Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/57791

57791

ZIP 57791 is Wasta, South Dakota, mostly in Meade County; area code 605; Mountain time.

Type
Standard
Time zone
America/Denver
County
Meade +1 more
Metro area
Rapid City, SD
Population
97
Coordinates
44.2470, -102.4575
☼ Live from 57791 — Wasta, SD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 57791 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.

★ Weird and wonderful facts about 57791
  • 🔢 Type 57791 into a pocket calculator and turn it upside down: IGLLS — not quite a word, sorry.
  • ➕ 57791 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110000110111111
  • 🏠 Its numerical neighbours: 57790 (Wall, SD, 16 mi away) and 57792 (White Owl, SD, 25 mi away).
  • 🔄 Backwards, 57791 becomes 19775, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (15779, 17579, 17957, 57197, 57719, 59717, …). The farthest-flung twin is 17579 in Strasburg, PA, 1,373 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther west than 81%.
  • 🎯364 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57791 and you would come out at 44.25°S, 77.54°E — 494 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 31m of daylight. Shortest: 8h 51m.
  • 📏 At 288.6 square miles of land, 57791 is bigger than 94% of ZIP codes — room for about 219 Central Parks.
🌙 The sky over 57791 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population97This ZIP97
Households53This ZIP53
Housing units73This ZIP73
Median age56.0This ZIP56.0South Dakota38.0US 38.9
Median household income$42,250This ZIP$42,250South Dakota$75,081US $80,734
Median home value$112,500This ZIP$112,500South Dakota$257,400US $332,700
Median gross rent$775This ZIP$775South Dakota$946US $1,413
Bachelor's degree or higher34.4%This ZIP34.4%
Mean commute22.9 minThis ZIP22.9 min
Population density0.3 / sq miThis ZIP0.3 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees3This ZIP3
Annual payroll$335,000This ZIP$335,000

Land area

Land area288.57 sq miThis ZIP288.57 sq mi
Water area1.37 sq miThis ZIP1.37 sq mi

Counties 57791 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Meade County 70.5%
Pennington County 29.5%

Other place names in 57791

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 57791

ZIPCityDistance
57767 Owanka, SD 9.5 mi
57790 Wall, SD 16.1 mi
57761 New Underwood, SD 16.3 mi
57737 Enning, SD 21.5 mi
57792 White Owl, SD 24.6 mi
57775 Quinn, SD 25.0 mi
57719 Box Elder, SD 26.6 mi
57725 Caputa, SD 27.4 mi
57787 Union Center, SD 30.7 mi
57748 Howes, SD 32.1 mi

Find every ZIP code within 10 miles of 57791 →

Questions about this ZIP code

Where is ZIP code 57791?

57791 is in Wasta, South Dakota, in Meade County, part of the Rapid City, SD metropolitan area. Its published point location is 44.2470, -102.4575.

What county is 57791 in?

57791 spans 2 counties: Meade County and Pennington County. Most of it falls in Meade 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 57791?

Wasta uses area code 605, from NANPA's telephone records.

What time zone is 57791 in?

57791 uses America/Denver.

How many people live in 57791?

About 97 people live in ZIP code 57791, in 53 households, at 0.3 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 57791?

$42,250 a year, against $75,081 across South Dakota.

What ZIP codes are near 57791?

The closest are 57767 (9.5 mi), 57790 (16.1 mi), 57761 (16.3 mi), 57737 (21.5 mi) and 57792 (24.6 mi).

Is 57791 a PO Box ZIP code?

57791 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “57791 ZIP Code — Wasta, South Dakota (Meade County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57791

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/57791.json

Underlying data is public domain or openly licensed — sources, vintages and licences.