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Where 57242 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 57242 into a pocket calculator and turn it upside down: ZhZLS — not quite a word, sorry.
- ➕ As a number, 57,242 = 2 × 28621. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101111110011010 - 🏠 Its numerical neighbours: 57241 (Hayti, SD, 9 mi away) and 57243 (Henry, SD, 10 mi away).
- 🔄 Backwards, 57242 becomes 24275, 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, 1,191 miles away.
- 🧭 Farther north than 90% of all ZIP codes, and farther west than 75%.
- 🎯347 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57242 and you would come out at 44.77°S, 82.64°E — 664 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 35m of daylight. Shortest: 8h 47m.
- 📏 At 86.7 square miles of land, 57242 is bigger than 74% of ZIP codes — room for about 66 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 320This ZIP320 |
|---|---|
| Households | 102This ZIP102 |
| Housing units | 143This ZIP143 |
| Median age | 33.7This ZIP33.7South Dakota38.0US 38.9 |
| Median household income | $113,958This ZIP$113,958South Dakota$75,081US $80,734 |
| Median home value | $177,100This ZIP$177,100South Dakota$257,400US $332,700 |
| Median gross rent | $681This ZIP$681South Dakota$946US $1,413 |
| Bachelor's degree or higher | 24.3%This ZIP24.3% |
| Mean commute | 19.9 minThis ZIP19.9 min |
| Population density | 3.7 / sq miThis ZIP3.7 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 48This ZIP48 |
| Annual payroll | $1,958,000This ZIP$1,958,000 |
| Tax returns filed | 220This ZIP220 |
| Total adjusted gross income | $19,473,000This ZIP$19,473,000 |
Land area
| Land area | 86.67 sq miThis ZIP86.67 sq mi |
|---|---|
| Water area | 0.03 sq miThis ZIP0.03 sq mi |
Counties 57242 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Hamlin County | 79.7% |
| Codington County | 20.3% |
Other place names in 57242
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57242
| ZIP | City | Distance |
|---|---|---|
57241 | Hayti, SD | 8.8 mi |
57271 | Vienna, SD | 8.9 mi |
57243 | Henry, SD | 10.4 mi |
57221 | Bryant, SD | 12.1 mi |
57248 | Lake Norden, SD | 15.6 mi |
57201 | Watertown, SD | 17.2 mi |
57278 | Willow Lake, SD | 18.1 mi |
57223 | Castlewood, SD | 18.3 mi |
57233 | Erwin, SD | 18.4 mi |
57236 | Garden City, SD | 18.4 mi |
Find every ZIP code within 10 miles of 57242 →
Questions about this ZIP code
Where is ZIP code 57242?
57242 is in Hazel, South Dakota, in Hamlin County. Its published point location is 44.7741, -97.3580.
What county is 57242 in?
57242 spans 2 counties: Hamlin County and Codington County. Most of it falls in Hamlin 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 57242?
Hazel uses area code 605, from NANPA's telephone records.
What time zone is 57242 in?
57242 uses America/Chicago.
How many people live in 57242?
About 320 people live in ZIP code 57242, in 102 households, at 3.7 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 57242?
$113,958 a year, against $75,081 across South Dakota.
What ZIP codes are near 57242?
The closest are 57241 (8.8 mi), 57271 (8.9 mi), 57243 (10.4 mi), 57221 (12.1 mi) and 57248 (15.6 mi).
Is 57242 a PO Box ZIP code?
57242 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57242 ZIP Code — Hazel, South Dakota (Hamlin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57242
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57242.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.