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Zip Code 59721 — Cardwell, MT

59721 is a ZIP Code associated with Cardwell, MT, located within Jefferson. The postal region supports an estimated population of 423 residents across Data Pending housing units, with a population density of 0.8 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.851890, -111.881770)

Data Metric	Local Statistic
Postal / Zip Code	59721
Primary City	Cardwell
State / Province	MT
County	Jefferson
Total Population	423
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	0.8 people/sq mi
Timezone	America/Denver

How 59721 Compares

Metric	ZIP 59721	Jefferson County	MT State Average
Population	423	13,276	1,117,606
Median Income	Data Pending	N/A	N/A
Population Density	0.8 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 59747	Pony	10.9 mi	122	N/A
Zip 59735	Harrison	13.5 mi	440	N/A
Zip 59759	Whitehall	13.5 mi	3,631	N/A
Zip 59760	Willow Creek	14.7 mi	221	N/A
Zip 59752	Three Forks	17.8 mi	5,404	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 →