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Where 57454 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 57454 into a pocket calculator and turn it upside down: hShLS — not quite a word, sorry.
- ➕ As a number, 57,454 = 2 × 23 × 1249. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001101110 - 🏠 Its numerical neighbours: 57452 (Java, SD, 102 mi away) and 57455 (Lebanon, SD, 102 mi away).
- 🔄 Backwards, 57454 becomes 45475 — and that is a real ZIP code: Dayton, OH, 795 miles away.
- 👥 18 other ZIP codes are made of exactly the same digits (45475, 45745, 47455, 47545, 54457, 54475, …). The farthest-flung twin is 45745 in Lower Salem, OH, 931 miles away.
- 🧭 Farther north than 93% of all ZIP codes, and farther west than 76%.
- 🎯402 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57454 and you would come out at 45.61°S, 82.24°E — 617 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 42m of daylight. Shortest: 8h 41m.
- 📏 At 151.3 square miles of land, 57454 is bigger than 86% of ZIP codes — room for about 115 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 732This ZIP732 |
|---|---|
| Households | 236This ZIP236 |
| Housing units | 289This ZIP289 |
| Median age | 39.2This ZIP39.2South Dakota38.0US 38.9 |
| Median household income | $81,250This ZIP$81,250South Dakota$75,081US $80,734 |
| Median home value | $155,300This ZIP$155,300South Dakota$257,400US $332,700 |
| Median gross rent | $735This ZIP$735South Dakota$946US $1,413 |
| Bachelor's degree or higher | 20.5%This ZIP20.5% |
| Mean commute | 17.2 minThis ZIP17.2 min |
| Population density | 4.8 / sq miThis ZIP4.8 / sq mi |
Business and tax activity
| Business establishments | 15This ZIP15 |
|---|---|
| Employees | 63This ZIP63 |
| Annual payroll | $2,521,000This ZIP$2,521,000 |
| Tax returns filed | 260This ZIP260 |
| Total adjusted gross income | $21,708,000This ZIP$21,708,000 |
Land area
| Land area | 151.32 sq miThis ZIP151.32 sq mi |
|---|---|
| Water area | 4.20 sq miThis ZIP4.20 sq mi |
Counties 57454 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Marshall County | 69.7% |
| Day County | 30.3% |
Other place names in 57454
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57454
| ZIP | City | Distance |
|---|---|---|
57468 | Pierpont, SD | 8.1 mi |
57421 | Amherst, SD | 12.2 mi |
57261 | Roslyn, SD | 13.5 mi |
57432 | Claremont, SD | 13.9 mi |
57422 | Andover, SD | 15.2 mi |
57430 | Britton, SD | 15.6 mi |
57247 | Lake City, SD | 16.0 mi |
57232 | Eden, SD | 17.5 mi |
57445 | Groton, SD | 19.9 mi |
57449 | Houghton, SD | 21.5 mi |
Find every ZIP code within 10 miles of 57454 →
Questions about this ZIP code
Where is ZIP code 57454?
57454 is in Langford, South Dakota, in Marshall County. Its published point location is 45.6116, -97.7615.
What county is 57454 in?
57454 spans 2 counties: Marshall County and Day County. Most of it falls in Marshall 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 57454?
Langford uses area code 605, from NANPA's telephone records.
What time zone is 57454 in?
57454 uses America/Chicago.
How many people live in 57454?
About 732 people live in ZIP code 57454, in 236 households, at 4.8 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 57454?
$81,250 a year, against $75,081 across South Dakota.
What ZIP codes are near 57454?
The closest are 57468 (8.1 mi), 57421 (12.2 mi), 57261 (13.5 mi), 57432 (13.9 mi) and 57422 (15.2 mi).
Is 57454 a PO Box ZIP code?
57454 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57454 ZIP Code — Langford, South Dakota (Marshall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57454
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57454.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.