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Fairfield town, MT

ZIP Code 59436 — Fairfield town, MT Demographics & Data

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

Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
2,093
Median Income
$78,047
+4% vs US avg
Home Value
$271,700
-22% vs US avg
Median Rent
$613
-47% vs US avg
Median Age
38.4 yrs
-1% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishAmerican
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Location
Coordinates
47.6120, -112.0469
Elevation
3,983 ft
Land Area
263.2 sq mi
Water Area
7.1 sq mi (3% water)

At a glance

Population
2,093
Density
N/A
Median income
$78,047
+4% vs US avg
Home value
$271,700
-22% vs US avg
Median rent
$613
-47% vs US avg
Timezone

Overview of ZIP Code 59436

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What to know about ZIP 59436

ZIP code 59436 covers Fairfield, MT in Teton County with a population of about 2,093.

At a glance, the area shows median age of 38.4 (near the U.S. median).

It sits in telephone area code 406; U.S. House district MT-2; the GREAT FALLS media market.

Income and economy in Fairfield, MT

Median household income in ZIP 59436 is about $78,047 — about 4% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.9%; unemployment rate near 2.4%; 26.5% of adults with a bachelor’s degree or higher (about 7.2 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Healthcare, and Education; about 18.8% of workers reporting work-from-home (about 3.6 points above 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 59436

Median home value is about $271,700 — about 22% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $613 (about 47% below the U.S. median rent ($1,163)), and owner-occupancy near 78.1% (about 12.7 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 59436 in Fairfield, MT, a household would need roughly $75,000 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 $1,745. That is roughly in line with the local median household income ($78,047). 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 Fairfield town, MT as Very Low (composite score 19.0), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (73.5) and flood (32.2). 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 Fairfield town, MT show little to no average snow and around 12.4 inches of annual precipitation.

IRS migration statistics show a net inflow of about 111 for ZIP 59436 (Fairfield 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 GTF (32.8 miles (52.8 km)) · University of Providence (37.2 miles (59.8 km)) · Grant-Kohrs Ranch National Historic Site (89.1 miles (143.4 km)) · VA: Great Falls VA Community Based Outpatient Clinic (36.2 miles (58.3 km))

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