| ZIP Codes: | 7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 423 / 865 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:45 PM |
| Population: | 38,321 [See All] |
| FIPS: | 47029 |
| CBSA: | Newport, TN |
| Land Area: | 450 sq mi |
| Water Area: | 7 sq mi |
| Coordinates: | 35.9435, -83.1349 |
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38,321 residents live across 7 ZIPs covering 450 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 36,473 to 38,321 from 2014 to 2024 — a +5.1% change. 5 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 37843 (Parrottsville, $58,021 median) and poorest ZIP 37821 (Newport, $44,161) are 9.5 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.0× across this county — from $99,500 in 37753 (Hartford) to $203,500 in 37722 (Cosby).
Density varies 9× across the county — from 18 people/sq mi in 37727 (Del Rio) to 171 in 37821 (Newport).
Educational attainment ranges from 7.0% bachelor's+ in 37713 (Bybee) to 22.2% in 37753 (Hartford) — the breadth of educational profiles across the area.
Within Tennessee, this is the #40 most populous of 95 counties and ranks #77 for median household income with the #48 fastest decade growth .
Weighted by population, the typical household earns about $48,326 across the county — reflecting what a typical resident sees, not a simple ZIP average.
10.7% of adults age 25+ hold a bachelor's degree or higher (2,997 of 27,980 reporting).
6 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 |
|---|---|---|---|---|---|---|
| 37821 | Newport | Standard | 22,909 | $44,161 | 133.9 | 2.8% |
| 37722 | Cosby | Standard | 6,708 | $55,000 | 89.1 | 0.8% |
| 37843 | Parrottsville | Standard | 4,426 | $58,021 | 52.3 | 27.7% |
| 37727 | Del Rio | Standard | 1,936 | $47,652 | 105.3 | -10.3% |
| 37713 | Bybee | Standard | 1,425 | $54,000 | 32.3 | 32.6% |
| 37753 | Hartford | Standard | 917 | $49,375 | 36.9 | 8.5% |
| 37822 | Newport | PO Box | — | — | 0.0 | — |