52040
ZIP 52040 is Dyersville, Iowa, mostly in Delaware County; area code 563; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Delaware +1 more
- Metro area
- none
- Population
- 5,584
- Coordinates
- 42.5036, -91.1417
Weather right now
Asking the National Weather Service…
Where 52040 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 52040 into a pocket calculator and turn it upside down: OhOZS — not quite a word, sorry.
- ➕ As a number, 52,040 = 2 × 2 × 2 × 5 × 1301. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100101101001000 - 🏠 Its numerical neighbours: 52039 (Durango, IA, 15 mi away) and 52041 (Earlville, IA, 6 mi away).
- 🔄 Backwards, 52040 becomes 04025, which is not a ZIP code at all.
- 👥 27 other ZIP codes are made of exactly the same digits (02045, 02054, 02540, 04250, 05042, 05402, …). The farthest-flung twin is 04250 in Lisbon, ME, 1,060 miles away.
- 🧭 Farther north than 79% of all ZIP codes, and farther west than 59%.
- 🎯429 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52040 and you would come out at 42.50°S, 88.86°E — 1,009 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
- 📏 At 62.0 square miles of land, 52040 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 | 5,584This ZIP5,584 |
|---|---|
| Households | 2,348This ZIP2,348 |
| Housing units | 2,420This ZIP2,420 |
| Median age | 43.0This ZIP43.0Iowa38.6US 38.9 |
| Median household income | $84,761This ZIP$84,761Iowa$75,059US $80,734 |
| Median home value | $242,300This ZIP$242,300Iowa$208,000US $332,700 |
| Median gross rent | $1,097This ZIP$1,097Iowa$972US $1,413 |
| Bachelor's degree or higher | 27.4%This ZIP27.4% |
| Mean commute | 17.8 minThis ZIP17.8 min |
| Population density | 90.1 / sq miThis ZIP90.1 / sq mi |
Business and tax activity
| Business establishments | 253This ZIP253 |
|---|---|
| Employees | 3,420This ZIP3,420 |
| Annual payroll | $174,554,000This ZIP$174,554,000 |
| Tax returns filed | 3,000This ZIP3,000 |
| Total adjusted gross income | $247,482,000This ZIP$247,482,000 |
Land area
| Land area | 61.95 sq miThis ZIP61.95 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
Counties 52040 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Delaware County | 53.6% |
| Dubuque County | 46.4% |
Other place names in 52040
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52040
| ZIP | City | Distance |
|---|---|---|
52041 | Earlville, IA | 5.8 mi |
52065 | New Vienna, IA | 5.9 mi |
52078 | Worthington, IA | 7.6 mi |
52056 | Luxemburg, IA | 7.8 mi |
52046 | Farley, IA | 7.9 mi |
52036 | Delaware, IA | 10.4 mi |
52223 | Delhi, IA | 11.2 mi |
52045 | Epworth, IA | 11.2 mi |
52053 | Holy Cross, IA | 11.5 mi |
52035 | Colesburg, IA | 11.7 mi |
Find every ZIP code within 10 miles of 52040 →
Questions about this ZIP code
Where is ZIP code 52040?
52040 is in Dyersville, Iowa, in Delaware County. Its published point location is 42.5036, -91.1417.
What county is 52040 in?
52040 spans 2 counties: Delaware County and Dubuque County. Most of it falls in Delaware 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 52040?
Dyersville uses area code 563, from NANPA's telephone records.
What time zone is 52040 in?
52040 uses America/Chicago.
How many people live in 52040?
About 5,584 people live in ZIP code 52040, in 2,348 households, at 90.1 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 52040?
$84,761 a year, against $75,059 across Iowa.
What ZIP codes are near 52040?
The closest are 52041 (5.8 mi), 52065 (5.9 mi), 52078 (7.6 mi), 52056 (7.8 mi) and 52046 (7.9 mi).
Is 52040 a PO Box ZIP code?
52040 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52040 ZIP Code — Dyersville, Iowa (Delaware County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52040
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52040.json Underlying data is public domain or openly licensed — sources, vintages and licences.