57745
ZIP 57745 is Hill City, South Dakota, in Pennington County; area code 605; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Pennington
- Metro area
- Rapid City, SD
- Population
- 1,894
- Coordinates
- 44.0133, -103.7857
Weather right now
Asking the National Weather Service…
Where 57745 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 57745 into a pocket calculator and turn it upside down: ShLLS — not quite a word, sorry.
- ➕ As a number, 57,745 = 5 × 11549. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000110010001 - 🏠 Its numerical neighbours: 57744 (Hermosa, SD, 40 mi away) and 57747 (Hot Springs, SD, 46 mi away).
- 🔄 Backwards, 57745 becomes 54775, which is not a ZIP code at all.
- 👥 19 other ZIP codes are made of exactly the same digits (45775, 47557, 47575, 54757, 55747, 57457, …). The farthest-flung twin is 45775 in Rutland, OH, 1,165 miles away.
- 🧭 Farther north than 87% of all ZIP codes, and farther west than 82%.
- 🎯394 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57745 and you would come out at 44.01°S, 76.21°E — 465 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 29m of daylight. Shortest: 8h 53m.
- 📏 At 385.0 square miles of land, 57745 is bigger than 96% of ZIP codes — room for about 292 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,894This ZIP1,894 |
|---|---|
| Households | 660This ZIP660 |
| Housing units | 991This ZIP991 |
| Median age | 40.9This ZIP40.9South Dakota38.0US 38.9 |
| Median household income | $88,194This ZIP$88,194South Dakota$75,081US $80,734 |
| Median home value | $343,900This ZIP$343,900South Dakota$257,400US $332,700 |
| Median gross rent | $1,196This ZIP$1,196South Dakota$946US $1,413 |
| Bachelor's degree or higher | 39.1%This ZIP39.1% |
| Mean commute | 28.6 minThis ZIP28.6 min |
| Population density | 4.9 / sq miThis ZIP4.9 / sq mi |
Business and tax activity
| Business establishments | 126This ZIP126 |
|---|---|
| Employees | 595This ZIP595 |
| Annual payroll | $26,030,000This ZIP$26,030,000 |
| Tax returns filed | 1,200This ZIP1,200 |
| Total adjusted gross income | $117,956,000This ZIP$117,956,000 |
Land area
| Land area | 385.04 sq miThis ZIP385.04 sq mi |
|---|---|
| Water area | 0.56 sq miThis ZIP0.56 sq mi |
Other place names in 57745
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57745
| ZIP | City | Distance |
|---|---|---|
57754 | Lead, SD | 17.5 mi |
82715 | Four Corners, WY | 18.1 mi |
57702 | Rapid City, SD | 18.4 mi |
57759 | Nemo, SD | 18.7 mi |
57751 | Keystone, SD | 20.4 mi |
57730 | Custer, SD | 21.0 mi |
57732 | Deadwood, SD | 22.3 mi |
57718 | Black Hawk, SD | 23.4 mi |
57709 | Rapid City, SD | 23.7 mi |
57769 | Piedmont, SD | 29.4 mi |
Find every ZIP code within 10 miles of 57745 →
Questions about this ZIP code
Where is ZIP code 57745?
57745 is in Hill City, South Dakota, in Pennington County, part of the Rapid City, SD metropolitan area. Its published point location is 44.0133, -103.7857.
What county is 57745 in?
57745 lies in Pennington County.
What area code is 57745?
Hill City uses area code 605, from NANPA's telephone records.
What time zone is 57745 in?
57745 uses America/Denver.
How many people live in 57745?
About 1,894 people live in ZIP code 57745, in 660 households, at 4.9 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 57745?
$88,194 a year, against $75,081 across South Dakota.
What ZIP codes are near 57745?
The closest are 57754 (17.5 mi), 82715 (18.1 mi), 57702 (18.4 mi), 57759 (18.7 mi) and 57751 (20.4 mi).
Is 57745 a PO Box ZIP code?
57745 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57745 ZIP Code — Hill City, South Dakota (Pennington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57745
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57745.json Underlying data is public domain or openly licensed — sources, vintages and licences.