ZIP Codes of Decatur County, TN

Population & People
Population & People
Total Population
12,038
Household Income
Household Income
Median Income
$52,933
Housing
Housing
Total Housing Units
7,032
Business & Economy
Business & Economy
Total Businesses
248
Employment
Employment
Employment Rate
47.85%
Education
Education
Bachelor's Degree+
12.88%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:731 / 931
Timezone:Central (GMT -06:00)
Local Time:2:13:45 PM
Population:12,038 [See All]
FIPS:47039
Land Area:344 sq mi
Water Area:11 sq mi
Coordinates:35.5939, -88.1166
Quick Link:
https://www.zip-codes.com/county/tn-decatur.asp
Need Decatur data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Tennessee's #83 most populous county
12,038 residents across 5 ZIPs — #83 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Parsons · 5,808 people
48.2% of county total
Highest Income
Bath Springs · $68,203 median
1.3× county average
Largest Land Area
Decaturville · 110.9 sq mi
Spans the most ground
Fastest Growth
Parsons · -1.2% (10-yr)
5,876 → 5,808 residents
Most Educated
Parsons · 12.2% bachelor's+
522 of 4,266 adults 25+

Things worth knowing about Decatur County


12,038 residents live across 5 ZIPs covering 344 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 12,637 to 12,038 from 2014 to 2024 — a -4.7% change. 0 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 38311 (Bath Springs, $68,203 median) and poorest ZIP 38374 (Scotts Hill, $38,389) are 7.5 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.7× across this county — from $116,000 in 38374 (Scotts Hill) to $191,700 in 38311 (Bath Springs).

Density varies across the county — from 13 people/sq mi in 38311 (Bath Springs) to 65 in 38363 (Parsons).

Educational attainment ranges from 8.2% bachelor's+ in 38374 (Scotts Hill) to 32.5% in 38311 (Bath Springs) — the breadth of educational profiles across the area.

Within Tennessee, this is the #83 most populous of 95 counties and ranks #75 for median household income .

Weighted by population, the typical household earns about $47,603 across the county — reflecting what a typical resident sees, not a simple ZIP average.

12.9% of adults age 25+ hold a bachelor's degree or higher (1,141 of 8,858 reporting).

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

All ZIP Codes in Decatur County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38363ParsonsStandard5,808$43,70489.2-1.2%
38329DecaturvilleStandard3,166$53,052110.9-3.9%
38374Scotts HillStandard1,815$38,38946.2-8.0%
38311Bath SpringsStandard724$68,20357.1-23.4%
38380Sugar TreeStandard525$61,31940.3-4.2%

Adjacent & Nearby Counties