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

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zipcodes.pro — STATE/TN/COUNTY/SUMNER

Sumner County, TN ZIP codes

There are 9 ZIP codes in Sumner County, TN, in 8 towns, from 37022 to 37186. The largest are 37075 (Hendersonville), 37066 (Gallatin) and 37148 (Portland). 1 more crosses into it from a neighbouring county: 37072.

The county seat is Gallatin.

ZIP codes
9
Partly in it
1 more
Towns
8
County seat
Gallatin
County FIPS
47165
Population
204,424
Median household income
$90,301
Land area
529 sq mi
Area codes
615, 629

Sumner County ZIP codes by town

Gallatin (county seat)
37066

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.

ZIP codes partly in Sumner County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Sumner County.

Map of Sumner County ZIP codes

370223703137048370663707537077371193714837186

The ZIP codes of Sumner 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.

Sumner County in numbers

About 204,424 people live in Sumner County, in 78,582 households, the 8th most populous of Tennessee's 95 counties. The median household income is $90,301 a year, 30% above the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $393,100 (37% above the Tennessee median), and median gross rent is $1,424 a month. The median age is 39.8; 33.6% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 29 minutes.

Population204,424Sumner204,424
Households78,582Sumner78,582
Median age39.8Sumner39.8Tennessee38.9US 38.9
Median household income$90,301Sumner$90,301Tennessee$69,595US $80,734
Median home value$393,100Sumner$393,100Tennessee$286,700US $332,700
Median gross rent$1,424Sumner$1,424Tennessee$1,189US $1,413
Bachelor's degree or higher33.6%Sumner33.6%Tennessee31.1%US 35.7%
Mean commute29.0 minSumner29.0 minTennessee25.7 minUS 26.4 min
Population density386 / sq miSumner386 / 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 Sumner County

Largest towns in Sumner County
TownZIP codesPopulation
Hendersonville 2 63,091
Gallatin 1 48,532
Portland 1 13,449
Westmoreland 1 2,845
Castalian Springs 1 678
Cottontown 1 374
Bethpage 1 289
Mitchellville 1 176

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 Sumner County.

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

Every ZIP code in Sumner County, with figures

ZIP codes in Sumner County
ZIP City Type Population Median income Median home
37022 Bethpage , TN Standard 5,728 $79,375 $287,900
37031 Castalian Springs , TN Standard 3,926 $98,114 $352,600
37048 Cottontown , TN Standard 6,380 $100,446 $434,400
37066 Gallatin , TN Standard 64,650 $81,614 $405,400
37075 Hendersonville , TN Standard 73,522 $101,850 $440,800
37077 Hendersonville , TN No street area — — —
37119 Mitchellville , TN No street area — — —
37148 Portland , TN Standard 26,274 $81,633 $295,000
37186 Westmoreland , TN Standard 10,709 $59,545 $221,500

Cite this page

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

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