59421 ZIP Code — Cascade, MT

Cascade County, Montana

ZIP code 59421 is located in Cascade, Montana, within Cascade County. It covers approximately 746.58 square miles and serves a population of 2,025 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59421

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $323,900. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($69,563) and mean household income suggests income inequality — a small number of higher earners pull the average up. 47% 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 29 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 59421 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

2,025

population

746.58

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59421 ZIP code map

Cities in ZIP code 59421

Below are the cities the US Postal Service accepts for ZIP code 59421. Using any city not on this list may result in mail delivery delays.

City	Status
Cascade	Preferred

Nearby ZIP codes

59483 Sun River (16.1 mi) 59648 Wolf Creek (20 mi)

Demographics updated 06/2026

Population
Total population	2,025
Population density	3 / sq mi
State FIPS	30
County FIPS	013

Geography
Land area	746.58 sq mi
Water area	4.62 sq mi
Latitude	47.2154
Longitude	-111.7173
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.9%	47.9%	44.2%
$50k – $100k	34.0%	31.8%	32.0%
$100k – $200k	18.6%	16.9%	19.2%
Over $200k	6.4%	3.5%	4.7%

Demographics & statistics

2,025

Population

People per sq mi

52.8

Median age

$69,563

Median household income

$54,173

Per capita income

$323,900

Median home value

$883

Median monthly rent

81.9%

Home ownership

10.7%

Poverty rate

5.9%

Unemployment

1,353

Housing units

30.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

116

35–44

112

123

45–54

120

55–59

114

60–64

111

227

65–74

221

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	308	15.2%
18 and over	1,717	84.8%
65 and over	603	29.8%
Median age	52.8 years

Race & ethnicity

White 88.7%

Two or more races 5.2%

Hispanic or Latino 4%

American Indian / Alaska Native 1.1%

Other race 1%

Group	Count	%
White	1,871	88.7%
Two or more races	109	5.2%
Hispanic or Latino	84	4%
American Indian / Alaska Native	23	1.1%
Other race	22	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.9%	47.9%	44.2%
$50k – $100k	34.0%	31.8%	32.0%
$100k – $200k	18.6%	16.9%	19.2%
Over $200k	6.4%	3.5%	4.7%

Under $10k 4.9%

$10k–$15k 2.3%

$15k–$25k 6.7%

$25k–$35k 9.0%

$35k–$50k 9.4%

$50k–$75k 19.6%

$75k–$100k 12.3%

$100k–$150k 15.8%

$150k–$200k 5.8%

$200k+ 14.3%

Range	% of households
Under $10k	4.9%
$10k–$15k	2.3%
$15k–$25k	6.7%
$25k–$35k	9.0%
$35k–$50k	9.4%
$50k–$75k	19.6%
$75k–$100k	12.3%
$100k–$150k	15.8%
$150k–$200k	5.8%
$200k+	14.3%
Median income	$69,563

Housing

Home values

Under $50k 6.5%

$50k–$100k 7.3%

$100k–$150k 7.8%

$150k–$200k 9.4%

$200k–$300k 13.5%

$300k–$500k 31.9%

$500k–$1M 13.9%

$1M+ 9.9%

Housing overview

Metric	Value
Median home value	$323,900
Median rent / month	$883
Owner occupied	81.9%
Renter occupied	18.1%
Vacant	39.1%
Single-family detached	81.4%
Large apartment buildings	0.0%
Mobile homes	15.1%
Median rooms	5.5
Avg household size (owned)	2.15

Year built

Era	%
2020 or later	1.8%
2010–2019	8.4%
2000–2009	12.2%
1990–1999	16.1%
1980–1989	13.6%
1970–1979	17.4%
1960–1969	7.1%
1950–1959	6.6%
1940–1949	4.7%
1939 or earlier	12.2%

Bedrooms

Size	% of units
No bedroom (studio)	4.3%
1 bedroom	16.9%
2 bedrooms	21.8%
3 bedrooms	35.3%
4 bedrooms	18.0%
5+ bedrooms	3.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	23.9%
2 vehicles	36.5%
3 or more	37.3%

Heating fuel

Fuel type	%
Utility gas	21.9%
Electricity	15.9%
Propane / LP gas	51.6%
Wood	9.7%
Solar	0.9%

Households & families

Household type	Count	%
Married-couple family	460	49.7%
Cohabiting couple	161	17.4%
Male householder, no spouse	134	14.5%
Female householder, no spouse	170	18.4%
Households with children under 18	175	18.9%
Households with seniors (65+)	397	42.9%
Average household size	2.12

Marital status

Status	Male	Female
Never married	29.4%	16.6%
Married	51.4%	52.2%
Separated	2.0%	0.9%
Widowed	3.3%	14.3%
Divorced	13.9%	15.9%

Education

Less than 9th grade 2.9%

Some HS, no diploma 6.0%

HS graduate 31.4%

Some college, no degree 22.5%

Associate's degree 7.1%

Bachelor's degree 20.2%

Graduate / professional 9.8%

Metric	%
HS diploma or higher	91.1%
Bachelor's or higher	30.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	1.3%
Kindergarten	11	3.6%
Elementary school	162	53.6%
High school	99	32.8%
College / grad school	26	8.6%

Employment

Industry of employment

Education & healthcare 24.1%

Agriculture & mining 15.0%

Construction 10.5%

Arts, food & hospitality 9.9%

Retail trade 8.6%

Public administration 8.5%

Professional & management 7.1%

Transportation & utilities 3.6%

Wholesale trade 3.4%

Other services 3.2%

Finance & real estate 2.8%

Manufacturing 2.3%

Information 0.9%

Occupation

Category	%
Management, business & arts	48.0%
Service	16.7%
Sales & office	12.4%
Natural resources & construction	16.1%
Production & transportation	6.8%

Employment type

Type	%
Private sector	66.8%
Government	18.7%
Self-employed	14.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.0%
Carpool	2.9%
Public transit	0.2%
Walk	9.5%
Work from home	15.1%
Other means	0.2%
Avg commute (minutes)	28.5

Poverty

All people 10.7%

Under 18 years 13.1%

18 and over 10.3%

Married-couple families 5.9%

Female-led households 21.1%

Income support

Source	% of households
Social Security	47.0%
Retirement income	34.5%
Supplemental Security	2.4%
Cash public assistance	0.9%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
Obesity	35.7%
High blood pressure	39.0%
High cholesterol	35.4%
Diabetes	12.4%
Heart disease	8.6%
Stroke	4.0%
Asthma	10.6%
Arthritis	33.5%
Kidney disease	3.7%
Pulmonary disease	8.8%
Cancer	9.2%

Behavior / access	%
Smoking	17.6%
Binge drinking	15.5%
No physical activity	23.5%
Less than 7 hrs sleep	29.5%
Depression	22.7%
Fair or poor health	15.5%
Poor mental health	12.2%
Poor physical health	12.2%
No health insurance	10.7%
Visited doctor (checkup)	77.7%
Visited dentist	63.1%
Cholesterol screening	91.7%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	242	14.1%

Disability	%
Any disability	16.8%
Under 18	6.8%
18–64 years	12.7%
65 and over	29.5%

Health insurance coverage

Type	%
Private insurance	67.1%
Public insurance	47.2%
No insurance	4.2%
Uninsured under 19	5.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,975	97.5%
Spanish	4	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	4	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,023	99.9%
Born in same state	2,010	99.3%
Born in different state	1,036	51.2%
Foreign born	13	0.6%
Naturalized citizen	2	0.1%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
Arab	309	15.3%
Polish	237	11.7%
Italian	207	10.2%
French	203	10%

Ancestry	Count	%
Dutch	28	1.4%
English	21	1%
German	11	0.5%
Irish	9	0.4%

Technology access

Metric	% of households
Computer access	45.7%
Internet access	81.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 59421

What city is ZIP code 59421 in?

ZIP code 59421 is primarily assigned to Cascade, Montana.

What county is ZIP code 59421 in?

ZIP code 59421 falls within Cascade County, Montana.

Does ZIP code 59421 have an older population?

30% of residents in ZIP code 59421 are 65 or older, above the national average of ~17%.

Does ZIP code 59421 have a large retiree population?

47% of households in ZIP code 59421 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 59421 mostly owner-occupied?

82% of occupied units in ZIP code 59421 are owner-occupied, well above the national average.

Does ZIP code 59421 have a large veteran population?

14% of civilians in ZIP code 59421 are veterans, above the national average of ~7%.

What timezone is ZIP code 59421 in?

ZIP code 59421 observes the MST timezone.