ZIP Codes of Marshall County, TN

Population & People
Population & People
Total Population
36,903
Household Income
Household Income
Median Income
$65,558
Housing
Housing
Total Housing Units
15,074
Business & Economy
Business & Economy
Total Businesses
588
Employment
Employment
Employment Rate
59.64%
Education
Education
Bachelor's Degree+
22.65%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:931
Timezone:Central (GMT -06:00)
Local Time:2:13:48 PM
Population:36,903 [See All]
FIPS:47117
CBSA:Lewisburg, TN
Land Area:364 sq mi
Water Area:1 sq mi
Coordinates:35.4604, -86.7478
Quick Link:
https://www.zip-codes.com/county/tn-marshall.asp
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Tennessee's #42 most populous county
36,903 residents across 4 ZIPs — #42 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Lewisburg · 24,747 people
67.1% of county total
Highest Income
Chapel Hill · $88,275 median
1.3× county average
Largest Land Area
Lewisburg · 203.9 sq mi
Spans the most ground
Fastest Growth
Lewisburg · 20.5% (10-yr)
20,534 → 24,747 residents
Most Educated
Chapel Hill · 25.1% bachelor's+
1,431 of 5,703 adults 25+

Things worth knowing about Marshall County


36,903 residents live across 4 ZIPs covering 364 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 31,210 to 36,903 from 2014 to 2024 — a +18.2% change. 3 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 37034 (Chapel Hill, $88,275 median) and poorest ZIP 37019 (Belfast, $47,083) are 17.2 miles apart — a 1.9× income gap across local geography.

Median home values vary 1.3× across this county — from $260,100 in 37047 (Cornersville) to $347,100 in 37034 (Chapel Hill).

Density varies across the county — from 24 people/sq mi in 37019 (Belfast) to 122 in 37034 (Chapel Hill).

Educational attainment ranges from 19.2% bachelor's+ in 37047 (Cornersville) to 25.1% in 37034 (Chapel Hill) — the breadth of educational profiles across the area.

Within Tennessee, this is the #42 most populous of 95 counties and ranks #31 for median household income with the #8 fastest decade growth .

Weighted by population, the typical household earns about $68,459 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.7% of adults age 25+ hold a bachelor's degree or higher (5,617 of 24,796 reporting).

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

Stories about Marshall County


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.

Lewisburg

All ZIP Codes in Marshall County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
37091LewisburgStandard24,747$62,184203.920.5%
37034Chapel HillStandard8,867$88,27572.819.1%
37047CornersvilleStandard2,834$64,68867.912.6%
37019BelfastStandard455$47,08318.9-36.2%

Adjacent & Nearby Counties