ZIP Codes of Monroe County, TN

Population & People
Population & People
Total Population
49,209
Household Income
Household Income
Median Income
$61,855
Housing
Housing
Total Housing Units
22,218
Business & Economy
Business & Economy
Total Businesses
775
Employment
Employment
Employment Rate
48.68%
Education
Education
Bachelor's Degree+
16.73%
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 (4 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:423 / 865
Timezone:Eastern (GMT -05:00)
Local Time:2:13:48 PM
Population:49,209 [See All]
FIPS:47123
Land Area:651 sq mi
Water Area:17 sq mi
Coordinates:35.4393, -84.2961
Quick Link:
https://www.zip-codes.com/county/tn-monroe.asp
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Tennessee's #34 most populous county
49,209 residents across 5 ZIPs — #34 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Madisonville · 17,356 people
35.3% of county total
Highest Income
Vonore · $78,793 median
1.3× county average
Largest Land Area
Tellico Plains · 253.9 sq mi
Spans the most ground
Fastest Growth
Vonore · 29.8% (10-yr)
4,831 → 6,271 residents
Most Educated
Vonore · 28.8% bachelor's+
1,525 of 5,293 adults 25+

Things worth knowing about Monroe County


49,209 residents live across 5 ZIPs covering 651 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 44,143 to 49,209 from 2014 to 2024 — a +11.5% change. 4 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 37885 (Vonore, $78,793 median) and poorest ZIP 37874 (Sweetwater, $53,605) are 19.7 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.8× across this county — from $191,300 in 37874 (Sweetwater) to $335,100 in 37885 (Vonore).

Density varies across the county — from 36 people/sq mi in 37385 (Tellico Plains) to 160 in 37874 (Sweetwater).

Educational attainment ranges from 13.6% bachelor's+ in 37874 (Sweetwater) to 28.8% in 37885 (Vonore) — the breadth of educational profiles across the area.

Within Tennessee, this is the #34 most populous of 95 counties and ranks #45 for median household income with the #18 fastest decade growth .

Weighted by population, the typical household earns about $58,406 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.7% of adults age 25+ hold a bachelor's degree or higher (5,965 of 35,647 reporting).

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

Stories about Monroe 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
651
square miles
Avg density
75.6
people per sq mi
Population
49,209
across 5 ZIPs
Tellico Plains
253.9 sq mi
9,015 residents
Vonore
175.5 sq mi
6,271 residents
Madisonville
118.4 sq mi
17,356 residents

All ZIP Codes in Monroe County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
37354MadisonvilleStandard17,356$54,550118.42.0%
37874SweetwaterStandard16,567$53,605103.515.5%
37385Tellico PlainsStandard9,015$60,472253.913.4%
37885VonoreStandard6,271$78,793175.529.8%
37314Coker CreekPO Box0.0

Adjacent & Nearby Counties