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Montana ZIP Codes
Cascade County
Great Falls, MT
59405
59405 ZIP Code — Great Falls, MT
Cascade County, Montana
ZIP code 59405 is located in
Great Falls ,
Montana ,
within Cascade County .
It covers approximately 479.39 square miles and serves a population of
34,010 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 406 .
About ZIP code 59405
The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $218,200. Owner-occupancy sits near the national average at 57%.
Median household income is $53,901. 36% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 16 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
Overall, ZIP code 59405 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.
59405 ZIP code map
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Cities in ZIP code 59405
Below are the cities the US Postal Service accepts for ZIP code 59405. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
34,010
Population density
71 / sq mi
State FIPS
30
County FIPS
013
Geography
Land area
479.39 sq mi
Water area
2.76 sq mi
Latitude
47.2994
Longitude
-111.1914
Timezone
Mountain (MT)
Area code
406
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.6%
47.9%
44.2%
$50k – $100k
31.8%
31.8%
32.0%
$100k – $200k
13.0%
16.9%
19.2%
Over $200k
1.7%
3.5%
4.7%
Demographics & statistics
$53,901
Median household income
$218,200
Median home value
26.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7,872 23.1%
18 and over 26,138 76.9%
65 and over 6,019 17.7%
Median age 34.3 years
Race & ethnicity
American Indian / Alaska Native
4.4%
Black or African American
2.6%
Group Count %
White 27,796 78.2%
Two or more races 2,773 7.8%
American Indian / Alaska Native 1,559 4.4%
Hispanic or Latino 1,550 4.4%
Black or African American 931 2.6%
Other race 649 1.8%
Asian 287 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.6%
47.9%
44.2%
$50k – $100k
31.8%
31.8%
32.0%
$100k – $200k
13.0%
16.9%
19.2%
Over $200k
1.7%
3.5%
4.7%
Range % of households
Under $10k 5.2%
$10k–$15k 6.5%
$15k–$25k 8.7%
$25k–$35k 9.7%
$35k–$50k 15.8%
$50k–$75k 20.6%
$75k–$100k 13.0%
$100k–$150k 12.9%
$150k–$200k 4.2%
$200k+ 3.4%
Median income $53,901
Housing
Housing overview
Metric Value
Median home value $218,200
Median rent / month $895
Owner occupied 57.4%
Renter occupied 42.6%
Vacant 8.0%
Single-family detached 56.4%
Large apartment buildings 8.6%
Mobile homes 5.6%
Median rooms 5.7
Avg household size (owned) 2.34
Year built
Era %
2020 or later 1.1%
2010–2019 5.9%
2000–2009 10.3%
1990–1999 6.9%
1980–1989 9.2%
1970–1979 17.1%
1960–1969 17.7%
1950–1959 18.0%
1940–1949 7.0%
1939 or earlier 6.7%
Bedrooms
Size % of units
No bedroom (studio) 3.1%
1 bedroom 11.2%
2 bedrooms 29.5%
3 bedrooms 32.0%
4 bedrooms 16.8%
5+ bedrooms 7.5%
Vehicles per household
Vehicles % of households
No vehicle 7.0%
1 vehicle 38.9%
2 vehicles 34.9%
3 or more 19.3%
Heating fuel
Fuel type %
Utility gas 77.5%
Electricity 16.7%
Propane / LP gas 2.4%
Fuel oil 0.2%
Wood 1.2%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 5,918 42.4%
Cohabiting couple 836 6.0%
Male householder, no spouse 2,883 20.6%
Female householder, no spouse 4,334 31.0%
Households with children under 18 3,848 27.5%
Households with seniors (65+) 4,351 31.1%
Average household size 2.32
Marital status
Status Male Female
Never married 37.2% 25.1%
Married 46.4% 45.1%
Separated 1.6% 2.6%
Widowed 2.5% 11.2%
Divorced 12.4% 16.0%
Education
Some college, no degree
25.5%
Graduate / professional
9.9%
Metric %
HS diploma or higher 93.8%
Bachelor's or higher 26.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 419 5.4%
Kindergarten 439 5.7%
Elementary school 3,419 44.0%
High school 1,537 19.8%
College / grad school 1,952 25.1%
Employment
Industry of employment
Education & healthcare
27.1%
Arts, food & hospitality
12.9%
Professional & management
7.8%
Public administration
6.4%
Finance & real estate
4.5%
Transportation & utilities
4.4%
Agriculture & mining
2.7%
Occupation
Category %
Management, business & arts 34.7%
Service 23.0%
Sales & office 20.1%
Natural resources & construction 9.3%
Production & transportation 13.0%
Employment type
Type %
Private sector 78.9%
Government 16.6%
Self-employed 4.4%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 78.2%
Carpool 13.0%
Public transit 1.0%
Walk 2.0%
Work from home 5.0%
Other means 0.8%
Avg commute (minutes) 16.2
Poverty
Married-couple families
4.6%
Female-led households
26.2%
Income support
Source % of households
Social Security 35.5%
Retirement income 24.7%
Supplemental Security 5.2%
Cash public assistance 2.8%
Food stamps / SNAP 12.1%
Health indicators
Condition %
Obesity 34.3%
High blood pressure 31.0%
High cholesterol 26.9%
Diabetes 9.5%
Heart disease 6.5%
Stroke 3.3%
Asthma 11.4%
Arthritis 26.0%
Kidney disease 3.0%
Pulmonary disease 7.3%
Cancer 6.9%
Behavior / access %
Smoking 18.8%
Binge drinking 18.8%
No physical activity 23.2%
Less than 7 hrs sleep 30.9%
Depression 24.7%
Fair or poor health 14.6%
Poor mental health 14.9%
Poor physical health 11.0%
No health insurance 13.6%
Visited doctor (checkup) 73.6%
Visited dentist 59.7%
Cholesterol screening 84.8%
Teeth loss 16.3%
Veterans & disability
Veterans Count %
Civilian veterans 3,045 12.8%
Disability %
Any disability 16.1%
Under 18 4.7%
18–64 years 13.7%
65 and over 39.8%
Health insurance coverage
Type %
Private insurance 64.4%
Public insurance 44.9%
No insurance 6.5%
Uninsured under 19 2.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 31,585 92.9%
Spanish 308 1.0%
Other Indo-European 215 0.7%
Asian & Pacific Islander 28 0.1%
Other languages 65 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 33,670 99.0%
Born in same state 32,938 96.8%
Born in different state 18,387 54.1%
Foreign born 732 2.2%
Naturalized citizen 340 1.0%
Not a US citizen 168 49.4%
Ancestry
Ancestry Count %
French 4,103 12.1%
Italian 3,862 11.4%
Arab 3,074 9%
Polish 2,276 6.7%
English 339 1%
Ancestry Count %
Dutch 279 0.8%
German 147 0.4%
Irish 113 0.3%
Norwegian 63 0.2%
Technology access
Metric % of households
Computer access 41.1%
Internet access 90.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 59405
What city is ZIP code 59405 in?
ZIP code 59405 is primarily assigned to Great Falls, Montana.
What county is ZIP code 59405 in?
ZIP code 59405 falls within Cascade County, Montana.
Does ZIP code 59405 have a large veteran population?
13% of civilians in ZIP code 59405 are veterans, above the national average of ~7%.
Does ZIP code 59405 have a large retiree population?
36% of households in ZIP code 59405 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 59405?
ZIP code 59405 has an estimated population of 34,010 residents, with a density of 71 people per square mile.
What is the median household income in ZIP code 59405?
The median household income in ZIP code 59405 is $53,901, below the national median of ~$75,000.
What timezone is ZIP code 59405 in?
ZIP code 59405 observes the MST timezone.
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