ZIP Codes of Hardin County, TN

Population & People
Population & People
Total Population
24,298
Household Income
Household Income
Median Income
$52,635
Housing
Housing
Total Housing Units
13,693
Business & Economy
Business & Economy
Total Businesses
519
Employment
Employment
Employment Rate
50.12%
Education
Education
Bachelor's Degree+
15.45%
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, 1 PO Box, 0 Unique) [See All]
Area Codes:731 / 931
Timezone:Central (GMT -06:00)
Local Time:2:13:46 PM
Population:24,298 [See All]
FIPS:47071
Land Area:521 sq mi
Water Area:17 sq mi
Coordinates:35.2064, -88.2231
Quick Link:
https://www.zip-codes.com/county/tn-hardin.asp
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Wide geographic spread
ZIPs range from 319.0 sq mi down to 3.14 — a 102× sprawl ratio.

Standout ZIPs in this County


Most Populous
Savannah · 17,873 people
73.6% of county total
Highest Income
Saltillo · $66,218 median
1.3× county average
Largest Land Area
Savannah · 319.0 sq mi
Spans the most ground
Fastest Growth
Morris Chapel · 3.5% (10-yr)
1,055 → 1,092 residents
Most Educated
Counce · 19.1% bachelor's+
387 of 2,030 adults 25+

Things worth knowing about Hardin County


24,298 residents live across 8 ZIPs covering 521 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 23,021 to 24,298 from 2014 to 2024 — a +5.5% change. 6 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 38370 (Saltillo, $66,218 median) and poorest ZIP 38327 (Crump, $39,773) are 11.9 miles apart — a 1.7× income gap across local geography.

Median home values vary 1.6× across this county — from $120,900 in 38370 (Saltillo) to $191,900 in 38326 (Counce).

Density varies 17× across the county — from 13 people/sq mi in 38475 (Olivehill) to 221 in 38327 (Crump).

Educational attainment ranges from 7.7% bachelor's+ in 38327 (Crump) to 23.1% in 38361 (Morris Chapel) — the breadth of educational profiles across the area.

Within Tennessee, this is the #59 most populous of 95 counties and ranks #76 for median household income with the #46 fastest decade growth .

Weighted by population, the typical household earns about $51,733 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.5% of adults age 25+ hold a bachelor's degree or higher (2,725 of 17,635 reporting).

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

Stories about Hardin 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
521
square miles
Avg density
46.7
people per sq mi
Population
24,298
across 8 ZIPs
Savannah
319.0 sq mi
17,873 residents
Olivehill
68.5 sq mi
873 residents
Counce
50.0 sq mi
2,366 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Savannah

All ZIP Codes in Hardin County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38372SavannahStandard17,873$51,053319.02.9%
38326CounceStandard2,366$49,02650.0-3.0%
38361Morris ChapelStandard1,092$60,09746.53.5%
38370SaltilloStandard1,079$66,21823.047.6%
38475OlivehillStandard873$55,79568.512.8%
38327CrumpStandard693$39,7733.184.8%
38376ShilohStandard280$46,48410.837.9%
38365Pickwick DamPO Box420.0-46.2%

Adjacent & Nearby Counties