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Montana ZIP Codes
Jefferson County
Cardwell, MT
59721
59721 ZIP Code — Cardwell, MT
Jefferson County, Montana
ZIP code 59721 is located in
Cardwell ,
Montana ,
within Jefferson County .
It covers approximately 209.55 square miles and serves a population of
462 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 406 .
About ZIP code 59721
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $491,700. Owner-occupancy sits near the national average at 72%.
Median household income is $84,000. The poverty rate of 3% is below the national average. 53% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 32 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.
Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.
Overall, ZIP code 59721 reflects a community defined by a high rate of remote workers and a significant Social Security-dependent population.
59721 ZIP code map
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Cities in ZIP code 59721
Below are the cities the US Postal Service accepts for ZIP code 59721. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
462
Population density
2 / sq mi
State FIPS
30
County FIPS
043
Geography
Land area
209.55 sq mi
Water area
0.23 sq mi
Latitude
45.8219
Longitude
-111.8886
Timezone
Mountain (MT)
Area code
406
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.1%
34.6%
44.2%
$50k – $100k
35.1%
33.8%
32.0%
$100k – $200k
21.3%
28.5%
19.2%
Over $200k
7.4%
3.2%
4.7%
Demographics & statistics
$84,000
Median household income
$491,700
Median home value
34.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 80 17.3%
18 and over 382 82.7%
65 and over 142 30.7%
Median age 56.4 years
Race & ethnicity
American Indian / Alaska Native
0.6%
Group Count %
White 436 93.2%
Two or more races 23 4.9%
Hispanic or Latino 6 1.3%
American Indian / Alaska Native 3 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.1%
34.6%
44.2%
$50k – $100k
35.1%
33.8%
32.0%
$100k – $200k
21.3%
28.5%
19.2%
Over $200k
7.4%
3.2%
4.7%
Range % of households
Under $10k 1.6%
$10k–$15k 1.6%
$15k–$25k 2.6%
$25k–$35k 5.2%
$35k–$50k 10.9%
$50k–$75k 23.4%
$75k–$100k 13.0%
$100k–$150k 24.0%
$150k–$200k 3.6%
$200k+ 14.1%
Median income $84,000
Housing
Housing overview
Metric Value
Median home value $491,700
Median rent / month $864
Owner occupied 71.9%
Renter occupied 28.1%
Vacant 25.6%
Single-family detached 82.2%
Large apartment buildings 0.0%
Mobile homes 17.4%
Median rooms 6.2
Avg household size (owned) 2.44
Year built
Era %
2020 or later 0.0%
2010–2019 9.7%
2000–2009 13.2%
1990–1999 19.8%
1980–1989 14.7%
1970–1979 8.9%
1960–1969 11.6%
1950–1959 2.3%
1940–1949 4.3%
1939 or earlier 15.5%
Bedrooms
Size % of units
No bedroom (studio) 4.7%
1 bedroom 4.7%
2 bedrooms 20.9%
3 bedrooms 46.9%
4 bedrooms 15.1%
5+ bedrooms 7.8%
Vehicles per household
Vehicles % of households
No vehicle 0.5%
1 vehicle 16.7%
2 vehicles 15.6%
3 or more 67.2%
Heating fuel
Fuel type %
Utility gas 12.0%
Electricity 24.0%
Propane / LP gas 43.8%
Wood 19.8%
Households & families
Household type Count %
Married-couple family 138 71.9%
Cohabiting couple 7 3.6%
Male householder, no spouse 24 12.5%
Female householder, no spouse 23 12.0%
Households with children under 18 34 17.7%
Households with seniors (65+) 97 50.5%
Average household size 2.41
Marital status
Status Male Female
Never married 15.5% 8.8%
Married 75.5% 75.6%
Separated 0.5% 0.0%
Widowed 1.0% 9.8%
Divorced 7.5% 5.7%
Education
Some college, no degree
30.2%
Graduate / professional
7.5%
Metric %
HS diploma or higher 97.6%
Bachelor's or higher 34.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 7 8.8%
Elementary school 38 47.5%
High school 18 22.5%
College / grad school 17 21.3%
Employment
Industry of employment
Agriculture & mining
36.4%
Education & healthcare
15.6%
Professional & management
12.0%
Finance & real estate
2.7%
Public administration
2.2%
Arts, food & hospitality
1.8%
Transportation & utilities
1.3%
Occupation
Category %
Management, business & arts 36.4%
Service 8.0%
Sales & office 8.9%
Natural resources & construction 34.2%
Production & transportation 12.4%
Employment type
Type %
Private sector 57.8%
Government 17.3%
Self-employed 13.8%
Unpaid family workers 11.1%
Commute
Method %
Drive alone 56.7%
Carpool 14.3%
Public transit 0.0%
Walk 1.8%
Work from home 27.2%
Other means 0.0%
Avg commute (minutes) 31.7
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 53.1%
Retirement income 34.4%
Supplemental Security 4.7%
Cash public assistance 1.6%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 30.2%
High blood pressure 32.1%
High cholesterol 34.0%
Diabetes 10.3%
Heart disease 7.3%
Stroke 3.3%
Asthma 9.7%
Arthritis 28.8%
Kidney disease 3.1%
Pulmonary disease 7.2%
Cancer 8.1%
Behavior / access %
Smoking 16.6%
Binge drinking 20.4%
No physical activity 20.5%
Less than 7 hrs sleep 29.0%
Depression 21.0%
Fair or poor health 12.7%
Poor mental health 11.9%
Poor physical health 10.8%
No health insurance 10.3%
Visited doctor (checkup) 72.3%
Visited dentist 64.7%
Cholesterol screening 91.2%
Teeth loss 11.7%
Veterans & disability
Veterans Count %
Civilian veterans 20 5.2%
Disability %
Any disability 15.6%
Under 18 5.0%
18–64 years 13.8%
65 and over 24.6%
Health insurance coverage
Type %
Private insurance 74.7%
Public insurance 45.5%
No insurance 8.0%
Uninsured under 19 10.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 442 95.7%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 462 100.0%
Born in same state 457 98.9%
Born in different state 234 50.6%
Foreign born 5 1.1%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 110 23.8%
French 85 18.4%
Arab 46 10%
Polish 28 6.1%
Ancestry Count %
German 15 3.2%
English 10 2.2%
Dutch 4 0.9%
Irish 1 0.2%
Technology access
Metric % of households
Computer access 41.6%
Internet access 95.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 59721
What city is ZIP code 59721 in?
ZIP code 59721 is primarily assigned to Cardwell, Montana.
What county is ZIP code 59721 in?
ZIP code 59721 falls within Jefferson County, Montana.
Does ZIP code 59721 have an older population?
31% of residents in ZIP code 59721 are 65 or older, above the national average of ~17%.
Does ZIP code 59721 have a large retiree population?
53% of households in ZIP code 59721 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 59721?
The median home value in ZIP code 59721 is $491,700.
What is the population of ZIP code 59721?
ZIP code 59721 has an estimated population of 462 residents, with a density of 2 people per square mile.
What timezone is ZIP code 59721 in?
ZIP code 59721 observes the MST timezone.
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