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Where 57429 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 57429 into a pocket calculator and turn it upside down: GZhLS — not quite a word, sorry.
- ➕ As a number, 57,429 = 3 × 3 × 3 × 3 × 709. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001010101 - 🏠 Its numerical neighbours: 57428 (Bowdle, SD, 70 mi away) and 57430 (Britton, SD, 54 mi away).
- 🔄 Backwards, 57429 becomes 92475, which is not a ZIP code at all.
- 👥 50 other ZIP codes are made of exactly the same digits (24579, 24597, 24957, 27495, 27549, 27594, …). The farthest-flung twin is 95427 in Comptche, CA, 1,350 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 77%.
- 🎯369 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57429 and you would come out at 45.16°S, 81.70°E — 610 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 38m of daylight. Shortest: 8h 45m.
- 📏 At 14.1 square miles of land, 57429 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 92This ZIP92 |
|---|---|
| Households | 46This ZIP46 |
| Housing units | 54This ZIP54 |
| Median age | 42.5This ZIP42.5South Dakota38.0US 38.9 |
| Bachelor's degree or higher | 32.8%This ZIP32.8% |
| Mean commute | 14.8 minThis ZIP14.8 min |
| Population density | 6.5 / sq miThis ZIP6.5 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 3This ZIP3 |
| Annual payroll | $74,000This ZIP$74,000 |
Land area
| Land area | 14.07 sq miThis ZIP14.07 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 57429
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57429
| ZIP | City | Distance |
|---|---|---|
57461 | Mellette, SD | 6.9 mi |
57474 | Stratford, SD | 9.1 mi |
57434 | Conde, SD | 11.1 mi |
57477 | Turton, SD | 11.6 mi |
57479 | Warner, SD | 11.9 mi |
57424 | Ashton, SD | 14.6 mi |
57439 | Ferney, SD | 15.5 mi |
57465 | Northville, SD | 17.8 mi |
57460 | Mansfield, SD | 19.8 mi |
57440 | Frankfort, SD | 21.4 mi |
Find every ZIP code within 10 miles of 57429 →
Questions about this ZIP code
Where is ZIP code 57429?
57429 is in Brentford, South Dakota, in Spink County. Its published point location is 45.1612, -98.3005.
What county is 57429 in?
57429 lies in Spink County.
What area code is 57429?
Brentford uses area code 605, from NANPA's telephone records.
What time zone is 57429 in?
57429 uses America/Chicago.
How many people live in 57429?
About 92 people live in ZIP code 57429, in 46 households, at 6.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 57429?
The closest are 57461 (6.9 mi), 57474 (9.1 mi), 57434 (11.1 mi), 57477 (11.6 mi) and 57479 (11.9 mi).
Is 57429 a PO Box ZIP code?
57429 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57429 ZIP Code — Brentford, South Dakota (Spink County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57429
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57429.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.