51028
ZIP 51028 is Kingsley, Iowa, mostly in Plymouth County; area code 712; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Plymouth +1 more
- Metro area
- Le Mars, IA
- Population
- 2,191
- Coordinates
- 42.5967, -95.9876
Weather right now
Asking the National Weather Service…
Where 51028 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 51028 into a pocket calculator and turn it upside down: BZOIS — not quite a word, sorry.
- ➕ As a number, 51,028 = 2 × 2 × 12757. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011101010100 - 🏠 Its numerical neighbours: 51027 (Ireton, IA, 31 mi away) and 51029 (Larrabee, IA, 30 mi away).
- 🔄 Backwards, 51028 becomes 82015, which is not a ZIP code at all.
- 👥 65 other ZIP codes are made of exactly the same digits (01258, 01825, 01852, 02185, 02815, 05821, …). The farthest-flung twin is 02185 in Braintree, MA, 1,266 miles away.
- 🧭 Farther north than 80% of all ZIP codes, and farther west than 71%.
- 🎯234 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51028 and you would come out at 42.60°S, 84.01°E — 808 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
- 📏 At 124.4 square miles of land, 51028 is bigger than 83% of ZIP codes — room for about 94 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,191This ZIP2,191 |
|---|---|
| Households | 904This ZIP904 |
| Housing units | 985This ZIP985 |
| Median age | 41.8This ZIP41.8Iowa38.6US 38.9 |
| Median household income | $78,000This ZIP$78,000Iowa$75,059US $80,734 |
| Median home value | $219,600This ZIP$219,600Iowa$208,000US $332,700 |
| Median gross rent | $785This ZIP$785Iowa$972US $1,413 |
| Bachelor's degree or higher | 29.9%This ZIP29.9% |
| Mean commute | 23.7 minThis ZIP23.7 min |
| Population density | 17.6 / sq miThis ZIP17.6 / sq mi |
Business and tax activity
| Business establishments | 49This ZIP49 |
|---|---|
| Employees | 281This ZIP281 |
| Annual payroll | $14,379,000This ZIP$14,379,000 |
| Tax returns filed | 1,000This ZIP1,000 |
| Total adjusted gross income | $81,815,000This ZIP$81,815,000 |
Land area
| Land area | 124.40 sq miThis ZIP124.40 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Counties 51028 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Plymouth County | 80.0% |
| Woodbury County | 20.0% |
Other place names in 51028
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51028
| ZIP | City | Distance |
|---|---|---|
51048 | Pierson, IA | 8.1 mi |
51039 | Moville, IA | 10.7 mi |
51030 | Lawton, IA | 12.3 mi |
51016 | Correctionville, IA | 12.7 mi |
51061 | Washta, IA | 13.4 mi |
51024 | Hinton, IA | 14.1 mi |
51050 | Remsen, IA | 14.2 mi |
51004 | Anthon, IA | 15.4 mi |
51045 | Oyens, IA | 15.9 mi |
51035 | Marcus, IA | 15.9 mi |
Find every ZIP code within 10 miles of 51028 →
Questions about this ZIP code
Where is ZIP code 51028?
51028 is in Kingsley, Iowa, in Plymouth County, part of the Le Mars, IA micropolitan area. Its published point location is 42.5967, -95.9876.
What county is 51028 in?
51028 spans 2 counties: Plymouth County and Woodbury County. Most of it falls in Plymouth 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 51028?
Kingsley uses area code 712, from NANPA's telephone records.
What time zone is 51028 in?
51028 uses America/Chicago.
How many people live in 51028?
About 2,191 people live in ZIP code 51028, in 904 households, at 17.6 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 51028?
$78,000 a year, against $75,059 across Iowa.
What ZIP codes are near 51028?
The closest are 51048 (8.1 mi), 51039 (10.7 mi), 51030 (12.3 mi), 51016 (12.7 mi) and 51061 (13.4 mi).
Is 51028 a PO Box ZIP code?
51028 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51028 ZIP Code — Kingsley, Iowa (Plymouth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51028
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51028.json Underlying data is public domain or openly licensed — sources, vintages and licences.