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Westby town, MT

ZIP Code 59275 — Westby town, MT Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
567
Median Income
$68,594
-9% vs US avg
Home Value
$80,400
-77% vs US avg
Median Rent
$333
-71% vs US avg
Median Age
50.0 yrs
+29% vs US avg
Area Code
Congress
Top Ancestry
GermanNorwegianEnglish
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Location
Coordinates
48.8745, -104.1990
Elevation
2,103 ft
Land Area
381.3 sq mi
Water Area
12.2 sq mi (3% water)

At a glance

Population
567
Density
N/A
Median income
$68,594
-9% vs US avg
Home value
$80,400
-77% vs US avg
Median rent
$333
-71% vs US avg
Timezone

Overview of ZIP Code 59275

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What to know about ZIP 59275

ZIP code 59275 covers Westby, MT in Sheridan County with a population of about 567.

At a glance, the area shows median age of 50.0 versus a U.S. median of about 38.9.

It sits in telephone area codes 406, 701; U.S. House district MT-2; the MINOT - BISMARCK - DICKINSON media market.

Income and economy in Westby, MT

Median household income in ZIP 59275 is about $68,594 — about 9% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 7.2%; unemployment rate near 0.7%; 22.8% of adults with a bachelor’s degree or higher (about 11.0 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Agriculture, and Food services; about 3.8% of workers reporting work-from-home (about 11.4 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 59275

Median home value is about $80,400 — about 77% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $333 (about 71% below the U.S. median rent ($1,163)), and owner-occupancy near 92.9% (about 27.5 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 59275 in Westby, MT, a household would need roughly $22,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $516. That sits below the local median household income ($68,594), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Westby town, MT as Very Low (composite score 15.1), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (51.2) and flood (13.3). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Westby town, MT show little to no average snow and around 14.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 30 for ZIP 59275 (Westby town, MT) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport XWA (47.1 miles (75.8 km)) · Williston State College (56.3 miles (90.5 km)) · Fort Union Trading Post National Historic Site (60.8 miles (97.9 km)) · VA: Plentywood Primary Care Telehealth Outreach Clinic (17.9 miles (28.7 km))

Full lists and map pins are in the Infrastructure section below.