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Zip Code 59523 — Chinook, MT

ZIP Code 59523 is associated with Chinook, MT, in Blaine County. The listed population estimate is 2,356; estimated density is 0.6 people per square mile. Among records with population estimates, it ranks #1 of 7 in Blaine County and #78 of 368 in MT.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (48.520130, -109.208290)

Data MetricLocal Statistic
Postal / Zip Code59523
Primary CityChinook
State / ProvinceMT
CountyBlaine
Total Population2,356
Population Density0.6 people/sq mi
TimezoneAmerica/Denver

How 59523 Compares

MetricZIP 59523Blaine County recordsMT records
Population estimate2,3566,690 (sum)1,117,606 (sum)
Population Density0.6 /sq mi----
County population rank#1 of 7----
State population rank#78 of 368----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MT

ZIP CodeCityDistancePopulation estimate
ZIP 59547Zurich16.3 mi51
ZIP 59526Harlem25.2 mi2,319
ZIP 59501Havre29.0 mi12,243
ZIP 59529Hogeland30.4 mi144
ZIP 59521Box Elder38.1 mi3,529

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 →