profiles across the area.
Within Tennessee, this is the #13 most populous of 95 counties and ranks #17 for median household income with the #22 fastest decade growth .
Weighted by population, the typical household earns about $77,242 across the county — reflecting what a typical resident sees, not a simple ZIP average.
29.3% of adults age 25+ hold a bachelor's degree or higher (27,637 of 94,347 reporting).
10 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 37803 | Maryville | Standard | 33,822 | $83,446 | 86.1 | 6.9% |
| 37801 | Maryville | Standard | 28,090 | $73,508 | 70.7 | 12.2% |
| 37804 | Maryville | Standard | 27,382 | $79,025 | 34.5 | 10.6% |
| 37777 | Louisville | Standard | 12,877 | $75,648 | 37.3 | 12.1% |
| 37701 | Alcoa | Standard | 10,247 | $66,132 | 11.0 | 41.6% |
| 37737 | Friendsville | Standard | 7,081 | $81,706 | 27.9 | 27.7% |
| 37886 | Walland | Standard | 3,670 | $82,009 | 42.0 | -22.3% |
| 37853 | Rockford | Standard | 3,365 | $69,075 | 17.1 | -18.3% |
| 37882 | Townsend | Standard | 2,914 | $69,012 | 317.1 | 1.7% |
| 37878 | Tallassee | Standard | 761 | $54,821 | 34.0 | 27.0% |
| 37802 | Maryville | PO Box | — | — | 0.0 | — |