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Where 57271 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 57271 into a pocket calculator and turn it upside down: ILZLS — not quite a word, sorry.
- ➕ 57271 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101111110110111 - 🏠 Its numerical neighbours: 57270 (Veblen, SD, 76 mi away) and 57272 (Wallace, SD, 24 mi away).
- 🔄 Backwards, 57271 becomes 17275, which is not a ZIP code at all.
- 👥 37 other ZIP codes are made of exactly the same digits (12577, 12775, 15277, 15727, 15772, 17257, …). The farthest-flung twin is 12577 in Salisbury Mills, NY, 1,200 miles away.
- 🧭 Farther north than 90% of all ZIP codes, and farther west than 76%.
- 🎯345 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57271 and you would come out at 44.76°S, 82.46°E — 657 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 48m.
- 📏 At 63.8 square miles of land, 57271 is bigger than 66% of ZIP codes — room for about 48 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 246This ZIP246 |
|---|---|
| Households | 79This ZIP79 |
| Housing units | 89This ZIP89 |
| Median age | 29.0This ZIP29.0South Dakota38.0US 38.9 |
| Median household income | $85,524This ZIP$85,524South Dakota$75,081US $80,734 |
| Median home value | $307,800This ZIP$307,800South Dakota$257,400US $332,700 |
| Bachelor's degree or higher | 3.6%This ZIP3.6% |
| Mean commute | 25.6 minThis ZIP25.6 min |
| Population density | 3.9 / sq miThis ZIP3.9 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 17This ZIP17 |
| Annual payroll | $1,418,000This ZIP$1,418,000 |
| Tax returns filed | 110This ZIP110 |
| Total adjusted gross income | $7,160,000This ZIP$7,160,000 |
Land area
| Land area | 63.81 sq miThis ZIP63.81 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Counties 57271 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Clark County | 83.0% |
| Hamlin County | 17.0% |
Other place names in 57271
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57271
| ZIP | City | Distance |
|---|---|---|
57242 | Hazel, SD | 8.9 mi |
57278 | Willow Lake, SD | 10.3 mi |
57221 | Bryant, SD | 11.4 mi |
57243 | Henry, SD | 11.7 mi |
57225 | Clark, SD | 12.7 mi |
57236 | Garden City, SD | 15.9 mi |
57241 | Hayti, SD | 16.4 mi |
57233 | Erwin, SD | 18.5 mi |
57258 | Raymond, SD | 20.9 mi |
57248 | Lake Norden, SD | 21.0 mi |
Find every ZIP code within 10 miles of 57271 →
Questions about this ZIP code
Where is ZIP code 57271?
57271 is in Vienna, South Dakota, in Clark County. Its published point location is 44.7585, -97.5382.
What county is 57271 in?
57271 spans 2 counties: Clark County and Hamlin County. Most of it falls in Clark 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 57271?
Vienna uses area code 605, from NANPA's telephone records.
What time zone is 57271 in?
57271 uses America/Chicago.
How many people live in 57271?
About 246 people live in ZIP code 57271, in 79 households, at 3.9 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 57271?
$85,524 a year, against $75,081 across South Dakota.
What ZIP codes are near 57271?
The closest are 57242 (8.9 mi), 57278 (10.3 mi), 57221 (11.4 mi), 57243 (11.7 mi) and 57225 (12.7 mi).
Is 57271 a PO Box ZIP code?
57271 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57271 ZIP Code — Vienna, South Dakota (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57271
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57271.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.