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/57003

57003

ZIP 57003 is Baltic, South Dakota, in Minnehaha County; area code 605; Central time.

Type
Standard
Time zone
America/Chicago
County
Minnehaha
Metro area
Sioux Falls, SD-MN
Population
2,274
Coordinates
43.7463, -96.7554
☼ Live from 57003 — Baltic, SD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 57003 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 57003
  • 🔢 Type 57003 into a pocket calculator and turn it upside down: EOOLS — not quite a word, sorry.
  • ➕ As a number, 57,003 = 3 × 19001. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101111010101011
  • 🏠 Its numerical neighbours: 57002 (Aurora, SD, 38 mi away) and 57004 (Beresford, SD, 46 mi away).
  • 🔄 Backwards, 57003 becomes 30075 — and that is a real ZIP code: Roswell, GA, 942 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (00735, 03057, 03570, 03750, 05037, 05073, …). The farthest-flung twin is 00735 in Ceiba, PR, 2,520 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther west than 73%.
  • 🎯287 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57003 and you would come out at 43.75°S, 83.24°E — 729 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
  • 📏 At 51.0 square miles of land, 57003 is bigger than 60% of ZIP codes — room for about 39 Central Parks.
🌙 The sky over 57003 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,274This ZIP2,274
Households739This ZIP739
Housing units783This ZIP783
Median age33.2This ZIP33.2South Dakota38.0US 38.9
Median household income$111,932This ZIP$111,932South Dakota$75,081US $80,734
Median home value$281,500This ZIP$281,500South Dakota$257,400US $332,700
Median gross rent$1,591This ZIP$1,591South Dakota$946US $1,413
Bachelor's degree or higher23.8%This ZIP23.8%
Mean commute21.4 minThis ZIP21.4 min
Population density44.6 / sq miThis ZIP44.6 / sq mi

Business and tax activity

Business establishments50This ZIP50
Employees352This ZIP352
Annual payroll$22,350,000This ZIP$22,350,000
Tax returns filed1,110This ZIP1,110
Total adjusted gross income$118,157,000This ZIP$118,157,000

Land area

Land area50.99 sq miThis ZIP50.99 sq mi
Water area0.23 sq miThis ZIP0.23 sq mi

Other place names in 57003

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

ZIP codes near 57003

ZIPCityDistance
57109 Sioux Falls, SD 5.3 mi
57118 Sioux Falls, SD 5.3 mi
57193 Sioux Falls, SD 5.3 mi
57198 Sioux Falls, SD 5.3 mi
57055 Renner, SD 5.5 mi
57020 Crooks, SD 5.5 mi
57041 Lyons, SD 6.6 mi
57022 Dell Rapids, SD 7.7 mi
57104 Sioux Falls, SD 10.2 mi
57030 Garretson, SD 10.6 mi

Find every ZIP code within 10 miles of 57003 →

Questions about this ZIP code

Where is ZIP code 57003?

57003 is in Baltic, South Dakota, in Minnehaha County, part of the Sioux Falls, SD-MN metropolitan area. Its published point location is 43.7463, -96.7554.

What county is 57003 in?

57003 lies in Minnehaha County.

What area code is 57003?

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

What time zone is 57003 in?

57003 uses America/Chicago.

How many people live in 57003?

About 2,274 people live in ZIP code 57003, in 739 households, at 44.6 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 57003?

$111,932 a year, against $75,081 across South Dakota.

What ZIP codes are near 57003?

The closest are 57109 (5.3 mi), 57118 (5.3 mi), 57193 (5.3 mi), 57198 (5.3 mi) and 57055 (5.5 mi).

Is 57003 a PO Box ZIP code?

57003 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “57003 ZIP Code — Baltic, South Dakota (Minnehaha County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57003

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/57003.json

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