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zipcodes.pro — ZIP/57775

57775

ZIP 57775 is Quinn, South Dakota, mostly in Pennington County; area code 605; Mountain time.

Type
Standard
Time zone
America/Denver
County
Pennington +2 more
Metro area
Rapid City, SD
Population
191
Coordinates
44.0930, -102.0017
☼ Live from 57775 — Quinn, SD

Weather right now

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Local time: —

Where 57775 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 57775
  • 🔢 Type 57775 into a pocket calculator and turn it upside down: SLLLS — not quite a word, sorry.
  • ⇆57775 reads the same backwards. It is one of only 412 palindromic ZIP codes.
  • ➕ As a number, 57,775 = 5 × 5 × 2311. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110000110101111
  • 🏠 Its numerical neighbours: 57773 (Pringle, SD, 86 mi away) and 57776 (Redig, SD, 108 mi away).
  • 👥 4 other ZIP codes are made of exactly the same digits (55777, 57577, 75757, 77575). The farthest-flung twin is 77575 in Liberty, TX, 1,046 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther west than 81%.
  • 🎯343 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57775 and you would come out at 44.09°S, 78.00°E — 517 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 30m of daylight. Shortest: 8h 52m.
  • 📏 At 291.3 square miles of land, 57775 is bigger than 95% of ZIP codes — room for about 221 Central Parks.
🌙 The sky over 57775 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population191This ZIP191
Households63This ZIP63
Housing units96This ZIP96
Median age34.1This ZIP34.1South Dakota38.0US 38.9
Median household income$77,750This ZIP$77,750South Dakota$75,081US $80,734
Median home value$87,700This ZIP$87,700South Dakota$257,400US $332,700
Bachelor's degree or higher38.5%This ZIP38.5%
Mean commute16.3 minThis ZIP16.3 min
Population density0.7 / sq miThis ZIP0.7 / sq mi

Land area

Land area291.33 sq miThis ZIP291.33 sq mi
Water area1.46 sq miThis ZIP1.46 sq mi

Counties 57775 spans

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

CountyShare of this ZIP
Pennington County 45.6%
Haakon County 40.3%
Jackson County 14.1%

Other place names in 57775

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

ZIP codes near 57775

ZIPCityDistance
57790 Wall, SD 9.9 mi
57567 Philip, SD 14.8 mi
57791 Wasta, SD 25.0 mi
57767 Owanka, SD 28.4 mi
57553 Milesville, SD 31.7 mi
57780 Scenic, SD 32.7 mi
57543 Kadoka, SD 33.8 mi
57748 Howes, SD 34.0 mi
57750 Interior, SD 34.7 mi
57792 White Owl, SD 39.3 mi

Find every ZIP code within 10 miles of 57775 →

Questions about this ZIP code

Where is ZIP code 57775?

57775 is in Quinn, South Dakota, in Pennington County, part of the Rapid City, SD metropolitan area. Its published point location is 44.0930, -102.0017.

What county is 57775 in?

57775 spans 3 counties: Pennington County, Haakon County and Jackson County. Most of it falls in Pennington 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 57775?

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

What time zone is 57775 in?

57775 uses America/Denver.

How many people live in 57775?

About 191 people live in ZIP code 57775, in 63 households, at 0.7 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 57775?

$77,750 a year, against $75,081 across South Dakota.

What ZIP codes are near 57775?

The closest are 57790 (9.9 mi), 57567 (14.8 mi), 57791 (25 mi), 57767 (28.4 mi) and 57553 (31.7 mi).

Is 57775 a PO Box ZIP code?

57775 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “57775 ZIP Code — Quinn, South Dakota (Pennington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57775

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