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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/57105

57105

ZIP 57105 is in Sioux Falls, South Dakota, in Minnehaha County; area code 605; Central time. Sioux Falls has 15 ZIP codes in all.

Upside down on a calculator, 57105 reads SOILS.

Type
Standard
Time zone
America/Chicago
County
Minnehaha
Metro area
Sioux Falls, SD-MN
Population
23,287
Coordinates
43.5203, -96.7356
☼ Live from 57105 — Sioux Falls, SD

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Where 57105 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 57105
  • 🔢 Type 57105 into a pocket calculator and turn it upside down: SOILS — a real word! rare
  • ➕ As a number, 57,105 = 3 × 3 × 3 × 3 × 3 × 5 × 47. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101111100010001
  • 🏠 Its numerical neighbours: 57104 (Sioux Falls, SD, 6 mi away) and 57106 (Sioux Falls, SD, 5 mi away).
  • 🔄 Backwards, 57105 becomes 50175, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (05751, 15057, 15075, 15705, 15750, 17055, …). The farthest-flung twin is 05751 in Killington, VT, 1,194 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 73%.
  • 🎯272 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57105 and you would come out at 43.52°S, 83.26°E — 739 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 7.5 square miles of land, 57105 is bigger than 24% of ZIP codes — room for about 5.7 Central Parks.
🌙 The sky over 57105 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,287This ZIP23,287
Households10,077This ZIP10,077
Housing units10,732This ZIP10,732
Median age37.7This ZIP37.7South Dakota38.0US 38.9
Median household income$77,292This ZIP$77,292South Dakota$75,081US $80,734
Median home value$276,100This ZIP$276,100South Dakota$257,400US $332,700
Median gross rent$953This ZIP$953South Dakota$946US $1,413
Bachelor's degree or higher44.4%This ZIP44.4%
Mean commute14.5 minThis ZIP14.5 min
Population density3,097.1 / sq miThis ZIP3,097.1 / sq mi

Business and tax activity

Business establishments968This ZIP968
Employees21,732This ZIP21,732
Annual payroll$1,216,977,000This ZIP$1,216,977,000
Tax returns filed11,000This ZIP11,000
Total adjusted gross income$1,128,179,000This ZIP$1,128,179,000

Land area

Land area7.52 sq miThis ZIP7.52 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 57105

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

ZIP codes near 57105

ZIPCityDistance
57197 Sioux Falls, SD 0.3 mi
57117 Sioux Falls, SD 1.2 mi
57186 Sioux Falls, SD 1.5 mi
57103 Sioux Falls, SD 2.5 mi
57101 Sioux Falls, SD 2.9 mi
57108 Sioux Falls, SD 3.3 mi
57106 Sioux Falls, SD 5.1 mi
57110 Sioux Falls, SD 5.2 mi
57104 Sioux Falls, SD 5.9 mi
57107 Sioux Falls, SD 6.8 mi

Find every ZIP code within 10 miles of 57105 →

Questions about this ZIP code

Where is ZIP code 57105?

57105 is in Sioux Falls, South Dakota, in Minnehaha County, part of the Sioux Falls, SD-MN metropolitan area. Its published point location is 43.5203, -96.7356.

What county is 57105 in?

57105 lies in Minnehaha County.

What area code is 57105?

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

What time zone is 57105 in?

57105 uses America/Chicago.

How many people live in 57105?

About 23,287 people live in ZIP code 57105, in 10,077 households, at 3,097.1 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 57105?

$77,292 a year, against $75,081 across South Dakota.

What ZIP codes are near 57105?

The closest are 57197 (0.3 mi), 57117 (1.2 mi), 57186 (1.5 mi), 57103 (2.5 mi) and 57101 (2.9 mi).

Is 57105 a PO Box ZIP code?

57105 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “57105 ZIP Code — Sioux Falls, South Dakota (Minnehaha County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57105

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