57021
ZIP 57021 is Davis, South Dakota, in Turner County; area code 605; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Turner
- Metro area
- Sioux Falls, SD-MN
- Population
- 319
- Coordinates
- 43.2749, -96.9806
Weather right now
Asking the National Weather Service…
Where 57021 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 57021 into a pocket calculator and turn it upside down: IZOLS — not quite a word, sorry.
- ➕ As a number, 57,021 = 3 × 83 × 229. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101111010111101 - 🏠 Its numerical neighbours: 57020 (Crooks, SD, 29 mi away) and 57022 (Dell Rapids, SD, 42 mi away).
- 🔄 Backwards, 57021 becomes 12075 — and that is a real ZIP code: Ghent, NY, 1,181 miles away.
- 👥 65 other ZIP codes are made of exactly the same digits (01257, 01527, 01752, 02571, 02715, 07512, …). The farthest-flung twin is 02571 in Wareham, MA, 1,337 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther west than 74%.
- 🎯252 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57021 and you would come out at 43.27°S, 83.02°E — 740 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
- 📏 At 30.0 square miles of land, 57021 is bigger than 46% of ZIP codes — room for about 23 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 319This ZIP319 |
|---|---|
| Households | 126This ZIP126 |
| Housing units | 130This ZIP130 |
| Median age | 46.0This ZIP46.0South Dakota38.0US 38.9 |
| Median household income | $76,488This ZIP$76,488South Dakota$75,081US $80,734 |
| Bachelor's degree or higher | 51.7%This ZIP51.7% |
| Mean commute | 28.2 minThis ZIP28.2 min |
| Population density | 10.6 / sq miThis ZIP10.6 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 5This ZIP5 |
| Annual payroll | $245,000This ZIP$245,000 |
| Tax returns filed | 120This ZIP120 |
| Total adjusted gross income | $10,165,000This ZIP$10,165,000 |
Land area
| Land area | 30.03 sq miThis ZIP30.03 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Other place names in 57021
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57021
| ZIP | City | Distance |
|---|---|---|
57039 | Lennox, SD | 6.9 mi |
57036 | Hurley, SD | 8.3 mi |
57015 | Chancellor, SD | 10.4 mi |
57014 | Centerville, SD | 11.3 mi |
57070 | Viborg, SD | 11.5 mi |
57077 | Worthing, SD | 11.7 mi |
57053 | Parker, SD | 12.2 mi |
57064 | Tea, SD | 13.6 mi |
57004 | Beresford, SD | 16.7 mi |
57106 | Sioux Falls, SD | 17.7 mi |
Find every ZIP code within 10 miles of 57021 →
Questions about this ZIP code
Where is ZIP code 57021?
57021 is in Davis, South Dakota, in Turner County, part of the Sioux Falls, SD-MN metropolitan area. Its published point location is 43.2749, -96.9806.
What county is 57021 in?
57021 lies in Turner County.
What area code is 57021?
Davis uses area code 605, from NANPA's telephone records.
What time zone is 57021 in?
57021 uses America/Chicago.
How many people live in 57021?
About 319 people live in ZIP code 57021, in 126 households, at 10.6 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 57021?
$76,488 a year, against $75,081 across South Dakota.
What ZIP codes are near 57021?
The closest are 57039 (6.9 mi), 57036 (8.3 mi), 57015 (10.4 mi), 57014 (11.3 mi) and 57070 (11.5 mi).
Is 57021 a PO Box ZIP code?
57021 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57021 ZIP Code — Davis, South Dakota (Turner County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57021
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57021.json Underlying data is public domain or openly licensed — sources, vintages and licences.