ZIP Codes of Warren County, TN

Population & People
Population & People
Total Population
44,716
Household Income
Household Income
Median Income
$54,177
Housing
Housing
Total Housing Units
19,923
Business & Economy
Business & Economy
Total Businesses
804
Employment
Employment
Employment Rate
53.52%
Education
Education
Bachelor's Degree+
14.43%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:7 ZIP Codes (3 Standard, 4 PO Box, 0 Unique) [See All]
Area Code:931
Timezone:Central (GMT -06:00)
Local Time:11:55:09 PM
Population:44,716 [See All]
FIPS:47177
CBSA:McMinnville, TN
Land Area:600 sq mi
Water Area:1 sq mi
Coordinates:35.6534, -85.7631
Quick Link:
https://www.zip-codes.com/county/tn-warren.asp
Need Warren data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Tennessee's #36 most populous county
44,716 residents across 7 ZIPs — #36 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Mcminnville · 34,296 people
76.7% of county total
Highest Income
Morrison · $59,268 median
1.1× county average
Largest Land Area
Mcminnville · 357.3 sq mi
Spans the most ground
Fastest Growth
Mcminnville · 4.7% (10-yr)
32,751 → 34,296 residents
Most Educated
Morrison · 16.9% bachelor's+
663 of 3,933 adults 25+

Things worth knowing about Warren County


44,716 residents live across 7 ZIPs covering 600 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 43,184 to 44,699 from 2014 to 2024 — a +3.5% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 37357 (Morrison, $59,268 median) and poorest ZIP 37110 (Mcminnville, $52,932) are 13.3 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.2× across this county — from $168,400 in 37357 (Morrison) to $198,000 in 37110 (Mcminnville).

Density varies across the county — from 38 people/sq mi in 38581 (Rock Island) to 96 in 37110 (Mcminnville).

Educational attainment ranges from 13.9% bachelor's+ in 37110 (Mcminnville) to 16.9% in 37357 (Morrison) — the breadth of educational profiles across the area.

Within Tennessee, this is the #36 most populous of 95 counties and ranks #66 for median household income .

Weighted by population, the typical household earns about $54,080 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.4% of adults age 25+ hold a bachelor's degree or higher (4,486 of 31,097 reporting).

3 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Warren 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
600
square miles
Avg density
74.5
people per sq mi
Population
44,716
across 7 ZIPs
Mcminnville
357.3 sq mi
34,296 residents
Morrison
134.6 sq mi
6,210 residents
Rock Island
108.0 sq mi
4,079 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.

Mcminnville

All ZIP Codes in Warren County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
37110McminnvilleStandard34,296$52,932357.34.7%
37357MorrisonStandard6,210$59,268134.6-0.4%
38581Rock IslandStandard4,079$55,985108.0-1.6%
37394ViolaPO Box114$48,5230.0128.0%
38550CampaignPO Box170.0
37378SmarttPO Box0.0
37111McminnvillePO Box0.0

Adjacent & Nearby Counties