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zipcodes.pro — STATE/MT/COUNTY/PRAIRIE

Prairie County, MT ZIP codes

Prairie County, MT has 3 ZIP codes, in 3 towns: 59349, 59326 and 59341.

The county seat is Terry.

ZIP codes
3
Towns
3
County seat
Terry
County FIPS
30079
State
Montana
Population
1,250
Median household income
$51,250
Land area
1,737 sq mi

Prairie County ZIP codes by town

Terry (county seat)
59349

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 Prairie County ZIP codes

The ZIP codes of Prairie 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.

Prairie County in numbers

About 1,250 people live in Prairie County, in 545 households, the 51st most populous of Montana's 56 counties. The median household income is $51,250 a year, 29% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $165,700 (56% below the Montana median), and median gross rent is $627 a month. The median age is 57.8; 26.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 17 minutes.

Population1,250Prairie1,250
Households545Prairie545
Median age57.8Prairie57.8Montana40.4US 38.9
Median household income$51,250Prairie$51,250Montana$72,509US $80,734
Median home value$165,700Prairie$165,700Montana$375,800US $332,700
Median gross rent$627Prairie$627Montana$1,081US $1,413
Bachelor's degree or higher26.9%Prairie26.9%Montana35.2%US 35.7%
Mean commute17.0 minPrairie17.0 minMontana19.1 minUS 26.4 min
Population density1 / sq miPrairie1 / 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 Prairie County

Largest towns in Prairie County
TownZIP codesPopulation
Terry 1 537
Fallon 1 142

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 Prairie County.

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

Every ZIP code in Prairie County, with figures

ZIP codes in Prairie County
ZIP City Type Population Median income Median home
59326 Fallon , MT Standard 233 — $220,100
59341 Mildred , MT No street area — — —
59349 Terry , MT Standard 1,025 $63,000 $158,100

Cite this page

zipcodes.pro. “Prairie County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mt/county/prairie

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