Libby ZIP code, Montana
The ZIP code for Libby, MT is 59923, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 3,042
- Area code
- 406
- County
- Lincoln County
- State
- Montana
Libby in numbers
About 3,042 people live in Libby, in 1,512 households, the 38th-largest of Montana's 475 census places. The median household income is $34,143 a year, 53% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $257,400 (32% below the Montana median), and median gross rent is $672 a month. The median age is 51.0; 19.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 9 minutes.
| Population | 3,042 |
|---|---|
| Households | 1,512 |
| Median age | 51.0 |
| Median household income | $34,143 |
| Median home value | $257,400 |
| Median gross rent | $672 |
| Bachelor's degree or higher | 19.4% |
| Mean commute | 9.2 min |
| Population density | 1,651 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Libby city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Libby
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59923 | Libby , MT | Standard | 10,450 | $44,980 | $272,000 |
Map of Libby ZIP codes
The ZIP codes of Libby, MT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Libby
The nearest larger towns are Sandpoint, ID (9,637 people, 47 mi), Whitefish (8,749 people, 56 mi) and Kalispell (28,504 people, 58 mi).
More nearby: every ZIP code in Lincoln County · Montana ZIP codes
Cite this page
zipcodes.pro. “Libby, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/libby
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