US5.com
  1. Home
  2. States
  3. Montana
  4. ZIP 59520
Big Sandy town, MT

ZIP Code 59520 — Big Sandy town, MT Demographics & Data

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

Working ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
1,211
Median Income
$58,667
-22% vs US avg
Home Value
$123,900
-64% vs US avg
Median Rent
$508
-56% vs US avg
Median Age
40.2 yrs
+3% vs US avg
Area Code
Congress
Top Ancestry
GermanAmericanNorwegian
Scroll to load map
Location
Coordinates
48.0381, -109.9318
Elevation
2,770 ft
Land Area
1084.2 sq mi
Water Area
4.7 sq mi (0% water)

At a glance

Population
1,211
Density
N/A
Median income
$58,667
-22% vs US avg
Home value
$123,900
-64% vs US avg
Median rent
$508
-56% vs US avg
Timezone

Overview of ZIP Code 59520

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Big Sandy town, MT (ZIP 59520)

What to know about ZIP 59520

ZIP code 59520 covers Big Sandy, MT in Chouteau County with a population of about 1,211.

At a glance, the area shows median age of 40.2 (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 Big Sandy, MT

Median household income in ZIP 59520 is about $58,667 — about 22% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 8.0%; unemployment rate near 8.0%; 18.0% of adults with a bachelor’s degree or higher (about 15.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Agriculture, Healthcare, and Retail trade; about 19.1% of workers reporting work-from-home (about 3.9 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 59520

Median home value is about $123,900 — about 64% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $508 (about 56% below the U.S. median rent ($1,163)), and owner-occupancy near 60.4% (about 5.0 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 59520 in Big Sandy, MT, a household would need roughly $34,000 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 $796. That sits below the local median household income ($58,667), 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 Big Sandy town, MT as Very Low (composite score 39.5), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (72.6) and flood (50.4). 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 Big Sandy town, MT show little to no average snow and around 13.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 64 for ZIP 59520 (Big Sandy 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 HVR (35.6 miles (57.3 km)) · Stone Child College (17.6 miles (28.4 km)) · Grant-Kohrs Ranch National Historic Site (173.3 miles (278.9 km)) · VA: VA Montana Health Care System, Havre CBOC (36.5 miles (58.7 km))

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