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Where 57543 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 57543 into a pocket calculator and turn it upside down: EhSLS — not quite a word, sorry.
- ➕ As a number, 57,543 = 3 × 19181. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000011000111 - 🏠 Its numerical neighbours: 57541 (Ideal, SD, 81 mi away) and 57544 (Kennebec, SD, 84 mi away).
- 🔄 Backwards, 57543 becomes 34575, which is not a ZIP code at all.
- 👥 33 other ZIP codes are made of exactly the same digits (34755, 35457, 35475, 35574, 35745, 35754, …). The farthest-flung twin is 34755 in Minneola, FL, 1,514 miles away.
- 🧭 Farther north than 86% of all ZIP codes, and farther west than 80%.
- 🎯310 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57543 and you would come out at 43.75°S, 78.48°E — 551 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 465.7 square miles of land, 57543 is bigger than 97% of ZIP codes — room for about 354 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 721This ZIP721 |
|---|---|
| Households | 277This ZIP277 |
| Housing units | 387This ZIP387 |
| Median age | 42.3This ZIP42.3South Dakota38.0US 38.9 |
| Median household income | $36,250This ZIP$36,250South Dakota$75,081US $80,734 |
| Median home value | $160,400This ZIP$160,400South Dakota$257,400US $332,700 |
| Median gross rent | $542This ZIP$542South Dakota$946US $1,413 |
| Bachelor's degree or higher | 13.8%This ZIP13.8% |
| Mean commute | 11.8 minThis ZIP11.8 min |
| Population density | 1.5 / sq miThis ZIP1.5 / sq mi |
Business and tax activity
| Business establishments | 36This ZIP36 |
|---|---|
| Employees | 212This ZIP212 |
| Annual payroll | $6,910,000This ZIP$6,910,000 |
| Tax returns filed | 370This ZIP370 |
| Total adjusted gross income | $22,839,000This ZIP$22,839,000 |
Land area
| Land area | 465.67 sq miThis ZIP465.67 sq mi |
|---|---|
| Water area | 3.06 sq miThis ZIP3.06 sq mi |
Other place names in 57543
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57543
| ZIP | City | Distance |
|---|---|---|
57577 | Wanblee, SD | 16.9 mi |
57521 | Belvidere, SD | 17.2 mi |
57547 | Long Valley, SD | 18.5 mi |
57750 | Interior, SD | 23.7 mi |
57560 | Norris, SD | 26.5 mi |
57567 | Philip, SD | 28.2 mi |
57562 | Okaton, SD | 29.9 mi |
57775 | Quinn, SD | 33.8 mi |
57714 | Allen, SD | 35.0 mi |
57566 | Parmelee, SD | 37.3 mi |
Find every ZIP code within 10 miles of 57543 →
Questions about this ZIP code
Where is ZIP code 57543?
57543 is in Kadoka, South Dakota, in Jackson County. Its published point location is 43.7478, -101.5211.
What county is 57543 in?
57543 lies in Jackson County.
What area code is 57543?
Kadoka uses area code 605, from NANPA's telephone records.
What time zone is 57543 in?
57543 uses America/Denver.
How many people live in 57543?
About 721 people live in ZIP code 57543, in 277 households, at 1.5 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 57543?
$36,250 a year, against $75,081 across South Dakota.
What ZIP codes are near 57543?
The closest are 57577 (16.9 mi), 57521 (17.2 mi), 57547 (18.5 mi), 57750 (23.7 mi) and 57560 (26.5 mi).
Is 57543 a PO Box ZIP code?
57543 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57543 ZIP Code — Kadoka, South Dakota (Jackson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57543
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57543.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.