Home > MT > Lewis and Clark County > Fort Harrison > Zip 59636

Zip Code 59636 — Fort Harrison, MT

59636 is a ZIP Code associated with Fort Harrison, MT, located within Lewis and Clark. The postal region supports an estimated population of 32 residents across Data Pending housing units, with a population density of 3.8 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.616140, -112.113990)

Data Metric	Local Statistic
Postal / Zip Code	59636
Primary City	Fort Harrison
State / Province	MT
County	Lewis and Clark
Total Population	32
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	3.8 people/sq mi
Timezone	America/Denver

How 59636 Compares

Metric	ZIP 59636	Lewis and Clark County	MT State Average
Population	32	73,928	1,117,606
Median Income	Data Pending	N/A	N/A
Population Density	3.8 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 59625	Helena	3.7 mi	663	N/A
Zip 59623	Helena	3.9 mi	N/A	N/A
Zip 59601	Helena	5.9 mi	31,728	N/A
Zip 59602	Helena	12.8 mi	30,754	N/A
Zip 59634	Clancy	13.4 mi	5,521	N/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 →