ZIP Codes of Weakley County, TN

Population & People
Population & People
Total Population
30,983
Household Income
Household Income
Median Income
$54,402
Housing
Housing
Total Housing Units
14,199
Business & Economy
Business & Economy
Total Businesses
582
Employment
Employment
Employment Rate
53.23%
Education
Education
Bachelor's Degree+
23.48%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (7 Standard, 0 PO Box, 1 Unique) [See All]
Area Code:731
Timezone:Central (GMT -06:00)
Local Time:2:13:49 PM
Population:30,983 [See All]
FIPS:47183
CBSA:Martin, TN
Land Area:519 sq mi
Water Area:1 sq mi
Coordinates:36.3209, -88.7320
Quick Link:
https://www.zip-codes.com/county/tn-weakley.asp
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Tennessee's #49 most populous county
30,983 residents across 8 ZIPs — #49 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Martin · 15,627 people
50.4% of county total
Highest Income
Palmersville · $64,125 median
1.2× county average
Largest Land Area
Martin · 132.7 sq mi
Spans the most ground
Fastest Growth
Greenfield · 1.1% (10-yr)
3,723 → 3,765 residents
Most Educated
Martin · 29.0% bachelor's+
2,602 of 8,966 adults 25+

Things worth knowing about Weakley County


30,983 residents live across 8 ZIPs covering 519 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 32,684 to 30,983 from 2014 to 2024 — a -5.2% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 38241 (Palmersville, $64,125 median) and poorest ZIP 38255 (Sharon, $45,990) are 18.8 miles apart — a 1.4× income gap across local geography.

Median home values vary 2.0× across this county — from $98,600 in 38230 (Greenfield) to $200,900 in 38237 (Martin).

Density varies 14× across the county — from 8 people/sq mi in 38226 (Dukedom) to 118 in 38237 (Martin).

Educational attainment ranges from 11.1% bachelor's+ in 38226 (Dukedom) to 29.0% in 38237 (Martin) — the breadth of educational profiles across the area.

Within Tennessee, this is the #49 most populous of 95 counties and ranks #65 for median household income .

Hosts 1 single-entity Unique ZIP: 38238University Of Tn .

Weighted by population, the typical household earns about $52,371 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.5% of adults age 25+ hold a bachelor's degree or higher (4,657 of 19,835 reporting).

7 Standard delivery, 0 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Weakley County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
519
square miles
Avg density
59.7
people per sq mi
Population
30,983
across 8 ZIPs
Martin
132.7 sq mi
15,627 residents
Dresden
107.2 sq mi
5,881 residents
Greenfield
87.9 sq mi
3,765 residents

Population decline

Weakley County lost 5.2% of residents between 2014 and 2024. ZIPs that shed the largest share:

Dresden
-10.2%
6,549 → 5,881 residents

All ZIP Codes in Weakley County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38237MartinStandard15,627$51,670132.7-4.7%
38225DresdenStandard5,881$50,545107.2-10.2%
38230GreenfieldStandard3,765$55,36587.91.1%
38229GleasonStandard2,378$58,71559.0-7.3%
38255SharonStandard2,271$45,99047.6-7.8%
38241PalmersvilleStandard835$64,12557.40.1%
38226DukedomStandard22626.743.9%
38238MartinUnique0.9

Adjacent & Nearby Counties