Cascade County, MT ZIP Codes

17 ZIP codes cover all or part of Cascade County, Montana. The Census Bureau counts 84,606 residents in the county, with a median household income of $67,690 and a median home value of $265,300. Median household income ranges from $55,299 in 59401 to $83,867 in 59404. Its largest communities include Great Falls, Malmstrom AFB, Sun Prairie, Vaughn and Ulm.

Cascade County (Census county figures)

MeasureCensus figure
Residents84,606
Households35,615
Median household income$67,690
Median home value$265,300
Median age38.6
Median rent$939

All 17 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)85,874
Households (sum of ZIP codes)36,151
Median household income, range across ZIP codes$55,299 (59401) to $83,867 (59404)
Household-weighted average of ZIP medians (an approximation, not a true median)$67,632
Homeowners68.7%
Households with kids under 1826.6%
Moved in the past year15.3%
Carrier routes in EDDM2GO's route library33 routes, 13,355 homes (7 of 17 ZIP codes)

Top facts

Every ZIP code in Cascade County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
59405Great Falls33,35014,248$59,449$250,10057.0%26.2%21.6%——99% of its land
59404Great Falls28,82211,106$83,867$295,70084.9%32.8%9.4%2412,72872% of its land
59401Great Falls13,2556,290$55,299$223,20055.4%20.6%17.8%——100% of its land
59421Cascade2,069969$78,125$377,90086.2%16.2%8.9%——96% of its land
59412Belt1,685678$82,955$250,70076.8%22.4%7.2%334797% of its land
59487Vaughn1,548595$56,359$229,30087.2%25.5%14.4%——92% of its land
59468Power858328$82,895$239,80091.2%27.1%9.4%221129% of its land
59414Black Eagle781404$69,545$190,40074.8%13.1%13.2%1485100% of its land
59485Ulm772286$90,286$321,60090.2%33.6%6.9%——100% of its land
59443Fort Shaw705270$81,221$271,40088.9%37.0%9.4%——93% of its land
59472Sand Coulee507217$68,036$235,30091.2%21.2%1.0%1150100% of its land
59440Floweree432192—$228,20056.3%19.8%1.2%17532% of its land
59477Simms334172$42,292$237,50078.5%23.3%7.2%——100% of its land
59480Stockett328160$80,714$279,80088.1%10.0%0.0%171100% of its land
59483Sun River247121$97,813$429,40097.5%12.4%6.5%——100% of its land
59463Monarch14295—$344,70094.7%0.0%9.9%——94% of its land
59465Neihart3920$83,000$227,300100.0%30.0%10.3%——100% of its land

A ZIP code is listed for Cascade County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Cascade County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Cascade County, MT?
59405, 59404, 59401, 59421, 59412, 59487, 59468, 59414, 59485, 59443, 59472, 59440, 59477, 59480, 59483, 59463 and 59465. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Cascade County?
84,606 residents in 35,615 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Cascade County?
$67,690 for the county as a whole. Its ZIP codes range from $55,299 (59401) to $83,867 (59404).
Which Cascade County ZIP code has the highest median household income?
59404, at $83,867, among ZIP codes with at least 1,000 residents. See the full ranking of Cascade County ZIP codes by income.
How many carrier routes and mailboxes are in Cascade County?
For the 7 of 17 ZIP codes in EDDM2GO's stored route library: 33 carrier routes reaching 13,355 residential and 708 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.