Home > MT > Ravalli County > Hamilton > Zip 59840

Zip Code 59840 — Hamilton, MT

ZIP Code 59840 is associated with Hamilton, MT, in Ravalli County. The listed population estimate is 15,679; estimated density is 11.3 people per square mile. Among records with population estimates, it ranks #1 of 9 in Ravalli County and #19 of 368 in MT.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.175580, -114.116740)

Data MetricLocal Statistic
Postal / Zip Code59840
Primary CityHamilton
State / ProvinceMT
CountyRavalli
Total Population15,679
Population Density11.3 people/sq mi
TimezoneAmerica/Denver

How 59840 Compares

MetricZIP 59840Ravalli County recordsMT records
Population estimate15,67947,733 (sum)1,117,606 (sum)
Population Density11.3 /sq mi----
County population rank#1 of 9----
State population rank#19 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 59841Pinesdale12.1 mi833
ZIP 59828Corvallis13.2 mi5,827
ZIP 59875Victor17.5 mi3,764
ZIP 59827Conner20.0 mi371
ZIP 59870Stevensville23.7 mi12,506

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 →