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zipcodes.pro — ZIP/57782

57782

ZIP 57782 is Smithwick, South Dakota, in Fall River County; area code 605; Mountain time.

Type
Standard
Time zone
America/Denver
County
Fall River
Metro area
none
Population
58
Coordinates
43.2494, -103.1805
☼ Live from 57782 — Smithwick, SD

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Local time: —

Where 57782 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.

★ Weird and wonderful facts about 57782
  • 🔢 Type 57782 into a pocket calculator and turn it upside down: ZBLLS — not quite a word, sorry.
  • ➕ As a number, 57,782 = 2 × 167 × 173. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110000110110110
  • 🏠 Its numerical neighbours: 57780 (Scenic, SD, 50 mi away) and 57783 (Spearfish, SD, 91 mi away).
  • 🔄 Backwards, 57782 becomes 28775 — and that is a real ZIP code: Scaly Mountain, NC, 1,202 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (25778, 27587, 27857, 27875, 28577, 28757, …). The farthest-flung twin is 28577 in Sealevel, NC, 1,539 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther west than 81%.
  • 🎯335 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57782 and you would come out at 43.25°S, 76.82°E — 526 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 51.0 square miles of land, 57782 is bigger than 60% of ZIP codes — room for about 39 Central Parks.
🌙 The sky over 57782 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population58This ZIP58
Households26This ZIP26
Housing units26This ZIP26
Median age42.9This ZIP42.9South Dakota38.0US 38.9
Median household income$65,500This ZIP$65,500South Dakota$75,081US $80,734
Median home value$270,500This ZIP$270,500South Dakota$257,400US $332,700
Bachelor's degree or higher63.6%This ZIP63.6%
Mean commute47.6 minThis ZIP47.6 min
Population density1.1 / sq miThis ZIP1.1 / sq mi

Land area

Land area51.00 sq miThis ZIP51.00 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 57782

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 57782

ZIPCityDistance
57766 Oral, SD 7.4 mi
57763 Oelrichs, SD 9.4 mi
57722 Buffalo Gap, SD 16.5 mi
57747 Hot Springs, SD 19.1 mi
57764 Oglala, SD 20.6 mi
69337 Chadron, NE 27.6 mi
57770 Pine Ridge, SD 28.9 mi
57738 Fairburn, SD 30.1 mi
69367 Whitney, NE 30.8 mi
57773 Pringle, SD 31.6 mi

Find every ZIP code within 10 miles of 57782 →

Questions about this ZIP code

Where is ZIP code 57782?

57782 is in Smithwick, South Dakota, in Fall River County. Its published point location is 43.2494, -103.1805.

What county is 57782 in?

57782 lies in Fall River County.

What area code is 57782?

Smithwick uses area code 605, from NANPA's telephone records.

What time zone is 57782 in?

57782 uses America/Denver.

How many people live in 57782?

About 58 people live in ZIP code 57782, in 26 households, at 1.1 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 57782?

$65,500 a year, against $75,081 across South Dakota.

What ZIP codes are near 57782?

The closest are 57766 (7.4 mi), 57763 (9.4 mi), 57722 (16.5 mi), 57747 (19.1 mi) and 57764 (20.6 mi).

Is 57782 a PO Box ZIP code?

57782 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “57782 ZIP Code — Smithwick, South Dakota (Fall River County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57782

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