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Where 57227 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 57227 into a pocket calculator and turn it upside down: LZZLS — not quite a word, sorry.
- ➕ As a number, 57,227 = 89 × 643. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101111110001011 - 🏠 Its numerical neighbours: 57226 (Clear Lake, SD, 41 mi away) and 57231 (De Smet, SD, 81 mi away).
- 🔄 Backwards, 57227 becomes 72275, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (22577, 25727, 25772, 27527, 27572, 52727, …). The farthest-flung twin is 27527 in Clayton, NC, 1,170 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 73%.
- 🎯395 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57227 and you would come out at 45.38°S, 83.27°E — 669 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 40m of daylight. Shortest: 8h 43m.
- 📏 At 44.0 square miles of land, 57227 is bigger than 56% of ZIP codes — room for about 33 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 562This ZIP562 |
|---|---|
| Households | 142This ZIP142 |
| Housing units | 422This ZIP422 |
| Median age | 19.8This ZIP19.8South Dakota38.0US 38.9 |
| Median household income | $96,500This ZIP$96,500South Dakota$75,081US $80,734 |
| Median home value | $192,900This ZIP$192,900South Dakota$257,400US $332,700 |
| Bachelor's degree or higher | 6.9%This ZIP6.9% |
| Mean commute | 17.6 minThis ZIP17.6 min |
| Population density | 12.8 / sq miThis ZIP12.8 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 54This ZIP54 |
| Annual payroll | $2,396,000This ZIP$2,396,000 |
| Tax returns filed | 180This ZIP180 |
| Total adjusted gross income | $15,682,000This ZIP$15,682,000 |
Land area
| Land area | 44.03 sq miThis ZIP44.03 sq mi |
|---|---|
| Water area | 1.31 sq miThis ZIP1.31 sq mi |
Counties 57227 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Roberts County | 92.8% |
| Grant County | 7.2% |
Other place names in 57227
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57227
| ZIP | City | Distance |
|---|---|---|
57279 | Wilmot, SD | 7.4 mi |
57216 | Big Stone City, SD | 10.9 mi |
57269 | Twin Brooks, SD | 11.0 mi |
57251 | Marvin, SD | 12.2 mi |
57252 | Milbank, SD | 13.4 mi |
56225 | Clinton, MN | 14.6 mi |
56210 | Barry, MN | 15.0 mi |
56211 | Beardsley, MN | 15.1 mi |
56219 | Browns Valley, MN | 15.9 mi |
57257 | Peever, SD | 16.9 mi |
Find every ZIP code within 10 miles of 57227 →
Questions about this ZIP code
Where is ZIP code 57227?
57227 is in Corona, South Dakota, in Roberts County. Its published point location is 45.3759, -96.7281.
What county is 57227 in?
57227 spans 2 counties: Roberts County and Grant County. Most of it falls in Roberts 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 57227?
Corona uses area code 605, from NANPA's telephone records.
What time zone is 57227 in?
57227 uses America/Chicago.
How many people live in 57227?
About 562 people live in ZIP code 57227, in 142 households, at 12.8 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 57227?
$96,500 a year, against $75,081 across South Dakota.
What ZIP codes are near 57227?
The closest are 57279 (7.4 mi), 57216 (10.9 mi), 57269 (11 mi), 57251 (12.2 mi) and 57252 (13.4 mi).
Is 57227 a PO Box ZIP code?
57227 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57227 ZIP Code — Corona, South Dakota (Roberts County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57227
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57227.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.