Home > MT > Lewis and Clark County > Helena > Zip 59602

Zip Code 59602 — Helena, MT

59602 is a ZIP Code associated with Helena, MT, located within Lewis and Clark. The postal region supports an estimated population of 30,754 residents across Data Pending housing units, with a population density of 22.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.735770, -111.907530)

Data MetricLocal Statistic
Postal / Zip Code59602
Primary CityHelena
State / ProvinceMT
CountyLewis and Clark
Total Population30,754
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density22.6 people/sq mi
TimezoneAmerica/Denver

How 59602 Compares

MetricZIP 59602Lewis and Clark CountyMT State Average
Population30,75473,9281,117,606
Median IncomeData PendingN/AN/A
Population Density22.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59625Helena11.2 mi663N/A
Zip 59623Helena11.9 miN/AN/A
Zip 59636Fort Harrison12.8 mi32N/A
Zip 59635East Helena13.2 mi8,292N/A
Zip 59601Helena18.4 mi31,728N/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 →