52072
ZIP 52072 is Saint Olaf, Iowa, in Clayton County; area code 563; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Clayton
- Metro area
- none
- Population
- 454
- Coordinates
- 42.9203, -91.3803
Weather right now
Asking the National Weather Service…
Where 52072 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 52072 into a pocket calculator and turn it upside down: ZLOZS — not quite a word, sorry.
- ➕ As a number, 52,072 = 2 × 2 × 2 × 23 × 283. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100101101101000 - 🏠 Its numerical neighbours: 52071 (Saint Donatus, IA, 57 mi away) and 52073 (Sherrill, IA, 35 mi away).
- 🔄 Backwards, 52072 becomes 27025 — and that is a real ZIP code: Madison, NC, 756 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (02725, 07522, 20527, 20572, 20725, 20752, …). The farthest-flung twin is 02725 in Somerset, MA, 1,032 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 60%.
- 🎯430 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52072 and you would come out at 42.92°S, 88.62°E — 983 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 33.2 square miles of land, 52072 is bigger than 48% of ZIP codes — room for about 25 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 454This ZIP454 |
|---|---|
| Households | 148This ZIP148 |
| Housing units | 164This ZIP164 |
| Median age | 51.2This ZIP51.2Iowa38.6US 38.9 |
| Median household income | $62,250This ZIP$62,250Iowa$75,059US $80,734 |
| Median home value | $121,000This ZIP$121,000Iowa$208,000US $332,700 |
| Median gross rent | $665This ZIP$665Iowa$972US $1,413 |
| Bachelor's degree or higher | 6.2%This ZIP6.2% |
| Mean commute | 18.7 minThis ZIP18.7 min |
| Population density | 13.7 / sq miThis ZIP13.7 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 86This ZIP86 |
| Annual payroll | $2,590,000This ZIP$2,590,000 |
| Tax returns filed | 190This ZIP190 |
| Total adjusted gross income | $11,900,000This ZIP$11,900,000 |
Land area
| Land area | 33.22 sq miThis ZIP33.22 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 52072
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52072
| ZIP | City | Distance |
|---|---|---|
52047 | Farmersburg, IA | 3.9 mi |
52043 | Elkader, IA | 6.4 mi |
52049 | Garnavillo, IA | 9.5 mi |
52157 | Mc Gregor, IA | 10.0 mi |
52156 | Luana, IA | 10.1 mi |
52044 | Elkport, IA | 10.9 mi |
52159 | Monona, IA | 11.0 mi |
52077 | Volga, IA | 11.5 mi |
52158 | Marquette, IA | 12.7 mi |
52141 | Elgin, IA | 13.2 mi |
Find every ZIP code within 10 miles of 52072 →
Questions about this ZIP code
Where is ZIP code 52072?
52072 is in Saint Olaf, Iowa, in Clayton County. Its published point location is 42.9203, -91.3803.
What county is 52072 in?
52072 lies in Clayton County.
What area code is 52072?
Saint Olaf uses area code 563, from NANPA's telephone records.
What time zone is 52072 in?
52072 uses America/Chicago.
How many people live in 52072?
About 454 people live in ZIP code 52072, in 148 households, at 13.7 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 52072?
$62,250 a year, against $75,059 across Iowa.
What ZIP codes are near 52072?
The closest are 52047 (3.9 mi), 52043 (6.4 mi), 52049 (9.5 mi), 52157 (10 mi) and 52156 (10.1 mi).
Is 52072 a PO Box ZIP code?
52072 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52072 ZIP Code — Saint Olaf, Iowa (Clayton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52072
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52072.json Underlying data is public domain or openly licensed — sources, vintages and licences.