51033
ZIP 51033 is Linn Grove, Iowa, mostly in Clay County; area code 712; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Clay +1 more
- Metro area
- Spencer, IA
- Population
- 421
- Coordinates
- 42.9194, -95.2524
Weather right now
Asking the National Weather Service…
Where 51033 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 51033 into a pocket calculator and turn it upside down: EEOIS — not quite a word, sorry.
- ➕ As a number, 51,033 = 3 × 17011. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011101011001 - 🏠 Its numerical neighbours: 51031 (Le Mars, IA, 48 mi away) and 51034 (Mapleton, IA, 59 mi away).
- 🔄 Backwards, 51033 becomes 33015 — and that is a real ZIP code: Hialeah, FL, 1,444 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (10533, 13035, 13053, 13305, 13350, 13503, …). The farthest-flung twin is 33051 in Key Colony Beach, FL, 1,495 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 69%.
- 🎯274 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51033 and you would come out at 42.92°S, 84.75°E — 823 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
- 📏 At 61.5 square miles of land, 51033 is bigger than 65% of ZIP codes — room for about 47 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 421This ZIP421 |
|---|---|
| Households | 184This ZIP184 |
| Housing units | 234This ZIP234 |
| Median age | 44.8This ZIP44.8Iowa38.6US 38.9 |
| Median household income | $60,625This ZIP$60,625Iowa$75,059US $80,734 |
| Median home value | $181,800This ZIP$181,800Iowa$208,000US $332,700 |
| Median gross rent | $1,360This ZIP$1,360Iowa$972US $1,413 |
| Bachelor's degree or higher | 19.4%This ZIP19.4% |
| Mean commute | 22.7 minThis ZIP22.7 min |
| Population density | 6.8 / sq miThis ZIP6.8 / sq mi |
Business and tax activity
| Business establishments | 11This ZIP11 |
|---|---|
| Employees | 22This ZIP22 |
| Annual payroll | $771,000This ZIP$771,000 |
| Tax returns filed | 210This ZIP210 |
| Total adjusted gross income | $16,871,000This ZIP$16,871,000 |
Land area
| Land area | 61.49 sq miThis ZIP61.49 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Counties 51033 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Clay County | 50.1% |
| Buena Vista County | 49.9% |
Other place names in 51033
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51033
| ZIP | City | Distance |
|---|---|---|
50585 | Sioux Rapids, IA | 5.6 mi |
51047 | Peterson, IA | 6.1 mi |
50576 | Rembrandt, IA | 8.9 mi |
51343 | Greenville, IA | 9.3 mi |
51357 | Royal, IA | 10.0 mi |
51058 | Sutherland, IA | 12.3 mi |
51341 | Gillett Grove, IA | 12.9 mi |
51366 | Webb, IA | 12.9 mi |
50565 | Marathon, IA | 13.4 mi |
50592 | Truesdale, IA | 13.6 mi |
Find every ZIP code within 10 miles of 51033 →
Questions about this ZIP code
Where is ZIP code 51033?
51033 is in Linn Grove, Iowa, in Clay County, part of the Spencer, IA micropolitan area. Its published point location is 42.9194, -95.2524.
What county is 51033 in?
51033 spans 2 counties: Clay County and Buena Vista County. Most of it falls in Clay 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 51033?
Linn Grove uses area code 712, from NANPA's telephone records.
What time zone is 51033 in?
51033 uses America/Chicago.
How many people live in 51033?
About 421 people live in ZIP code 51033, in 184 households, at 6.8 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 51033?
$60,625 a year, against $75,059 across Iowa.
What ZIP codes are near 51033?
The closest are 50585 (5.6 mi), 51047 (6.1 mi), 50576 (8.9 mi), 51343 (9.3 mi) and 51357 (10 mi).
Is 51033 a PO Box ZIP code?
51033 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51033 ZIP Code — Linn Grove, Iowa (Clay County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51033
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51033.json Underlying data is public domain or openly licensed — sources, vintages and licences.