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Where 57660 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 57660 into a pocket calculator and turn it upside down: OggLS — not quite a word, sorry.
- ➕ As a number, 57,660 = 2 × 2 × 3 × 5 × 31 × 31. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000100111100 - 🏠 Its numerical neighbours: 57659 (Walker, SD, 21 mi away) and 57661 (Whitehorse, SD, 47 mi away).
- 🔄 Backwards, 57660 becomes 06675, which is not a ZIP code at all.
- 👥 30 other ZIP codes are made of exactly the same digits (05667, 05676, 05766, 06756, 07656, 50667, …). The farthest-flung twin is 06756 in Goshen, CT, 1,429 miles away.
- 🧭 Farther north than 93% of all ZIP codes, and farther west than 80%.
- 🎯441 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57660 and you would come out at 45.83°S, 78.47°E — 454 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 44m of daylight. Shortest: 8h 40m.
- 📏 At 197.7 square miles of land, 57660 is bigger than 91% of ZIP codes — room for about 150 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 111This ZIP111 |
|---|---|
| Households | 49This ZIP49 |
| Housing units | 55This ZIP55 |
| Median age | 35.8This ZIP35.8South Dakota38.0US 38.9 |
| Median household income | $67,292This ZIP$67,292South Dakota$75,081US $80,734 |
| Median home value | $86,300This ZIP$86,300South Dakota$257,400US $332,700 |
| Bachelor's degree or higher | 25.0%This ZIP25.0% |
| Mean commute | 17.6 minThis ZIP17.6 min |
| Population density | 0.6 / sq miThis ZIP0.6 / sq mi |
Land area
| Land area | 197.73 sq miThis ZIP197.73 sq mi |
|---|---|
| Water area | 0.50 sq miThis ZIP0.50 sq mi |
Counties 57660 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Corson County | 88.0% |
| Sioux County | 12.0% |
ZIP codes near 57660
| ZIP | City | Distance |
|---|---|---|
57645 | Morristown, SD | 10.3 mi |
57641 | Mc Intosh, SD | 11.5 mi |
57634 | Keldron, SD | 16.6 mi |
57659 | Walker, SD | 21.4 mi |
57621 | Bullhead, SD | 22.0 mi |
57633 | Isabel, SD | 27.0 mi |
58564 | Raleigh, ND | 31.3 mi |
58568 | Selfridge, ND | 31.5 mi |
58529 | Carson, ND | 32.8 mi |
57638 | Lemmon, SD | 33.8 mi |
Find every ZIP code within 10 miles of 57660 →
Questions about this ZIP code
Where is ZIP code 57660?
57660 is in Watauga, South Dakota, in Corson County. Its published point location is 45.8321, -101.5308.
What county is 57660 in?
57660 spans 2 counties: Corson County and Sioux County. Most of it falls in Corson 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 time zone is 57660 in?
57660 uses America/Denver.
How many people live in 57660?
About 111 people live in ZIP code 57660, in 49 households, at 0.6 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 57660?
$67,292 a year, against $75,081 across South Dakota.
What ZIP codes are near 57660?
The closest are 57645 (10.3 mi), 57641 (11.5 mi), 57634 (16.6 mi), 57659 (21.4 mi) and 57621 (22 mi).
Is 57660 a PO Box ZIP code?
57660 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57660 ZIP Code — Watauga, South Dakota (Corson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57660
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57660.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.