Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/TN/COUNTY/MONROE

Monroe County, TN ZIP codes

Monroe County, TN has 5 ZIP codes, in 5 towns: 37354, 37874, 37385, 37885 and 37314.

The county seat is Madisonville.

ZIP codes
5
Towns
5
County seat
Madisonville
County FIPS
47123
Population
47,695
Median household income
$56,895
Land area
636 sq mi

Monroe County ZIP codes by town

Madisonville (county seat)
37354

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Monroe County ZIP codes

The ZIP codes of Monroe County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Monroe County in numbers

About 47,695 people live in Monroe County, in 19,714 households, the 34th most populous of Tennessee's 95 counties. The median household income is $56,895 a year, 18% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $227,500 (21% below the Tennessee median), and median gross rent is $714 a month. The median age is 45.2; 17.1% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 28 minutes.

Population47,695Monroe47,695
Households19,714Monroe19,714
Median age45.2Monroe45.2Tennessee38.9US 38.9
Median household income$56,895Monroe$56,895Tennessee$69,595US $80,734
Median home value$227,500Monroe$227,500Tennessee$286,700US $332,700
Median gross rent$714Monroe$714Tennessee$1,189US $1,413
Bachelor's degree or higher17.1%Monroe17.1%Tennessee31.1%US 35.7%
Mean commute28.3 minMonroe28.3 minTennessee25.7 minUS 26.4 min
Population density75 / sq miMonroe75 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Monroe County

Largest towns in Monroe County
TownZIP codesPopulation
Sweetwater 1 6,532
Madisonville 1 5,241
Vonore 1 2,191
Tellico Plains 1 1,146

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Monroe County.

Not sure you are in Monroe County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Monroe County, with figures

ZIP codes in Monroe County
ZIP City Type Population Median income Median home
37314 Cokercreek , TN No street area — — —
37354 Madisonville , TN Standard 17,356 $54,550 $231,800
37385 Tellico Plains , TN Standard 9,015 $60,472 $217,300
37874 Sweetwater , TN Standard 16,567 $53,605 $191,300
37885 Vonore , TN Standard 6,271 $78,793 $335,100

Cite this page

zipcodes.pro. “Monroe County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/monroe

Underlying data is public domain or openly licensed — sources, vintages and licences.