57001
ZIP 57001 is Alcester, South Dakota, mostly in Union County; area code 605; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Union +1 more
- Metro area
- Sioux City, IA-NE-SD
- Population
- 1,540
- Coordinates
- 43.0042, -96.6573
Weather right now
Asking the National Weather Service…
Where 57001 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.
- 🔢 Type 57001 into a pocket calculator and turn it upside down: IOOLS — not quite a word, sorry.
- ➕ As a number, 57,001 = 7 × 17 × 479. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101111010101001 - 🏠 Its numerical neighbours: 56972 (Washington, DC, 1,060 mi away) and 57002 (Aurora, SD, 89 mi away). Next door on paper, a road trip in real life.
- 🔄 Backwards, 57001 becomes 10075 — and that is a real ZIP code: New York, NY, 1,174 miles away.
- 👥 34 other ZIP codes are made of exactly the same digits (00715, 00751, 01057, 01075, 01507, 01570, …). The farthest-flung twin is 00751 in Salinas, PR, 2,476 miles away.
- 🧭 Farther north than 83% of all ZIP codes, and farther west than 73%.
- 🎯241 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57001 and you would come out at 43.00°S, 83.34°E — 764 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
- 📏 At 99.3 square miles of land, 57001 is bigger than 78% of ZIP codes — room for about 75 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,540This ZIP1,540 |
|---|---|
| Households | 633This ZIP633 |
| Housing units | 661This ZIP661 |
| Median age | 44.3This ZIP44.3South Dakota38.0US 38.9 |
| Median household income | $69,531This ZIP$69,531South Dakota$75,081US $80,734 |
| Median home value | $177,400This ZIP$177,400South Dakota$257,400US $332,700 |
| Median gross rent | $839This ZIP$839South Dakota$946US $1,413 |
| Bachelor's degree or higher | 24.4%This ZIP24.4% |
| Mean commute | 20.9 minThis ZIP20.9 min |
| Population density | 15.5 / sq miThis ZIP15.5 / sq mi |
Business and tax activity
| Business establishments | 45This ZIP45 |
|---|---|
| Employees | 343This ZIP343 |
| Annual payroll | $15,881,000This ZIP$15,881,000 |
| Tax returns filed | 710This ZIP710 |
| Total adjusted gross income | $50,583,000This ZIP$50,583,000 |
Land area
| Land area | 99.26 sq miThis ZIP99.26 sq mi |
|---|---|
| Water area | 0.11 sq miThis ZIP0.11 sq mi |
Counties 57001 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Union County | 93.4% |
| Lincoln County | 6.6% |
Other place names in 57001
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57001
| ZIP | City | Distance |
|---|---|---|
57004 | Beresford, SD | 8.4 mi |
51011 | Chatsworth, IA | 9.5 mi |
51023 | Hawarden, IA | 9.8 mi |
57034 | Hudson, SD | 10.0 mi |
51001 | Akron, IA | 12.6 mi |
57027 | Fairview, SD | 14.7 mi |
57010 | Burbank, SD | 15.5 mi |
57014 | Centerville, SD | 16.8 mi |
51027 | Ireton, IA | 16.9 mi |
57013 | Canton, SD | 19.3 mi |
Find every ZIP code within 10 miles of 57001 →
Questions about this ZIP code
Where is ZIP code 57001?
57001 is in Alcester, South Dakota, in Union County, part of the Sioux City, IA-NE-SD metropolitan area. Its published point location is 43.0042, -96.6573.
What county is 57001 in?
57001 spans 2 counties: Union County and Lincoln County. Most of it falls in Union 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 57001?
Alcester uses area code 605, from NANPA's telephone records.
What time zone is 57001 in?
57001 uses America/Chicago.
How many people live in 57001?
About 1,540 people live in ZIP code 57001, in 633 households, at 15.5 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 57001?
$69,531 a year, against $75,081 across South Dakota.
What ZIP codes are near 57001?
The closest are 57004 (8.4 mi), 51011 (9.5 mi), 51023 (9.8 mi), 57034 (10 mi) and 51001 (12.6 mi).
Is 57001 a PO Box ZIP code?
57001 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57001 ZIP Code — Alcester, South Dakota (Union County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57001
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57001.json Underlying data is public domain or openly licensed — sources, vintages and licences.