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ZIP CODE TABULATION AREA

59858

Montana · 1,494 residents · 880 sq mi
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ZIP 59858 is home to 1,494 people in Granite County. At a median age of 56.8, this is an older place than the country as a whole. There are 2 people per square mile. 45% of adults hold a bachelor's degree or higher. 4% of people in this ZIP code were born outside the United States. Households take in $56,719 at the median, 31% less than the US figure.

$56,719
US average: $82,259
$36,155
US average: $44,673
$380,000
US average: $376,019
45.5%
US average: 35.6%
Land area
880 sq mi
Age, sex & households
Under 18
10.6%
Age 65+
36.1%
47.6%
52.4%
2.07 people
Race & ethnicity · 2024
2024
White, non-Hispanic84.9%(1,268)
Black0.3%(5)
Hispanic / Latino5.5%(82)
Asian2.1%(32)
Other7.2%(107)
34
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
6.7
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Granite County
Income rank vs other ZIPs
LOWEST3RD OF 4HIGHEST
Adjacent ZIPs
59825$90,192
59832$64,261
59837$50,769
Frequently asked

How many people live in ZIP code 59858?

ZIP code 59858 has about 1,494 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 59858?

The typical household in ZIP code 59858 earns about $56,719 a year. Half of households make more than that, and half make less.

Is ZIP code 59858 expensive?

In ZIP code 59858, the median home is worth about $380,000.

How educated are people in ZIP code 59858?

About 45.5% of adults age 25 and over in ZIP code 59858 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 59858?

About 13.5% of people in ZIP code 59858 live below the federal poverty line.

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Containing area
Granite County
Other ZIP codes in Granite County
ZIP 59825ZIP 59832ZIP 59837

DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024