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Where 57438 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 57438 into a pocket calculator and turn it upside down: BEhLS — not quite a word, sorry.
- ➕ As a number, 57,438 = 2 × 3 × 3 × 3191. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001011110 - 🏠 Its numerical neighbours: 57437 (Eureka, SD, 55 mi away) and 57439 (Ferney, SD, 55 mi away).
- 🔄 Backwards, 57438 becomes 83475, which is not a ZIP code at all.
- 👥 50 other ZIP codes are made of exactly the same digits (34758, 34785, 35478, 35487, 35748, 37845, …). The farthest-flung twin is 34758 in Kissimmee, FL, 1,516 miles away.
- 🧭 Farther north than 91% of all ZIP codes, and farther west than 79%.
- 🎯363 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57438 and you would come out at 45.07°S, 80.85°E — 579 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 38m of daylight. Shortest: 8h 45m.
- 📏 At 435.1 square miles of land, 57438 is bigger than 97% of ZIP codes — room for about 330 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 973This ZIP973 |
|---|---|
| Households | 413This ZIP413 |
| Housing units | 557This ZIP557 |
| Median age | 43.2This ZIP43.2South Dakota38.0US 38.9 |
| Median household income | $70,673This ZIP$70,673South Dakota$75,081US $80,734 |
| Median home value | $134,400This ZIP$134,400South Dakota$257,400US $332,700 |
| Median gross rent | $791This ZIP$791South Dakota$946US $1,413 |
| Bachelor's degree or higher | 24.9%This ZIP24.9% |
| Mean commute | 14.9 minThis ZIP14.9 min |
| Population density | 2.2 / sq miThis ZIP2.2 / sq mi |
Business and tax activity
| Business establishments | 49This ZIP49 |
|---|---|
| Employees | 366This ZIP366 |
| Annual payroll | $15,879,000This ZIP$15,879,000 |
| Tax returns filed | 610This ZIP610 |
| Total adjusted gross income | $47,092,000This ZIP$47,092,000 |
Land area
| Land area | 435.10 sq miThis ZIP435.10 sq mi |
|---|---|
| Water area | 10.01 sq miThis ZIP10.01 sq mi |
Other place names in 57438
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57438
| ZIP | City | Distance |
|---|---|---|
57435 | Cresbard, SD | 13.2 mi |
57467 | Orient, SD | 15.9 mi |
57473 | Seneca, SD | 16.3 mi |
57466 | Onaka, SD | 17.4 mi |
57470 | Rockham, SD | 17.8 mi |
57465 | Northville, SD | 24.5 mi |
57471 | Roscoe, SD | 24.8 mi |
57475 | Tolstoy, SD | 25.4 mi |
57455 | Lebanon, SD | 26.2 mi |
57460 | Mansfield, SD | 27.8 mi |
Find every ZIP code within 10 miles of 57438 →
Questions about this ZIP code
Where is ZIP code 57438?
57438 is in Faulkton, South Dakota, in Faulk County. Its published point location is 45.0655, -99.1536.
What county is 57438 in?
57438 lies in Faulk County.
What area code is 57438?
Faulkton uses area code 605, from NANPA's telephone records.
What time zone is 57438 in?
57438 uses America/Chicago.
How many people live in 57438?
About 973 people live in ZIP code 57438, in 413 households, at 2.2 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 57438?
$70,673 a year, against $75,081 across South Dakota.
What ZIP codes are near 57438?
The closest are 57435 (13.2 mi), 57467 (15.9 mi), 57473 (16.3 mi), 57466 (17.4 mi) and 57470 (17.8 mi).
Is 57438 a PO Box ZIP code?
57438 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57438 ZIP Code — Faulkton, South Dakota (Faulk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57438
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57438.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.