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Where 59520 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 59520 into a pocket calculator and turn it upside down: OZSGS — not quite a word, sorry.
- ➕ As a number, 59,520 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110100010000000 - 🏠 Its numerical neighbours: 59501 (Havre, MT, 46 mi away) and 59521 (Box Elder, MT, 18 mi away).
- 🔄 Backwards, 59520 becomes 02595, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (02559, 20559, 25059, 29055, 29505, 29550, …). The farthest-flung twin is 02559 in Pocasset, MA, 1,952 miles away.
- 🧭 Farther north than 97% of all ZIP codes, and farther west than 85%.
- 🎯799 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 59520 and you would come out at 48.04°S, 70.07°E — 91 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 16h 03m of daylight. Shortest: 8h 22m.
- 📏 At 1,120.4 square miles of land, 59520 is bigger than 99% of ZIP codes — room for about 851 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,261This ZIP1,261 |
|---|---|
| Households | 425This ZIP425 |
| Housing units | 530This ZIP530 |
| Median age | 43.7This ZIP43.7Montana40.4US 38.9 |
| Median household income | $62,109This ZIP$62,109Montana$72,509US $80,734 |
| Median home value | $204,000This ZIP$204,000Montana$375,800US $332,700 |
| Median gross rent | $563This ZIP$563Montana$1,081US $1,413 |
| Bachelor's degree or higher | 18.5%This ZIP18.5% |
| Mean commute | 17.4 minThis ZIP17.4 min |
| Population density | 1.1 / sq miThis ZIP1.1 / sq mi |
Business and tax activity
| Business establishments | 36This ZIP36 |
|---|---|
| Employees | 210This ZIP210 |
| Annual payroll | $7,322,000This ZIP$7,322,000 |
| Tax returns filed | 460This ZIP460 |
| Total adjusted gross income | $28,288,000This ZIP$28,288,000 |
Land area
| Land area | 1,120.39 sq miThis ZIP1,120.39 sq mi |
|---|---|
| Water area | 5.19 sq miThis ZIP5.19 sq mi |
Counties 59520 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Chouteau County | 97.1% |
| Blaine County | 2.3% |
| Hill County | 0.5% |
Other place names in 59520
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 59520
| ZIP | City | Distance |
|---|---|---|
59521 | Box Elder, MT | 18.5 mi |
59460 | Loma, MT | 26.7 mi |
59446 | Geraldine, MT | 28.7 mi |
59535 | Lloyd, MT | 32.1 mi |
59442 | Fort Benton, MT | 34.1 mi |
59532 | Kremlin, MT | 39.0 mi |
59430 | Denton, MT | 42.5 mi |
59489 | Winifred, MT | 43.3 mi |
59525 | Gildford, MT | 44.4 mi |
59501 | Havre, MT | 45.6 mi |
Find every ZIP code within 10 miles of 59520 →
Questions about this ZIP code
Where is ZIP code 59520?
59520 is in Big Sandy, Montana, in Chouteau County. Its published point location is 48.0381, -109.9318.
What county is 59520 in?
59520 spans 3 counties: Chouteau County, Blaine County and Hill County. Most of it falls in Chouteau County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 59520?
Big Sandy uses area code 406, from NANPA's telephone records.
What time zone is 59520 in?
59520 uses America/Denver.
How many people live in 59520?
About 1,261 people live in ZIP code 59520, in 425 households, at 1.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 59520?
$62,109 a year, against $72,509 across Montana.
What ZIP codes are near 59520?
The closest are 59521 (18.5 mi), 59460 (26.7 mi), 59446 (28.7 mi), 59535 (32.1 mi) and 59442 (34.1 mi).
Is 59520 a PO Box ZIP code?
59520 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “59520 ZIP Code — Big Sandy, Montana (Chouteau County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59520
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/59520.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.