Home > MT > Lewis and Clark County > Helena > Zip 59623

Zip Code 59623 — Helena, MT

59623 is a ZIP Code associated with Helena, MT, located within Lewis and Clark. The postal region supports an estimated population of Data Pending residents across Data Pending housing units, with a population density of Data Pending people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.589910, -112.040680)

Data MetricLocal Statistic
Postal / Zip Code59623
Primary CityHelena
State / ProvinceMT
CountyLewis and Clark
Total PopulationData Pending
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population DensityData Pending people/sq mi
TimezoneAmerica/Denver

How 59623 Compares

MetricZIP 59623Lewis and Clark CountyMT State Average
PopulationData Pending73,9281,117,606
Median IncomeData PendingN/AN/A
Population DensityData Pending /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 59625Helena0.8 mi663N/A
Zip 59636Fort Harrison3.9 mi32N/A
Zip 59601Helena7.2 mi31,728N/A
Zip 59634Clancy10.7 mi5,521N/A
Zip 59635East Helena10.9 mi8,292N/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 →