57649
ZIP 57649 is Prairie City, South Dakota, mostly in Perkins County; area code 605; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Perkins +1 more
- Metro area
- none
- Population
- 273
- Coordinates
- 45.4887, -102.8489
Weather right now
Asking the National Weather Service…
Where 57649 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 57649 into a pocket calculator and turn it upside down: GhgLS — not quite a word, sorry.
- ➕ 57649 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000100110001 - 🏠 Its numerical neighbours: 57648 (Pollock, SD, 126 mi away) and 57650 (Ralph, SD, 25 mi away).
- 🔄 Backwards, 57649 becomes 94675, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (45679, 45697, 45769, 46759, 46795, 46957, …). The farthest-flung twin is 96754 in Kilauea, HI, 3,535 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 81%.
- 🎯447 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57649 and you would come out at 45.49°S, 77.15°E — 419 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 41m of daylight. Shortest: 8h 42m.
- 📏 At 536.9 square miles of land, 57649 is bigger than 98% of ZIP codes — room for about 408 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 273This ZIP273 |
|---|---|
| Households | 100This ZIP100 |
| Housing units | 124This ZIP124 |
| Median age | 46.9This ZIP46.9South Dakota38.0US 38.9 |
| Median household income | $84,500This ZIP$84,500South Dakota$75,081US $80,734 |
| Bachelor's degree or higher | 10.6%This ZIP10.6% |
| Mean commute | 20.6 minThis ZIP20.6 min |
| Population density | 0.5 / sq miThis ZIP0.5 / sq mi |
Business and tax activity
| Tax returns filed | 100This ZIP100 |
|---|---|
| Total adjusted gross income | $7,544,000This ZIP$7,544,000 |
Land area
| Land area | 536.86 sq miThis ZIP536.86 sq mi |
|---|---|
| Water area | 2.74 sq miThis ZIP2.74 sq mi |
Counties 57649 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Perkins County | 75.6% |
| Harding County | 24.3% |
Other place names in 57649
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57649
| ZIP | City | Distance |
|---|---|---|
57651 | Reva, SD | 9.0 mi |
57620 | Bison, SD | 16.8 mi |
57640 | Lodgepole, SD | 20.6 mi |
57650 | Ralph, SD | 25.3 mi |
57758 | Mud Butte, SD | 34.6 mi |
57755 | Ludlow, SD | 35.6 mi |
57720 | Buffalo, SD | 35.8 mi |
57776 | Redig, SD | 36.4 mi |
57644 | Meadow, SD | 36.6 mi |
57638 | Lemmon, SD | 39.8 mi |
Find every ZIP code within 10 miles of 57649 →
Questions about this ZIP code
Where is ZIP code 57649?
57649 is in Prairie City, South Dakota, in Perkins County. Its published point location is 45.4887, -102.8489.
What county is 57649 in?
57649 spans 2 counties: Perkins County and Harding County. Most of it falls in Perkins 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 57649?
Prairie City uses area code 605, from NANPA's telephone records.
What time zone is 57649 in?
57649 uses America/Denver.
How many people live in 57649?
About 273 people live in ZIP code 57649, in 100 households, at 0.5 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 57649?
$84,500 a year, against $75,081 across South Dakota.
What ZIP codes are near 57649?
The closest are 57651 (9 mi), 57620 (16.8 mi), 57640 (20.6 mi), 57650 (25.3 mi) and 57758 (34.6 mi).
Is 57649 a PO Box ZIP code?
57649 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57649 ZIP Code — Prairie City, South Dakota (Perkins County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57649
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57649.json Underlying data is public domain or openly licensed — sources, vintages and licences.