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/MT/COUNTY/FALLON

Fallon County, MT ZIP codes

Fallon County, MT has 3 ZIP codes, in 3 towns: 59313, 59344 and 59354. 1 more crosses into it from a neighbouring county: 59336.

The county seat is Baker.

ZIP codes
3
Partly in it
1 more
Towns
3
County seat
Baker
County FIPS
30025
State
Montana
Population
2,760
Median household income
$76,250
Land area
1,621 sq mi

Fallon County ZIP codes by town

Baker (county seat)
59313

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 Fallon County

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

Map of Fallon County ZIP codes

The ZIP codes of Fallon 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.

Fallon County in numbers

About 2,760 people live in Fallon County, in 1,178 households, the 42nd most populous of Montana's 56 counties. The median household income is $76,250 a year, 5% above the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $244,800 (35% below the Montana median), and median gross rent is $779 a month. The median age is 37.5; 16.2% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 21 minutes.

Population2,760Fallon2,760
Households1,178Fallon1,178
Median age37.5Fallon37.5Montana40.4US 38.9
Median household income$76,250Fallon$76,250Montana$72,509US $80,734
Median home value$244,800Fallon$244,800Montana$375,800US $332,700
Median gross rent$779Fallon$779Montana$1,081US $1,413
Bachelor's degree or higher16.2%Fallon16.2%Montana35.2%US 35.7%
Mean commute21.0 minFallon21.0 minMontana19.1 minUS 26.4 min
Population density2 / sq miFallon2 / 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 Fallon County

Largest towns in Fallon County
TownZIP codesPopulation
Baker 1 1,489
Willard 1 258
Plevna 1 209

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 Fallon County.

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

Every ZIP code in Fallon County, with figures

ZIP codes in Fallon County
ZIP City Type Population Median income Median home
59313 Baker , MT Standard 2,111 $78,015 $231,800
59344 Plevna , MT Standard 406 $110,455 $287,500
59354 Willard , MT Standard 258 $64,074 —

Cite this page

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

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