Big Sandy ZIP code, Montana
The ZIP code for Big Sandy, MT is 59520, and its area code is 406.
- USPS city name
- 1 ZIP code
- Population
- 784
- Area code
- 406
- County
- Chouteau County
- State
- Montana
Big Sandy in numbers
About 784 people live in Big Sandy, in 259 households. The median household income is $60,521 a year, 17% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $187,500 (50% below the Montana median), and median gross rent is $550 a month. The median age is 43.4; 17.2% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 17 minutes.
| Population | 784 |
|---|---|
| Households | 259 |
| Median age | 43.4 |
| Median household income | $60,521 |
| Median home value | $187,500 |
| Median gross rent | $550 |
| Bachelor's degree or higher | 17.2% |
| Mean commute | 16.5 min |
| Population density | 1,644 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Big Sandy town. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Big Sandy
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59520 | Big Sandy , MT | Standard | 1,261 | $62,109 | $204,000 |
Map of Big Sandy ZIP codes
The ZIP codes of Big Sandy, 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 Big Sandy
The nearest larger towns are Rocky Boy West (1,007 people, 9.9 mi), Havre (9,258 people, 32 mi) and Havre North (890 people, 33 mi).
More nearby: every ZIP code in Chouteau County · Montana ZIP codes
Cite this page
zipcodes.pro. “Big Sandy, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/big-sandy
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