Flat Willow Colony is a community in Musselshell County, Montana across 0.1 square miles. It has no ZIP code of its own: it’s part of 59072.
Homes sold for a median of $137 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Roundup; part is in Flat Willow Colony
Each card is that ZIP code’s whole market, including any part outside Flat Willow Colony. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Flat Willow Colony’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Flat Willow Colony well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)424 miles away |
|---|---|
| Closer regional airport | Billings Logan International Airport (BIL)42 miles away |
| Nearest city of 250,000+ | Denver, CO496 miles away |
Straight-line distances from the center of Flat Willow Colony; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Musselshell County grew from 12,030 residents in 1920 to 4,730 in 2020.
Musselshell County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 13°F. About 14.9 inches of rain and melted snow fall in a typical year, with about 24 inches of snow.
Source: NOAA 1991–2020 climate normals, Roundup, MT weather station (about a mile away).
923 jobs at 118 businesses in Musselshell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
9 doctors and other health care providers list an office in Flat Willow Colony.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 2 |
| Physical and occupational therapists | 2 |
| Pharmacies | 4 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Roundup Elem, Roundup High School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Roundup ElementaryRoundup | Pre-K–6 | 298 | Public | 2.1 mi |
| Roundup 7-8Roundup | 7–8 | 89 | Public | 1.7 mi |
| Roundup H SRoundup | 9–12 | 156 | Public | 1.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Whispering Pines SchoolRoundup | K–8 | 28 | Amish | 3.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Flat Willow Colony? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
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Shares ZIP codes with Roundup, Klein, Camp Three and Kilby Butte Colony.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.