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Where 57577 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 57577 into a pocket calculator and turn it upside down: LLSLS — not quite a word, sorry.
- ➕ As a number, 57,577 = 13 × 43 × 103. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000011101001 - 🏠 Its numerical neighbours: 57576 (Vivian, SD, 73 mi away) and 57579 (White River, SD, 44 mi away).
- 🔄 Backwards, 57577 becomes 77575 — and that is a real ZIP code: Liberty, TX, 1,003 miles away.
- 👥 4 other ZIP codes are made of exactly the same digits (55777, 57775, 75757, 77575). The farthest-flung twin is 77575 in Liberty, TX, 1,003 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 81%.
- 🎯301 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57577 and you would come out at 43.52°S, 78.34°E — 558 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
- 📏 At 218.7 square miles of land, 57577 is bigger than 92% of ZIP codes — room for about 166 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 940This ZIP940 |
|---|---|
| Households | 238This ZIP238 |
| Housing units | 274This ZIP274 |
| Median age | 27.8This ZIP27.8South Dakota38.0US 38.9 |
| Median household income | $20,625This ZIP$20,625South Dakota$75,081US $80,734 |
| Median gross rent | $402This ZIP$402South Dakota$946US $1,413 |
| Bachelor's degree or higher | 5.5%This ZIP5.5% |
| Mean commute | 5.2 minThis ZIP5.2 min |
| Population density | 4.3 / sq miThis ZIP4.3 / sq mi |
Business and tax activity
| Tax returns filed | 320This ZIP320 |
|---|---|
| Total adjusted gross income | $10,495,000This ZIP$10,495,000 |
Land area
| Land area | 218.67 sq miThis ZIP218.67 sq mi |
|---|---|
| Water area | 0.22 sq miThis ZIP0.22 sq mi |
Counties 57577 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Jackson County | 96.1% |
| Bennett County | 3.9% |
Other place names in 57577
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57577
| ZIP | City | Distance |
|---|---|---|
57547 | Long Valley, SD | 11.9 mi |
57750 | Interior, SD | 15.3 mi |
57543 | Kadoka, SD | 16.9 mi |
57714 | Allen, SD | 18.7 mi |
57551 | Martin, SD | 23.1 mi |
57560 | Norris, SD | 23.2 mi |
57752 | Kyle, SD | 28.1 mi |
57521 | Belvidere, SD | 30.0 mi |
57574 | Tuthill, SD | 30.7 mi |
57566 | Parmelee, SD | 32.1 mi |
Find every ZIP code within 10 miles of 57577 →
Questions about this ZIP code
Where is ZIP code 57577?
57577 is in Wanblee, South Dakota, in Jackson County. Its published point location is 43.5238, -101.6559.
What county is 57577 in?
57577 spans 2 counties: Jackson County and Bennett County. Most of it falls in Jackson 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 57577?
Wanblee uses area code 605, from NANPA's telephone records.
What time zone is 57577 in?
57577 uses America/Denver.
How many people live in 57577?
About 940 people live in ZIP code 57577, in 238 households, at 4.3 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 57577?
$20,625 a year, against $75,081 across South Dakota.
What ZIP codes are near 57577?
The closest are 57547 (11.9 mi), 57750 (15.3 mi), 57543 (16.9 mi), 57714 (18.7 mi) and 57551 (23.1 mi).
Is 57577 a PO Box ZIP code?
57577 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57577 ZIP Code — Wanblee, South Dakota (Jackson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57577
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57577.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.