ZIP Codes of Carroll County, TN

Population & People
Population & People
Total Population
31,887
Household Income
Household Income
Median Income
$55,896
Housing
Housing
Total Housing Units
14,641
Business & Economy
Business & Economy
Total Businesses
473
Employment
Employment
Employment Rate
49.48%
Education
Education
Bachelor's Degree+
18.09%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 13 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:13 ZIP Codes (11 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:731
Timezone:Central (GMT -06:00)
Local Time:11:55:04 PM
Population:31,887 [See All]
FIPS:47017
Land Area:714 sq mi
Water Area:3 sq mi
Coordinates:35.9623, -88.4511
Quick Link:
https://www.zip-codes.com/county/tn-carroll.asp
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Notable income spread
Median income ranges $38,466 to $107,845 across ZIPs — a 2.8× gap.

Standout ZIPs in this County


Most Populous
Mc Kenzie · 10,472 people
32.8% of county total
Highest Income
Buena Vista · $107,845 median
1.9× county average
Largest Land Area
Huntingdon · 176.6 sq mi
Spans the most ground
Fastest Growth
Cedar Grove · 13.9% (10-yr)
2,105 → 2,397 residents
Most Educated
Huntingdon · 22.9% bachelor's+
1,439 of 6,279 adults 25+

Things worth knowing about Carroll County


31,887 residents live across 13 ZIPs covering 714 sq mi, served by 13 distinct USPS-recognized cities.

Population moved from 31,961 to 31,887 from 2014 to 2024 — a -0.2% change. 6 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 38318 (Buena Vista, $107,845 median) and poorest ZIP 38342 (Hollow Rock, $38,466) are 8.8 miles apart — a 2.8× income gap across local geography.

Median home values vary 1.8× across this county — from $98,300 in 38348 (Lavinia) to $177,600 in 38387 (Westport).

Density varies across the county — from 10 people/sq mi in 38318 (Buena Vista) to 73 in 38201 (Mc Kenzie).

Educational attainment ranges from 1.9% bachelor's+ in 38348 (Lavinia) to 27.0% in 38318 (Buena Vista) — the breadth of educational profiles across the area.

Within Tennessee, this is the #47 most populous of 95 counties and ranks #58 for median household income .

Weighted by population, the typical household earns about $50,942 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.1% of adults age 25+ hold a bachelor's degree or higher (3,956 of 21,867 reporting).

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

Stories about Carroll 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
714
square miles
Avg density
44.7
people per sq mi
Population
31,887
across 13 ZIPs
Huntingdon
176.6 sq mi
8,931 residents
Mc Kenzie
143.4 sq mi
10,472 residents
Cedar Grove
91.9 sq mi
2,397 residents

All ZIP Codes in Carroll County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38201Mc KenzieStandard10,472$48,466143.40.0%
38344HuntingdonStandard8,931$54,395176.62.4%
38317BrucetonStandard2,584$41,54535.7-10.9%
38321Cedar GroveStandard2,397$56,47491.913.9%
38220AtwoodStandard1,720$46,79141.3-3.3%
38258TrezevantStandard1,445$50,92127.13.4%
38342Hollow RockStandard1,183$38,46635.1-6.8%
38390YumaStandard1,170$48,02129.022.6%
38348LaviniaStandard975$52,60450.6-28.3%
38387WestportStandard407$61,47741.37.7%
38318Buena VistaStandard404$107,84542.07.7%
38235Mc LemoresvillePO Box199$63,7500.0-19.1%
38324ClarksburgPO Box0.0

Adjacent & Nearby Counties