Home > MT > Chouteau County > Big Sandy > Zip 59520

Zip Code 59520 — Big Sandy, MT

59520 is a ZIP Code associated with Big Sandy, MT, located within Chouteau. The postal region supports an estimated population of 1,261 residents across Data Pending housing units, with a population density of 0.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.038220, -109.937490)

Data MetricLocal Statistic
Postal / Zip Code59520
Primary CityBig Sandy
State / ProvinceMT
CountyChouteau
Total Population1,261
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density0.4 people/sq mi
TimezoneAmerica/Denver

How 59520 Compares

MetricZIP 59520Chouteau CountyMT State Average
Population1,2615,0051,117,606
Median IncomeData PendingN/AN/A
Population Density0.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59521Box Elder18.5 mi3,529N/A
Zip 59460Loma26.5 mi178N/A
Zip 59446Geraldine29.7 mi629N/A
Zip 59535Lloyd32.0 mi33N/A
Zip 59442Fort Benton33.7 mi1,838N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →