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Where 57422 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 57422 into a pocket calculator and turn it upside down: ZZhLS — not quite a word, sorry.
- ➕ As a number, 57,422 = 2 × 28711. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001001110 - 🏠 Its numerical neighbours: 57421 (Amherst, SD, 23 mi away) and 57424 (Ashton, SD, 40 mi away).
- 🔄 Backwards, 57422 becomes 22475, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (22547, 24527, 24572, 25247, 25427, 25724, …). The farthest-flung twin is 27542 in Kenly, NC, 1,236 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 77%.
- 🎯388 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57422 and you would come out at 45.42°S, 82.07°E — 616 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 40m of daylight. Shortest: 8h 43m.
- 📏 At 111.9 square miles of land, 57422 is bigger than 80% of ZIP codes — room for about 85 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 174This ZIP174 |
|---|---|
| Households | 82This ZIP82 |
| Housing units | 106This ZIP106 |
| Median age | 45.9This ZIP45.9South Dakota38.0US 38.9 |
| Median household income | $88,125This ZIP$88,125South Dakota$75,081US $80,734 |
| Bachelor's degree or higher | 29.6%This ZIP29.6% |
| Mean commute | 19.3 minThis ZIP19.3 min |
| Population density | 1.6 / sq miThis ZIP1.6 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 47This ZIP47 |
| Annual payroll | $2,281,000This ZIP$2,281,000 |
Land area
| Land area | 111.86 sq miThis ZIP111.86 sq mi |
|---|---|
| Water area | 0.53 sq miThis ZIP0.53 sq mi |
Counties 57422 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Day County | 95.5% |
| Brown County | 4.5% |
Other place names in 57422
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57422
| ZIP | City | Distance |
|---|---|---|
57445 | Groton, SD | 9.5 mi |
57468 | Pierpont, SD | 10.2 mi |
57439 | Ferney, SD | 10.4 mi |
57219 | Bristol, SD | 11.3 mi |
57454 | Langford, SD | 15.2 mi |
57432 | Claremont, SD | 18.5 mi |
57434 | Conde, SD | 19.1 mi |
57427 | Bath, SD | 19.3 mi |
57474 | Stratford, SD | 19.4 mi |
57274 | Webster, SD | 19.7 mi |
Find every ZIP code within 10 miles of 57422 →
Questions about this ZIP code
Where is ZIP code 57422?
57422 is in Andover, South Dakota, in Day County. Its published point location is 45.4250, -97.9278.
What county is 57422 in?
57422 spans 2 counties: Day County and Brown County. Most of it falls in Day 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 57422?
Andover uses area code 605, from NANPA's telephone records.
What time zone is 57422 in?
57422 uses America/Chicago.
How many people live in 57422?
About 174 people live in ZIP code 57422, in 82 households, at 1.6 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 57422?
$88,125 a year, against $75,081 across South Dakota.
What ZIP codes are near 57422?
The closest are 57445 (9.5 mi), 57468 (10.2 mi), 57439 (10.4 mi), 57219 (11.3 mi) and 57454 (15.2 mi).
Is 57422 a PO Box ZIP code?
57422 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57422 ZIP Code — Andover, South Dakota (Day County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57422
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57422.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.