US Census Data

ZIP 59231 vs ZIP 59240

A side-by-side comparison of ZIP Code 59231 and ZIP Code 59240: population, income, housing, and more.

ZIP 59231 and ZIP 59240 are ZIP Code areas in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 59231 has the higher population (319 vs 26 in ZIP 59240). Since 2019, ZIP 59240's population has grown faster (-23.5% vs -32.1%).

Population, income & housing

ZIP 59231ZIP 59240
Population31926
Median age39.3 yrs68.4 yrs
Median household income$38,125
Median home value$266,700
Housing units77412
Homeownership rate91.7%100.0%
Bachelor's degree or higher21.8%16.7%
Unemployment rate17.4%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 59231ZIP 59240
Population470 → 319 (-32.1%)34 → 26 (-23.5%)
Median household income$33,750 → $38,125 (+13.0%)$48,750 → $42,500 (-12.8%)
Median home value$19,800 → $20,800 (+5.1%)$211,100 → $266,700 (+26.3%)
Median gross rent$970 → $1,079 (+11.2%)

ZIP 59231

Population
470319
Median household income
$33,750$38,125
Median home value
$19,800$20,800
Median gross rent
$970$1,079

ZIP 59240

Population
3426
Median household income
$48,750$42,500
Median home value
$211,100$266,700

Age & race/ethnicity

Age distribution (share)

ZIP 59231ZIP 59240
Under 50.0%7.7%
5 to 173.1%0.0%
18 to 247.8%0.0%
25 to 3418.8%0.0%
35 to 4432.0%0.0%
45 to 540.0%11.5%
55 to 643.4%19.2%
65 to 746.3%53.8%
75 and over28.5%7.7%

Race & ethnicity (share)

ZIP 59231ZIP 59240
White (non-Hispanic)55.8%100.0%
Black or African American0.0%0.0%
American Indian & Alaska Native4.1%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races40.1%0.0%
Hispanic or Latino0.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 59231ZIP 59240
No high school diploma34.9%8.3%
High school graduate18.3%33.3%
Some college or associate's25.0%41.7%
Bachelor's degree21.8%4.2%
Graduate or professional degree0.0%12.5%

Commute to work

How workers get to work (share)

ZIP 59231ZIP 59240
Drove alone92.9%57.1%
Carpooled7.1%0.0%
Public transit0.0%0.0%
Walked0.0%21.4%
Bicycle0.0%0.0%
Worked from home0.0%21.4%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 59231ZIP 59240
1-unit, detached4.4%100.0%
1-unit, attached6.1%0.0%
2 to 4 units89.5%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 59231ZIP 59240
Poverty rate27.9%0.0%
Average household size2.662.17
Median year structure built19631963

Full profiles

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ZIP 59231 vs ZIP 59240: Compare Population & Demographics | US Census Data