Chinook ZIP Code List — Blaine County, MT

There is one unique ZIP code in Chinook, Montana and it is 59523. Area code: 406.
1
ZIP codes
1,534.61
sq mi land
4.11
sq mi water
406
area code
Chinook, MT ZIP code map

About Chinook, MT

Chinook, Montana, is a small yet vibrant city located in the northern part of the state. Known for its rich agricultural history, it serves as the county seat of Blaine County and is a focal point for the local farming community. The friendly atmosphere and scenic landscapes make Chinook a charming place for both residents and visitors alike.

Location & geography

Chinook is situated in Blaine County, Montana, and covers a vast area of 1,534.61 square miles, with an additional 4.11 square miles of water. The city is approximately 25 miles from the neighboring community of Harlem and about 40 miles from Fort Belknap. The terrain is characterized by wide open spaces and lush countryside, providing picturesque views of the Montana landscape.

Community & economy

The character of Chinook is defined by its tight-knit community and the strong agricultural industry that dominates the local economy. Many residents are engaged in farming and ranching, contributing significantly to the region's livelihood. Daily life in Chinook is centered around community events, local businesses, and a lifestyle that embraces the great outdoors.

Transportation

Chinook is accessible via U.S. Route 2, which runs through the heart of the city and connects it to other regions in Montana. The nearest airport is the Harlem Airport, located about 23 miles away, providing basic air transportation options. Public transit options may be limited, but the city is well-connected for those traveling by car.

History

Chinook was founded in the late 19th century as a key trading post and railroad hub, facilitating commerce in the region. Historically, agriculture has been one of its primary industries, with the surrounding land being fertile and suitable for farming. Notable events include the establishment of various community programs that help preserve the cultural heritage of the area.

Did you know?

A little-known fact about Chinook is that it hosts the annual Sugarbeet Festival, celebrating the local sugarbeet industry and attracting visitors from across the region. Additionally, the city is known for its stunning views of the Bear Paw Mountains, which offer great opportunities for outdoor recreation.

ZIP codes for Chinook, MT (1)
ZIP code City County Map
59523 Chinook Blaine View map

Demographics & statistics

2,131
Population
45.5
Median age
$68,071
Median household income
$35,679
Per capita income
$202,600
Median home value
$668
Median monthly rent
69.8%
Home ownership
8.9%
Poverty rate
1.6%
Unemployment
852
Housing units
33.4%
Bachelor's or higher

Age distribution

Male Female
75
Under 5
74
61
5–9
61
96
10–14
96
52
15–19
52
20
20–24
19
122
25–34
121
104
35–44
103
148
45–54
147
60
55–59
59
92
60–64
92
110
65–74
109
85
75–84
85
44
85+
44
← Male
Female →

Age summary

GroupCount%
Under 1855626.1%
18 and over1,57573.9%
65 and over47722.4%
Median age45.5 years

Race & ethnicity

White 89.5%
American Indian / Alaska Native 3.3%
Two or more races 3%
Hispanic or Latino 2.6%
Black or African American 1.1%
Other race 0.5%
GroupCount%
White1,95889.5%
American Indian / Alaska Native723.3%
Two or more races663%
Hispanic or Latino562.6%
Black or African American251.1%
Other race100.5%

Household income

Under $10k 5.4%
$10k–$15k 2.9%
$15k–$25k 15.6%
$25k–$35k 11.0%
$35k–$50k 8.0%
$50k–$75k 18.9%
$75k–$100k 9.4%
$100k–$150k 16.6%
$150k–$200k 4.6%
$200k+ 7.7%
Range% of households
Under $10k5.4%
$10k–$15k2.9%
$15k–$25k15.6%
$25k–$35k11.0%
$35k–$50k8.0%
$50k–$75k18.9%
$75k–$100k9.4%
$100k–$150k16.6%
$150k–$200k4.6%
$200k+7.7%
Median income$68,071

Housing

Home values

Under $50k 6.9%
$50k–$100k 11.4%
$100k–$150k 17.9%
$150k–$200k 12.6%
$200k–$300k 33.7%
$300k–$500k 11.2%
$500k–$1M 3.5%
$1M+ 2.6%

Housing overview

MetricValue
Median home value$202,600
Median rent / month$668
Owner occupied69.8%
Renter occupied30.2%
Vacant17.9%
Single-family detached80.9%
Large apartment buildings3.1%
Mobile homes6.4%
Median rooms5.8
Avg household size (owned)2.28

Year built

Era%
2020 or later0.9%
2010–20192.6%
2000–20092.3%
1990–19994.7%
1980–19893.5%
1970–197925.4%
1960–19699.6%
1950–19598.3%
1940–194913.0%
1939 or earlier29.7%

Bedrooms

Size% of units
No bedroom (studio)3.0%
1 bedroom7.5%
2 bedrooms25.3%
3 bedrooms39.4%
4 bedrooms12.3%
5+ bedrooms12.5%

Vehicles per household

Vehicles% of households
No vehicle4.4%
1 vehicle26.0%
2 vehicles39.1%
3 or more30.4%

Heating fuel

Fuel type%
Utility gas74.8%
Electricity7.4%
Propane / LP gas12.0%
Wood3.5%

Households & families

Household typeCount%
Married-couple family45248.6%
Cohabiting couple70.8%
Male householder, no spouse23525.3%
Female householder, no spouse23625.4%
Households with children under 1829331.5%
Households with seniors (65+)31934.3%
Average household size2.21

Marital status

StatusMaleFemale
Never married16.7%17.7%
Married59.4%55.2%
Separated0.2%0.0%
Widowed8.9%14.7%
Divorced14.8%12.3%

Education

Less than 9th grade 1.2%
Some HS, no diploma 4.8%
HS graduate 28.8%
Some college, no degree 20.4%
Associate's degree 11.5%
Bachelor's degree 16.4%
Graduate / professional 17.0%
Metric%
HS diploma or higher94.0%
Bachelor's or higher33.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool142.7%
Kindergarten326.2%
Elementary school28455.4%
High school12023.4%
College / grad school6312.3%

Employment

Industry of employment

Education & healthcare 22.0%
Agriculture & mining 20.2%
Retail trade 13.4%
Other services 9.2%
Finance & real estate 7.4%
Construction 6.9%
Public administration 5.1%
Information 4.0%
Transportation & utilities 3.8%
Professional & management 3.8%
Arts, food & hospitality 2.5%
Wholesale trade 1.8%

Occupation

Category%
Management, business & arts52.8%
Service11.0%
Sales & office14.4%
Natural resources & construction16.7%
Production & transportation5.1%

Employment type

Type%
Private sector62.9%
Government25.2%
Self-employed11.4%
Unpaid family workers0.4%

Commute

Method%
Drive alone67.2%
Carpool7.9%
Public transit0.0%
Walk12.3%
Other means0.5%
Avg commute (minutes)11.7

Poverty

All people 8.9%
Under 18 years 4.5%
18 and over 10.5%
Married-couple families 7.3%
Female-led households 0.0%

Income support

Source% of households
Social Security38.1%
Retirement income21.9%
Supplemental Security3.4%
Cash public assistance2.3%
Food stamps / SNAP4.5%

Health indicators

Condition%
High blood pressure34.6%
High cholesterol32.7%
Heart disease8.9%
Stroke4.3%
Asthma10.3%
Arthritis31.0%
Kidney disease3.8%
Pulmonary disease9.0%
Cancer8.5%
Behavior / access%
Binge drinking19.6%
No physical activity24.3%
Less than 7 hrs sleep29.4%
Fair or poor health17.2%
Poor mental health13.3%
Poor physical health13.2%
No health insurance12.3%
Visited doctor (checkup)71.4%
Visited dentist64.3%
Cholesterol screening88.8%
Teeth loss16.3%

Veterans & disability

VeteransCount%
Civilian veterans1177.4%
Disability%
Any disability12.9%
Under 181.3%
18–64 years9.2%
65 and over38.6%

Health insurance coverage

Type%
Private insurance71.3%
Public insurance35.2%
Uninsured under 198.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,98293.0%
Spanish643.2%
Other Indo-European140.7%
Asian & Pacific Islander502.5%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)2,10698.8%
Born in same state2,07697.4%
Born in different state1,61175.6%
Foreign born301.4%
Naturalized citizen251.2%
Not a US citizen25100.0%

Ancestry

AncestryCount%
Polish34016%
French32115.1%
Arab23010.8%
Italian1145.3%
AncestryCount%
Norwegian1004.7%
English180.8%
Dutch100.5%
German20.1%

Technology access

Metric% of households
Computer access43.6%
Internet access88.6%

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

Frequently asked questions
What is the ZIP code for Chinook, MT?
Chinook, MT has one ZIP code: 59523.
What is the main ZIP code for Chinook, MT?
The primary ZIP code for Chinook, MT is 59523. The city uses area code 406 for phone service.
What county is Chinook, MT in?
Chinook is located in Blaine County, Montana.
How many ZIP codes are in Chinook, MT?
Chinook, MT has 1 ZIP code.
What ZIP code covers downtown Chinook and the historic business district along Main Street?
Downtown Chinook, including the main commercial area along Main Street, is located in ZIP code 59523.
What is the ZIP code for the Chinook High School area and the surrounding residential neighborhoods in this Blaine County city?
Chinook High School and the residential areas throughout this community are served by ZIP code 59523.
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