Home > MT > Lewis and Clark County > Helena > Zip 59601

Zip Code 59601 — Helena, MT

59601 is a ZIP Code associated with Helena, MT, located within Lewis and Clark. The postal region supports an estimated population of 31,728 residents across Data Pending housing units, with a population density of 94.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.541990, -112.174740)

Data MetricLocal Statistic
Postal / Zip Code59601
Primary CityHelena
State / ProvinceMT
CountyLewis and Clark
Total Population31,728
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density94.1 people/sq mi
TimezoneAmerica/Denver

How 59601 Compares

MetricZIP 59601Lewis and Clark CountyMT State Average
Population31,72873,9281,117,606
Median IncomeData PendingN/AN/A
Population Density94.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59636Fort Harrison5.9 mi32N/A
Zip 59623Helena7.2 miN/AN/A
Zip 59625Helena7.6 mi663N/A
Zip 59634Clancy10.7 mi5,521N/A
Zip 59728Elliston11.5 mi394N/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 →