Postal Codes

59523 ZIP Code

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ZIP code 59523 covers Chinook, Montana, with a population of about 2,281 and a median household income of $74,107.

Population
2,2811 per square mile
Median age
40.41.7 points above the US average
Median household income
$74,1071.1× the Montana median
Poverty rate
9%3.4 points below the US average
Typical home value
$219,020up 42.8% in five years
Median rent
$73928% below the Montana median
Degree or higher
38.5%3.5 points above the US average
Homeownership
72.8%7.8 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
86

Where 59523 is

Chinook, Montana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,281
Median age40.4
Family households63%
Born outside the US1.1%
Speaks a language other than English at home3.9%
White (non-Hispanic)89%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino2.8%
Veterans4.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$74,107
Income per person$35,705
Poverty rate9%
Households on SNAP or cash assistance5.5%

Household income distribution

Under $10k6.2%
$10–15k2.7%
$15–20k7.7%
$20–25k7.9%
$25–30k2.2%
$30–35k1.6%
$35–40k4.1%
$40–45k2.2%
$45–50k3.9%
$50–60k0.9%
$60–75k12.5%
$75–100k21.9%
$100–125k5.9%
$125–150k6.7%
$150–200k6.0%
$200k or more7.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed990
Mean adjusted gross income$61,680
Returns declaring $200,000 or more3%
Returns, under $25k30.3%
Returns, $25k–$50k26.3%
Returns, $50k–$75k14.1%
Returns, $75k–$100k10.1%
Returns, $100k–$200k16.2%
Returns, $200k or more3.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$200,700
Median gross rent$739
Rent as a share of household income18.6%
Owner-occupied72.8%
Vacant homes19.3%
Median year built1959

What the homes are

Detached house87.9%
Attached house1.8%
2 to 4 units2.7%
20 or more units4.1%
Mobile home3.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$219,020as of 2026-07
Typical home value, 1 yearup 0%
Typical home value, 5 yearsup 42.8%
Typical home value, 10 yearsup 122.5%
Typical home value since 2000
201620212026$219,020$98,432

$98,432 in 2016 to $219,020 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.7%
Bachelor's degree or higher38.5%
High school diploma or higher94.3%
Works from home19.4%
Drives to work alone61%
Takes public transport0%
Commutes 45 minutes or more1.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.3% 1.9 pts above the national average of 33.4%
Diagnosed diabetes11.1% 0.9 pts below the national average of 12%
Currently smokes13.6% same as the national average of 13.2%
High blood pressure35.6% 1.5 pts above the national average of 34.1%
Fair or poor general health18.6% 1.7 pts below the national average of 20.3%
No health insurance (18–64)8.4% 2.9 pts below the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis30.9% 5.8 pts above the national average of 25.1%
Binge drinking18.5% 2.5 pts above the national average of 16%
Taking blood pressure medication77.1% 2.4 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year73% 3.7 pts below the national average of 76.7%
Cholesterol screening84.9% 1 pts below the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening65.1% 0.8 pts above the national average of 64.3%
COPD7.6% 1 pts above the national average of 6.6%
Visited a dentist60.8% 0.5 pts below the national average of 61.3%
Any disability32.1% 1.4 pts above the national average of 30.7%
Lacks emotional support21.4% 3.4 pts below the national average of 24.8%
Food insecurity10.8% 6.3 pts below the national average of 17.1%
Received food stamps7.6% 6.7 pts below the national average of 14.3%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol35.6% 0.6 pts below the national average of 36.2%
Housing insecurity8.3% 5.5 pts below the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness30% 4.4 pts below the national average of 34.4%
Mammography use74.8% 1.1 pts below the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability14.3% same as the national average of 14%
Poor physical health (14+ days)14.5% 1 pts above the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours28% 8.4 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost9.1% 3.9 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments86
People employed420
Annual payroll$13,980,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 92.3% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss88.6 out of 100
Community resilience9.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave99.7Very High at its worst in this ZIP code
Lightning99.2Very High at its worst in this ZIP code
Winter weather99Very High at its worst in this ZIP code
River flooding94.3Very High at its worst in this ZIP code
Wildfire91.7Relatively Moderate at its worst in this ZIP code
Drought89Relatively Low at its worst in this ZIP code
Landslide88.1Relatively Low at its worst in this ZIP code
Hail78.2Relatively Moderate at its worst in this ZIP code
Strong wind58.7Relatively Moderate at its worst in this ZIP code
Tornado24.9Very Low at its worst in this ZIP code
Heat wave23.1Relatively Low at its worst in this ZIP code
Ice storm20.9Very Low at its worst in this ZIP code
Earthquake18.7Very Low at its worst in this ZIP code
Avalanche3.3Very Low at its worst in this ZIP code
Compared with Montana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMontanaUnited States
Median household income$74,107$69,922$78,538
Income per person$35,705$39,842$43,289
Poverty rate9%12%12.4%
Median home value$200,700$338,100$303,400
Median gross rent$739$1,031$1,348
Homeownership72.8%69.4%65%
Bachelor's degree or higher38.5%34.5%35%
Unemployment rate1.7%3.8%5.2%
Works from home19.4%11.6%13.5%
Born outside the US1.1%2.3%13.9%
Median age40.440.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCHINOOK, MT US1 km away
Rain in a year13 in

Average high and low by month

January27.1°F / 4.2°F0.45 in rain
February31.4°F / 6.9°F0.37 in rain
March43°F / 17.7°F0.59 in rain
April56.9°F / 29.4°F1.04 in rain
May67°F / 40°F2.42 in rain
June75.4°F / 49.3°F2.86 in rain
July84.3°F / 53.6°F1.62 in rain
August83.3°F / 51.7°F1.14 in rain
September72.3°F / 41.2°F0.99 in rain
October56.9°F / 28.5°F0.88 in rain
November41.3°F / 17°F0.69 in rain
December30.5°F / 7.5°F0.39 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 6 school districts, so the address decides which one, not the ZIP code.

Chinook High School District38.1% of this ZIP code's land area
Chinook Elementary School District17% of this ZIP code's land area
Zurich Elementary School District11.7% of this ZIP code's land area
Harlem High School District11.2% of this ZIP code's land area
Cleveland Elementary School District10.9% of this ZIP code's land area
Bear Paw Elementary School District9.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability63more vulnerable than 63% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics80more vulnerable than 80% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport84more vulnerable than 84% of US census tracts
Walkability7.5 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

59547 Zurich, MT14.1 km away
59526 Harlem, MT33.6 km away
59501 Havre, MT34.4 km away
59529 Hogeland, MT51.1 km away
59521 Box Elder, MT55 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Blaine County98.9% of this ZIP code's land area
Hill County1.1% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area1534.61 sq mi
Water area4.11 sq mi
Population density1 people per sq mi
Latitude, longitude48.5799, -109.2225

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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