59523 ZIP Code — Chinook, MT

Blaine County, Montana

ZIP code 59523 is located in Chinook, Montana, within Blaine County. It covers approximately 1,534.61 square miles and serves a population of 2,131 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59523

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $202,600. Owner-occupancy sits near the national average at 70%.

Median household income is $68,071. 38% 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 12 minutes is near the national average.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

2,131

population

1,534.61

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59523 ZIP code map

Cities in ZIP code 59523

Below are the cities the US Postal Service accepts for ZIP code 59523. Using any city not on this list may result in mail delivery delays.

City	Status
Chinook	Preferred

Nearby ZIP codes

59547 Zurich (8.7 mi)

Demographics updated 06/2026

Population
Total population	2,131
Population density	2,131 / sq mi
State FIPS	30
County FIPS	005

Geography
Land area	1,534.61 sq mi
Water area	4.11 sq mi
Latitude	48.6295
Longitude	-109.1956
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	52.0%	54.1%	44.2%
$50k – $100k	26.9%	29.1%	32.0%
$100k – $200k	19.5%	15.8%	19.2%
Over $200k	1.6%	1.1%	4.7%

Demographics & statistics

2,131

Population

2,131

People per sq mi

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

Under 5

5–9

10–14

15–19

20–24

122

25–34

121

104

35–44

103

148

45–54

147

55–59

60–64

110

65–74

109

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	556	26.1%
18 and over	1,575	73.9%
65 and over	477	22.4%
Median age	45.5 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%

Group	Count	%
White	1,958	89.5%
American Indian / Alaska Native	72	3.3%
Two or more races	66	3%
Hispanic or Latino	56	2.6%
Black or African American	25	1.1%
Other race	10	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.0%	54.1%	44.2%
$50k – $100k	26.9%	29.1%	32.0%
$100k – $200k	19.5%	15.8%	19.2%
Over $200k	1.6%	1.1%	4.7%

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 $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%
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

Metric	Value
Median home value	$202,600
Median rent / month	$668
Owner occupied	69.8%
Renter occupied	30.2%
Vacant	17.9%
Single-family detached	80.9%
Large apartment buildings	3.1%
Mobile homes	6.4%
Median rooms	5.8
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	0.9%
2010–2019	2.6%
2000–2009	2.3%
1990–1999	4.7%
1980–1989	3.5%
1970–1979	25.4%
1960–1969	9.6%
1950–1959	8.3%
1940–1949	13.0%
1939 or earlier	29.7%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	7.5%
2 bedrooms	25.3%
3 bedrooms	39.4%
4 bedrooms	12.3%
5+ bedrooms	12.5%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	26.0%
2 vehicles	39.1%
3 or more	30.4%

Heating fuel

Fuel type	%
Utility gas	74.8%
Electricity	7.4%
Propane / LP gas	12.0%
Wood	3.5%

Households & families

Household type	Count	%
Married-couple family	452	48.6%
Cohabiting couple	7	0.8%
Male householder, no spouse	235	25.3%
Female householder, no spouse	236	25.4%
Households with children under 18	293	31.5%
Households with seniors (65+)	319	34.3%
Average household size	2.21

Marital status

Status	Male	Female
Never married	16.7%	17.7%
Married	59.4%	55.2%
Separated	0.2%	0.0%
Widowed	8.9%	14.7%
Divorced	14.8%	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 higher	94.0%
Bachelor's or higher	33.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	14	2.7%
Kindergarten	32	6.2%
Elementary school	284	55.4%
High school	120	23.4%
College / grad school	63	12.3%

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 & arts	52.8%
Service	11.0%
Sales & office	14.4%
Natural resources & construction	16.7%
Production & transportation	5.1%

Employment type

Type	%
Private sector	62.9%
Government	25.2%
Self-employed	11.4%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	67.2%
Carpool	7.9%
Public transit	0.0%
Walk	12.3%
Work from home	12.1%
Other means	0.5%
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 Security	38.1%
Retirement income	21.9%
Supplemental Security	3.4%
Cash public assistance	2.3%
Food stamps / SNAP	4.5%

Health indicators

Condition	%
Obesity	31.6%
High blood pressure	34.6%
High cholesterol	32.7%
Diabetes	12.0%
Heart disease	8.9%
Stroke	4.3%
Asthma	10.3%
Arthritis	31.0%
Kidney disease	3.8%
Pulmonary disease	9.0%
Cancer	8.5%

Behavior / access	%
Smoking	20.3%
Binge drinking	19.6%
No physical activity	24.3%
Less than 7 hrs sleep	29.4%
Depression	21.7%
Fair or poor health	17.2%
Poor mental health	13.3%
Poor physical health	13.2%
No health insurance	12.3%
Visited doctor (checkup)	71.4%
Visited dentist	64.3%
Cholesterol screening	88.8%
Teeth loss	16.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	117	7.4%

Disability	%
Any disability	12.9%
Under 18	1.3%
18–64 years	9.2%
65 and over	38.6%

Health insurance coverage

Type	%
Private insurance	71.3%
Public insurance	35.2%
No insurance	7.7%
Uninsured under 19	8.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,982	93.0%
Spanish	64	3.2%
Other Indo-European	14	0.7%
Asian & Pacific Islander	50	2.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,106	98.8%
Born in same state	2,076	97.4%
Born in different state	1,611	75.6%
Foreign born	30	1.4%
Naturalized citizen	25	1.2%
Not a US citizen	25	100.0%

Ancestry

Ancestry	Count	%
Polish	340	16%
French	321	15.1%
Arab	230	10.8%
Italian	114	5.3%

Ancestry	Count	%
Norwegian	100	4.7%
English	18	0.8%
Dutch	10	0.5%
German	2	0.1%

Technology access

Metric	% of households
Computer access	43.6%
Internet access	88.6%

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

Frequently asked questions about ZIP code 59523

What city is ZIP code 59523 in?

ZIP code 59523 is primarily assigned to Chinook, Montana.

What county is ZIP code 59523 in?

ZIP code 59523 falls within Blaine County, Montana.

Does ZIP code 59523 have a large retiree population?

38% of households in ZIP code 59523 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 59523?

ZIP code 59523 has an estimated population of 2,131 residents, with a density of 1 people per square mile.

What is the typical home value in ZIP code 59523?

The median home value in ZIP code 59523 is $202,600.

What is the median household income in ZIP code 59523?

The median household income in ZIP code 59523 is $68,071, below the national median of ~$75,000.

What timezone is ZIP code 59523 in?

ZIP code 59523 observes the MST timezone.