57717
ZIP 57717 is Belle Fourche, South Dakota, mostly in Butte County; area code 605; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Butte +4 more
- Metro area
- none
- Population
- 8,983
- Coordinates
- 44.9339, -103.8957
Weather right now
Asking the National Weather Service…
Where 57717 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 57717 into a pocket calculator and turn it upside down: LILLS — not quite a word, sorry.
- ➕ As a number, 57,717 = 3 × 3 × 11 × 11 × 53. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000101110101 - 🏠 Its numerical neighbours: 57716 (Batesland, SD, 153 mi away) and 57718 (Black Hawk, SD, 59 mi away).
- 🔄 Backwards, 57717 becomes 71775, which is not a ZIP code at all.
- 👥 4 other ZIP codes are made of exactly the same digits (15777, 75771, 77517, 77571). The farthest-flung twin is 15777 in Starford, PA, 1,292 miles away.
- 🧭 Farther north than 91% of all ZIP codes, and farther west than 82%.
- 🎯445 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57717 and you would come out at 44.93°S, 76.10°E — 412 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 36m of daylight. Shortest: 8h 46m.
- 📏 At 1,364.4 square miles of land, 57717 is bigger than 99% of ZIP codes — room for about 1,036 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,983This ZIP8,983 |
|---|---|
| Households | 3,647This ZIP3,647 |
| Housing units | 3,970This ZIP3,970 |
| Median age | 39.2This ZIP39.2South Dakota38.0US 38.9 |
| Median household income | $77,689This ZIP$77,689South Dakota$75,081US $80,734 |
| Median home value | $249,200This ZIP$249,200South Dakota$257,400US $332,700 |
| Median gross rent | $973This ZIP$973South Dakota$946US $1,413 |
| Bachelor's degree or higher | 19.5%This ZIP19.5% |
| Mean commute | 25.4 minThis ZIP25.4 min |
| Population density | 6.6 / sq miThis ZIP6.6 / sq mi |
Business and tax activity
| Business establishments | 330This ZIP330 |
|---|---|
| Employees | 2,122This ZIP2,122 |
| Annual payroll | $87,348,000This ZIP$87,348,000 |
| Tax returns filed | 4,050This ZIP4,050 |
| Total adjusted gross income | $275,238,000This ZIP$275,238,000 |
Land area
| Land area | 1,364.43 sq miThis ZIP1,364.43 sq mi |
|---|---|
| Water area | 13.02 sq miThis ZIP13.02 sq mi |
Counties 57717 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Butte County | 65.5% |
| Crook County | 15.2% |
| Carter County | 10.2% |
| Harding County | 8.6% |
| Lawrence County | 0.6% |
Other place names in 57717
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57717
| ZIP | City | Distance |
|---|---|---|
57762 | Nisland, SD | 18.4 mi |
57779 | Saint Onge, SD | 26.1 mi |
82710 | Aladdin, WY | 26.1 mi |
57760 | Newell, SD | 27.6 mi |
57776 | Redig, SD | 28.2 mi |
57799 | Spearfish, SD | 30.1 mi |
82712 | Beulah, WY | 30.3 mi |
57793 | Whitewood, SD | 32.2 mi |
82711 | Alva, WY | 32.5 mi |
57783 | Spearfish, SD | 33.0 mi |
Find every ZIP code within 10 miles of 57717 →
Questions about this ZIP code
Where is ZIP code 57717?
57717 is in Belle Fourche, South Dakota, in Butte County. Its published point location is 44.9339, -103.8957.
What county is 57717 in?
57717 spans 5 counties: Butte County, Crook County, Carter County, Harding County and Lawrence County. Most of it falls in Butte 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 57717?
Belle Fourche uses area code 605, from NANPA's telephone records.
What time zone is 57717 in?
57717 uses America/Denver.
How many people live in 57717?
About 8,983 people live in ZIP code 57717, in 3,647 households, at 6.6 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 57717?
$77,689 a year, against $75,081 across South Dakota.
What ZIP codes are near 57717?
The closest are 57762 (18.4 mi), 57779 (26.1 mi), 82710 (26.1 mi), 57760 (27.6 mi) and 57776 (28.2 mi).
Is 57717 a PO Box ZIP code?
57717 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57717 ZIP Code — Belle Fourche, South Dakota (Butte County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57717
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57717.json Underlying data is public domain or openly licensed — sources, vintages and licences.