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Zip Code 59912 — Columbia Falls, MT

59912 is a ZIP Code associated with Columbia Falls, MT, located within Flathead. The postal region supports an estimated population of 15,752 residents across Data Pending housing units, with a population density of 32.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.438790, -114.168980)

Data MetricLocal Statistic
Postal / Zip Code59912
Primary CityColumbia Falls
State / ProvinceMT
CountyFlathead
Total Population15,752
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density32.2 people/sq mi
TimezoneAmerica/Denver

How 59912 Compares

MetricZIP 59912Flathead CountyMT State Average
Population15,752104,2571,117,606
Median IncomeData PendingN/AN/A
Population Density32.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59919Hungry Horse6.7 mi679N/A
Zip 59926Martin City9.2 mi268N/A
Zip 59913Coram10.2 mi582N/A
Zip 59937Whitefish15.1 mi15,114N/A
Zip 59901Kalispell18.1 mi63,161N/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 →