Valley County, MT ZIP Codes

11 ZIP codes cover all or part of Valley County, Montana. The Census Bureau counts 7,519 residents in the county, with a median household income of $71,695 and a median home value of $198,400. Median household income ranges from $85,000 in 59230 to $89,821 in 59248. Its largest communities include Glasgow, Frazer, St. Marie, Fort Peck and Nashua.

Valley County (Census county figures)

MeasureCensus figure
Residents7,519
Households2,951
Median household income$71,695
Median home value$198,400
Median age44.3
Median rent$767

All 11 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)7,956
Households (sum of ZIP codes)3,125
Median household income, range across ZIP codes$85,000 (59230) to $89,821 (59248)
Household-weighted average of ZIP medians (an approximation, not a true median)$85,800
Homeowners78.3%
Households with kids under 1825.9%
Moved in the past year6.7%
Carrier routes in EDDM2GO's route library12 routes, 2,147 homes (6 of 11 ZIP codes)

Top facts

Every ZIP code in Valley County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
59230Glasgow4,6061,924$85,000$241,00077.2%27.0%7.3%62,061100% of its land
59248Nashua1,023383$89,821$216,00090.9%27.4%4.9%2199100% of its land
59225Frazer639151$43,594$113,80061.6%45.7%9.9%——100% of its land
59261Saco525226$53,158$143,30076.5%17.7%7.3%——21% of its land
59241Hinsdale439193$48,512$108,70066.3%23.8%7.9%——100% of its land
59231Saint Marie30692$38,971$18,80089.1%10.9%2.6%——100% of its land
59250Opheim24277$51,375$48,90090.9%10.4%0.0%111100% of its land
59260Valley County7643$85,313$315,00086.0%11.6%0.0%14161% of its land
59244Valley County6322$111,250$225,00077.3%27.3%0.0%134100% of its land
59240Valley County229$58,750—100.0%0.0%0.0%17100% of its land
59273Valley County155——80.0%20.0%0.0%——100% of its land

A ZIP code is listed for Valley 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

Price a mailing to Valley County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Valley County, MT?
59230, 59248, 59225, 59261, 59241, 59231, 59250, 59260, 59244, 59240 and 59273. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Valley County?
7,519 residents in 2,951 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Valley County?
$71,695 for the county as a whole. Its ZIP codes range from $85,000 (59230) to $89,821 (59248).
Which Valley County ZIP code has the highest median household income?
59248, at $89,821, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Valley County?
For the 6 of 11 ZIP codes in EDDM2GO's stored route library: 12 carrier routes reaching 2,147 residential and 206 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.