We’ve been moving across the country, state by state, and analyzing financial data to identify the most expensive ZIP codes in each state. We recently began our trek through the Rocky Mountain states, determining the most expensive ZIP codes in Colorado and Utah, for example. Here, we’re going to continue our journey through the Mountain states by examining the most expensive ZIP codes in Montana.
Read on to find out the most expensive ZIP codes in Montana in 2024, relying on data from Zillow’s home value index and the Census Bureau.
The Most Expensive ZIP Codes in Montana
Using data from Zillow’s home value index, we analyzed thousands of ZIP codes throughout the United States. For Montana, we’re analyzing the 233 ZIP codes that Zillow has data on in its index. Breaking down wealth by ZIP codes is revealing because, as a geographic unit, they might, for example, show you an insanely rich pocket of an otherwise medium-income or lower-income town. ZIP codes are there for purposes of the mail, so they don’t always cleanly align with city boundaries.
As part of our analysis, we took into consideration the latest monthly home values Zillow has — December 2024 — as well as the average of 12 months of median home values from January 2024 to December 2024, in order to gain a better picture.
Below are the 25 most expensive ZIP codes in Montana.
The Top 5 Most Expensive ZIP Codes in Montana
The No. 1 most expensive ZIP code in Montana is 59730, which covers Big Sky, Gallatin Gateway in the north, down to Sage Peak in the south. This ZIP code has been seeing wealth getting injected from the outside. The median household income in ZIP code 59730 is $85,849, while the average household income is $124,747. Home values, however, are far beyond what these levels of income can sustain. Over the last five years, the median home value in 59730 rose by an astonishing 92.2%: From $673,449 in December 2019, up to $1.294 million in December 2024.
The No. 2 most expensive ZIP code in Montana is 59931, which is centered on the town of Rollins, a beautiful locale that juts out into Flathead Lake. This place absolutely blew up in recent years. Incomes are elevated here, with the median household income being $172,750 and the mean household income $186,356. Five years ago, the median home value in ZIP code 59931 was $528,251 in December 2019. A year later, it had risen a bit but was still only $594,257. Then another year past and by December 2021, the new median home value was $893,510. As of December 2024, the median home value is almost $1.112 million — up 110.5% from five years before.
The No. 3 most expensive ZIP code in Montana — 59065 — is southeast of Gallatin Gateway, where the No. 1 most expensive ZIP code is. It covers Custer Gallatin National Forest, and includes places such as Pray, Chico, and White City. According to Census Bureau data, there are only 54 households here. The median household income is $121,071, while the average household income is $178,017. Home value appreciation was robust in ZIP code 59065, though not as lofty as in the No. 1 and No. 2 most expensive ZIP codes. From a median home value of $604,007 in December 2019, the median reached $979,240 by December 2024, an increase of 62.1% in five years.
The fourth most expensive ZIP code in Montana is 59910, which is just southwest of Rollins, where the second most expensive ZIP code is. ZIP code 59910 is centered on the town of Big Arm, which gets its name from Big Arm, a bay formed by Flathead Lake. Here, home value appreciation was comparable to that of the No. 1 and No. 2 most expensive ZIP codes. From $485,951 in December 2019, the median home value grew by 89.8%, reaching $922,552 in December 2024.
The fifth most expensive ZIP code in Montana is 59715. This ZIP code is situated on the city of Bozeman; hence it has a good amount of people, including nearly 15,700 households. The median household income in ZIP code 59715; the mean household income is $134,270. Home values certainly appreciated noticeably, but not nearly like they did in the top most expensive ZIP codes. The median home value back in December 2019 was $556,214. After five years, the median had risen by 55.9%, to reach $867,087 as of December 2024.
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