Plain

Residential delivery area · Montana

ZIP Code 59072: Roundup, MT

ZIP code 59072 uses the postal name Roundup, Montana and lies mostly in Musselshell County (93% of its land) with the rest in Petroleum County (Census 2020 ZIP-county file). About 4,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $59,594 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Klein (1%), Camp Three (under 1%), Roundup (under 1%), Flat Willow Colony (0%) and Kilby Butte Colony (0%); 99% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
5national area: Montana, Iowa, Minnesota, North Dakota, South Dakota and Wisconsin
590sectional center: Billings, MT (SCF 590)
72delivery area within it
Town
Roundup · its only residential ZIP
Census places
Klein (1%) census-designated place; Camp Three (under 1%) census-designated place; Roundup (under 1%); Flat Willow Colony (0%) census-designated place
House district
MT-2 119th Congress
State
Montana
Time zone
Mountain
Land area
1,291.3 sq mi · 4 people per sq mi
PO Box ZIPs
59073 also use the name Roundup

Where is ZIP code 59072?

59072 centers on 46.526°, -108.554° and covers 1,291.3 square miles of land plus 2.6 of water. It borders 8 ZIP codes: 59046, 59059, 59441, 59015, 59079, 59032, 59088, 59087.

59015 · Broadview59032 · Grass Range59046 · Lavina59059 · Musselshell59079 · Shepherd59087 · Winnett59088 · Worden59441 · Forest Grove59072 · Roundup (this ZIP)59072590875903259046590595907959088590155944159015 · Broadview59032 · Grass Range59046 · Lavina59059 · Musselshell59079 · Shepherd59087 · Winnett59088 · Worden59441 · Forest Grove59072 · Roundup (this ZIP)59072590875903259046590595907959088590155944159015 · Broadview59032 · Grass Range59046 · Lavina59059 · Musselshell59079 · Shepherd59087 · Winnett59088 · Worden59441 · Forest Grove59072 · Roundup (this ZIP)590725908759032590465905959079590885901559441
Shaded by median household income, in national fifths (ACS 2020-2024); 59072 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 59072, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 59072 compare with the rest of Musselshell County?

Rank of 59072 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure59072In Musselshell CountyIn MT
People (ACS 2020-2024)4,6901st of 550th of 369
Median household income$60k1st of 179th of 104
Median home value$241k1st of 185th of 120

Its median household income is higher than in 28% of U.S. residential ZIP codes, and it is denser than 9% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 59072?

The 2020 Census counted 4,150 people in 59072; the ACS, which samples households over 2020-2024, estimates 4,690. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
4,690
2020 Census count
4,150
Households
1,923
Median age
48.9

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 59072?

Of the 4,690 people the ACS estimates in 59072, 20.0% are under 18 and 28.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.0%).

  • Under 1820.0%
  • 18 to 6451.3%
  • 65 and older28.8%
Age of the people of 59072 (ACS 2020-2024, B01001)
  • White, not Hispanic86.0%
  • Other or two or more9.5%
  • Hispanic or Latino4.5%
  • Black, not Hispanic0.0%
  • Asian, not Hispanic0.0%
Race and Hispanic origin in 59072 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 59072 earn?

Median household income is $59,594 (ACS 2020-2024).

Median household income
$59,594±$8,700
Income per person
$33,637
Below the poverty line
16.9%
Unemployed (of the labor force)
9.4%
Adults 25+ with a bachelor's degree
21.0%
Adjusted gross income per tax return, 2022
$61,7811,930 returns; wages 59% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 59072?

FHFA's house price index for 59072, built from repeat sales and appraisals of the same homes, rose 79% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +1.1% in 2025.

Median home value (owners' estimate)
$241,200
Median gross rent
$1,254
Homes owned by their occupants
84.1%
Housing units
2,318
0 100 200 300 2001201020202025 0 100 200 300 2001201020202025 0 100 200 300 2001201020202025
Index = 100 in 2001, the first year FHFA reports for 59072; 2025: 313.3. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 59072?

105 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction16
  • Retail trade13
  • Health care and social assistance9
  • Other services (except public administration)9
  • Accommodation and food services8
  • Mining, quarrying, and oil and gas extraction7

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 59072?

ZIP codes that share a boundary with 59072, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
59046Lavina577$74k22.1 mi
59059Musselshell159$40k22.8 mi
59441Forest Grove126$62k32.1 mi
59015Broadview394$70k33.2 mi
59079Shepherd3,940$68k33.3 mi
59032Grass Range409$42k35.2 mi
59088Worden1,265$91k36.2 mi
59087Winnett395$63k45.3 mi
59002Acton221$37k35.2 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.

Which other ZIP codes use the name Roundup?

1 more ZIP code carries the postal name Roundup, MT without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.

ZIP codes named Roundup without a residential area (GeoNames postal codes)
ZIPCounty
59073Musselshell County

Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.