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zipcodes.pro — ZIP/57255

57255

ZIP 57255 is New Effington, South Dakota, mostly in Roberts County; area code 605; Central time.

Type
Standard
Time zone
America/Chicago
County
Roberts +1 more
Metro area
none
Population
488
Coordinates
45.8511, -96.9480
☼ Live from 57255 — New Effington, SD

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Local time: —

Where 57255 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 57255
  • 🔢 Type 57255 into a pocket calculator and turn it upside down: SSZLS — not quite a word, sorry.
  • ➕ As a number, 57,255 = 3 × 5 × 11 × 347. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101111110100111
  • 🏠 Its numerical neighbours: 57252 (Milbank, SD, 48 mi away) and 57256 (Ortley, SD, 43 mi away).
  • 🔄 Backwards, 57255 becomes 55275, which is not a ZIP code at all.
  • 👥 10 other ZIP codes are made of exactly the same digits (25557, 25755, 27555, 52557, 52755, 55572, …). The farthest-flung twin is 27555 in Micro, NC, 1,207 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 74%.
  • 🎯424 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57255 and you would come out at 45.85°S, 83.05°E — 644 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 39m.
  • 📏 At 104.2 square miles of land, 57255 is bigger than 79% of ZIP codes — room for about 79 Central Parks.
🌙 The sky over 57255 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population488This ZIP488
Households201This ZIP201
Housing units234This ZIP234
Median age44.3This ZIP44.3South Dakota38.0US 38.9
Median household income$63,393This ZIP$63,393South Dakota$75,081US $80,734
Median gross rent$500This ZIP$500South Dakota$946US $1,413
Bachelor's degree or higher17.5%This ZIP17.5%
Mean commute15.6 minThis ZIP15.6 min
Population density4.7 / sq miThis ZIP4.7 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees32This ZIP32
Annual payroll$1,730,000This ZIP$1,730,000
Tax returns filed220This ZIP220
Total adjusted gross income$15,673,000This ZIP$15,673,000

Land area

Land area104.23 sq miThis ZIP104.23 sq mi
Water area1.58 sq miThis ZIP1.58 sq mi

Counties 57255 spans

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

CountyShare of this ZIP
Roberts County 95.5%
Richland County 4.5%

Other place names in 57255

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

ZIP codes near 57255

ZIPCityDistance
57224 Claire City, SD 10.3 mi
57260 Rosholt, SD 11.0 mi
58041 Hankinson, ND 13.0 mi
57262 Sisseton, SD 14.0 mi
58053 Lidgerwood, ND 17.8 mi
58030 Fairmount, ND 18.3 mi
57270 Veblen, SD 18.4 mi
56219 Browns Valley, MN 18.6 mi
56211 Beardsley, MN 21.8 mi
56296 Wheaton, MN 22.7 mi

Find every ZIP code within 10 miles of 57255 →

Questions about this ZIP code

Where is ZIP code 57255?

57255 is in New Effington, South Dakota, in Roberts County. Its published point location is 45.8511, -96.9480.

What county is 57255 in?

57255 spans 2 counties: Roberts County and Richland County. Most of it falls in Roberts 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 57255?

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

What time zone is 57255 in?

57255 uses America/Chicago.

How many people live in 57255?

About 488 people live in ZIP code 57255, in 201 households, at 4.7 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 57255?

$63,393 a year, against $75,081 across South Dakota.

What ZIP codes are near 57255?

The closest are 57224 (10.3 mi), 57260 (11 mi), 58041 (13 mi), 57262 (14 mi) and 58053 (17.8 mi).

Is 57255 a PO Box ZIP code?

57255 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “57255 ZIP Code — New Effington, South Dakota (Roberts County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57255

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