ZIP Codes of Polk County, TN

Population & People
Population & People
Total Population
2,607
Household Income
Household Income
Median Income
$49,375
Housing
Housing
Total Housing Units
1,517
Business & Economy
Business & Economy
Total Businesses
295
Employment
Employment
Employment Rate
57.53%
Education
Education
Bachelor's Degree+
9.48%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (8 Standard, 2 PO Box, 0 Unique) [See All]
Area Codes:423 / 706 / 762
Timezone:Eastern (GMT -05:00)
Local Time:2:13:48 PM
Population:2,607 [See All]
FIPS:47139
CBSA:Cleveland, TN
Land Area:442 sq mi
Water Area:6 sq mi
Coordinates:34.9674, -84.4307
Quick Link:
https://www.zip-codes.com/county/tn-polk.asp
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Notable income spread
Median income ranges $26,786 to $84,545 across ZIPs — a 3.2× gap.

Standout ZIPs in this County


Most Populous
Benton · 5,302 people
28.4% of county total
Highest Income
Ocoee · $84,545 median
1.4× county average
Largest Land Area
Reliance · 117.7 sq mi
Spans the most ground
Fastest Growth
Ocoee · 72.7% (10-yr)
1,254 → 2,166 residents
Most Educated
Turtletown · 23.0% bachelor's+
241 of 1,050 adults 25+

Things worth knowing about Polk County


18,654 residents live across 10 ZIPs covering 442 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 17,085 to 18,654 from 2014 to 2024 — a +9.2% change. 5 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 37361 (Ocoee, $84,545 median) and poorest ZIP 37333 (Farner, $26,786) are 19.4 miles apart — a 3.2× income gap across local geography.

Median home values vary 1.9× across this county — from $114,700 in 37369 (Reliance) to $220,300 in 37307 (Benton).

Density varies 17× across the county — from 6 people/sq mi in 37369 (Reliance) to 102 in 37361 (Ocoee).

Educational attainment ranges from 8.6% bachelor's+ in 37326 (Ducktown) to 23.0% in 37391 (Turtletown) — the breadth of educational profiles across the area.

Within Tennessee, this is the #154 most populous of 161 counties and ranks #139 for median household income with the #25 fastest decade growth .

Weighted by population, the typical household earns about $65,194 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.1% of adults age 25+ hold a bachelor's degree or higher (2,210 of 13,705 reporting).

8 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Polk County


Two counties in one

Median household income spans 3.2× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Ocoee
Median income: $84,545
Population: 2,166
Bachelor's+: 22.1%
vs
Poorest ZIP (pop >= 500)
Farner
Median income: $26,786
Population: 513
Bachelor's+: 10.7%
For every $1 of household income in 37333, the typical household in 37361 earns $3.16.

All ZIP Codes in Polk County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
37307BentonStandard5,302$73,85457.75.0%
37362Old FortStandard3,430$52,01961.411.8%
37317CopperhillStandard2,582$72,371114.4-9.1%
37361OcoeeStandard2,166$84,54521.372.7%
37325DelanoStandard2,007$66,20423.236.0%
37391TurtletownStandard1,530$39,46426.18.1%
37369RelianceStandard713$59,408117.7-11.9%
37333FarnerStandard513$26,78620.3-31.4%
37326DucktownPO Box4110.0-3.1%
37316ConasaugaPO Box00.0

Adjacent & Nearby Counties