Postal Codes

59270 ZIP Code

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ZIP code 59270 covers Sidney, Montana, with a population of about 8,844 and a median household income of $68,031.

Population
8,84410 per square mile
Median age
38.7about the US average
Median household income
$68,031about the Montana median
Poverty rate
6.7%5.7 points below the US average
Typical home value
$278,922down 6.2% in five years
Median rent
$87615% below the Montana median
Degree or higher
19.3%15.7 points below the US average
Homeownership
68.5%3.5 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
414

Where 59270 is

Sidney, 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

Population8,844
Median age38.7
Family households59.8%
Born outside the US2.8%
Speaks a language other than English at home3.3%
White (non-Hispanic)86.2%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.2%
Hispanic or Latino6.5%
Veterans5.6%
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$68,031
Income per person$39,117
Poverty rate6.7%
Households on SNAP or cash assistance7.4%

Household income distribution

Under $10k5.5%
$10–15k2.6%
$15–20k3.4%
$20–25k5.4%
$25–30k2.1%
$30–35k6.0%
$35–40k5.0%
$40–45k2.6%
$45–50k6.6%
$50–60k7.1%
$60–75k8.2%
$75–100k9.1%
$100–125k12.1%
$125–150k8.1%
$150–200k7.8%
$200k or more8.4%

Income as declared to the IRS

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

Tax returns filed4,090
Mean adjusted gross income$84,969
Returns declaring $200,000 or more6.8%
Returns, under $25k25.9%
Returns, $25k–$50k20.0%
Returns, $50k–$75k14.9%
Returns, $75k–$100k10.8%
Returns, $100k–$200k21.5%
Returns, $200k or more6.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$260,600
Median gross rent$876
Rent as a share of household income23.3%
Owner-occupied68.5%
Vacant homes18.2%
Median year built1982

What the homes are

Detached house61.7%
Attached house1.3%
2 to 4 units8.2%
5 to 19 units6.8%
20 or more units7%
Mobile home15.1%
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$278,922as of 2026-07
Typical home value, 1 yearup 6.5%
Typical home value, 5 yearsdown 6.2%
Typical home value, 10 yearsup 19%
Typical home value since 2000
201620212026$318,183$230,519

$234,471 in 2016 to $278,922 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.3%
Bachelor's degree or higher19.3%
High school diploma or higher96.2%
Works from home5.8%
Drives to work alone78.5%
Takes public transport0%
Commutes 45 minutes or more12.6%
Health

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

Obesity38.1% 4.7 pts above the national average of 33.4%
Diagnosed diabetes8.9% 3.1 pts below the national average of 12%
Currently smokes14.1% 0.9 pts above the national average of 13.2%
High blood pressure30.6% 3.5 pts below the national average of 34.1%
Fair or poor general health17.2% 3.1 pts below the national average of 20.3%
No health insurance (18–64)9.4% 1.9 pts below the national average of 11.3%
Depression23.3% 1.4 pts above the national average of 21.9%
No leisure-time physical activity23.4% 2 pts below the national average of 25.4%
Arthritis25.6% 0.5 pts above the national average of 25.1%
Binge drinking22% 6 pts above the national average of 16%
Taking blood pressure medication71.6% 3.1 pts below the national average of 74.7%
Cancer (non-skin)8.5% 0.8 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease5.8% same as the national average of 6.2%
Routine check-up in past year69.7% 7 pts below the national average of 76.7%
Cholesterol screening81.9% 4 pts below the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening60.3% 4 pts below the national average of 64.3%
COPD6.4% same as the national average of 6.6%
Visited a dentist61% same as the national average of 61.3%
Any disability28.9% 1.8 pts below the national average of 30.7%
Lacks emotional support21.5% 3.3 pts below the national average of 24.8%
Food insecurity10.6% 6.5 pts below the national average of 17.1%
Received food stamps7.1% 7.2 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol31% 5.2 pts below the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use72.2% 3.7 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability11.6% 2.4 pts below the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Utility shut-off threat6.2% 2.6 pts below the national average of 8.8%
Sleeps under 7 hours33.8% 2.6 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost12.8% same as the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments414
People employed4,037
Annual payroll$219,396,000
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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 80.1% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 6 census tracts this ZIP code covers
Expected annual loss88.5 out of 100
Community resilience22.4 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.

Winter weather98.7Very High at its worst in this ZIP code
Cold wave98.4Very High at its worst in this ZIP code
Hail90.2Relatively High at its worst in this ZIP code
Drought88.6Relatively Low at its worst in this ZIP code
Wildfire88Relatively Moderate at its worst in this ZIP code
Strong wind86.8Relatively High at its worst in this ZIP code
Ice storm81.3Relatively High at its worst in this ZIP code
Landslide79.2Relatively Low at its worst in this ZIP code
Lightning68.7Relatively High at its worst in this ZIP code
River flooding62.4Relatively Moderate at its worst in this ZIP code
Tornado59.1Relatively Moderate at its worst in this ZIP code
Heat wave43.7Relatively Moderate at its worst in this ZIP code
Earthquake10.1Very 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$68,031$69,922$78,538
Income per person$39,117$39,842$43,289
Poverty rate6.7%12%12.4%
Median home value$260,600$338,100$303,400
Median gross rent$876$1,031$1,348
Homeownership68.5%69.4%65%
Bachelor's degree or higher19.3%34.5%35%
Unemployment rate3.3%3.8%5.2%
Works from home5.8%11.6%13.5%
Born outside the US2.8%2.3%13.9%
Median age38.740.238.7
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 stationSIDNEY, MT US2.1 km away
Rain in a year16 in
Snow in a year30 in

Average high and low by month

January27.2°F / 6.5°F0.45 in rain, 7 in snow
February32°F / 10.6°F0.37 in rain, 5.6 in snow
March45.8°F / 21°F0.58 in rain, 3 in snow
April60.5°F / 31.8°F1.17 in rain, 1.7 in snow
May71.3°F / 42.7°F2.4 in rain, 0.7 in snow
June79.1°F / 52.3°F2.78 in rain
July86.6°F / 57.3°F2.65 in rain
August86.4°F / 55.1°F1.3 in rain
September75.8°F / 45.5°F1.62 in rain
October59.4°F / 33.6°F1.08 in rain, 1.5 in snow
November41.9°F / 21.2°F0.59 in rain, 3 in snow
December30.6°F / 10.7°F0.51 in rain, 7.9 in snow
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 supermarket12% of this ZIP code's area
No vehicle and far from a supermarket7% of this ZIP code's area
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 8 school districts, so the address decides which one, not the ZIP code.

Sidney High School District34.4% of this ZIP code's land area
Earl Public School District 1817.2% of this ZIP code's land area
Rau Elementary School District16.5% of this ZIP code's land area
Sidney Elementary School District9.7% of this ZIP code's land area
Brorson Elementary School District8.3% of this ZIP code's land area
McKenzie County Public School District 17.2% of this ZIP code's land area
Fairview Elementary School District2.9% of this ZIP code's land area
Fairview High School District2.9% 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 vulnerability35more vulnerable than 35% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics52more vulnerable than 52% of US census tracts
Racial and ethnic minority status16more vulnerable than 16% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability4.8 out of 20Least walkable
Nearby ZIP codes

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

59217 Crane, MT17 km away
58838 Cartwright, ND18.7 km away
59221 Fairview, MT20.5 km away
59262 Savage, MT23.4 km away
59243 Lambert, MT32.8 km away
58831 Alexander, ND39.1 km away
58853 Trenton, ND46.6 km away
59212 Bainville, MT49.6 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.

Richland County60.4% of this ZIP code's land area
McKenzie County39.6% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area891.03 sq mi
Water area8.72 sq mi
Population density10 people per sq mi
Latitude, longitude47.7130, -104.1634

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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