43536
ZIP 43536 is Mark Center, Ohio, in Defiance County; area code 419; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Defiance
- Metro area
- Defiance, OH
- Population
- 338
- Coordinates
- 41.3134, -84.6340
Weather right now
Asking the National Weather Service…
Where 43536 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 43536 into a pocket calculator and turn it upside down: gESEh — not quite a word, sorry.
- ➕ As a number, 43,536 = 2 × 2 × 2 × 2 × 3 × 907. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010101000010000 - 🏠 Its numerical neighbours: 43535 (Malinta, OH, 32 mi away) and 43537 (Maumee, OH, 52 mi away).
- 🔄 Backwards, 43536 becomes 63534 — and that is a real ZIP code: Callao, MO, 435 miles away.
- 👥 24 other ZIP codes are made of exactly the same digits (33465, 33564, 34653, 35463, 35634, 35643, …). The farthest-flung twin is 33465 in Lake Worth, FL, 1,047 miles away.
- 🧭 Farther north than 69% of all ZIP codes, and farther east than 57%.
- 🎯738 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 43536 and you would come out at 41.31°S, 95.37°E — 1,303 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
- 📏 At 16.8 square miles of land, 43536 is bigger than 35% of ZIP codes — room for about 13 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 338This ZIP338 |
|---|---|
| Households | 121This ZIP121 |
| Housing units | 121This ZIP121 |
| Median age | 34.1This ZIP34.1Ohio39.7US 38.9 |
| Median household income | $68,625This ZIP$68,625Ohio$71,389US $80,734 |
| Median home value | $133,200This ZIP$133,200Ohio$214,800US $332,700 |
| Bachelor's degree or higher | 20.6%This ZIP20.6% |
| Mean commute | 27.9 minThis ZIP27.9 min |
| Population density | 20.1 / sq miThis ZIP20.1 / sq mi |
Business and tax activity
| Tax returns filed | 160This ZIP160 |
|---|---|
| Total adjusted gross income | $8,699,000This ZIP$8,699,000 |
Land area
| Land area | 16.83 sq miThis ZIP16.83 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 43536
| ZIP | City | Distance |
|---|---|---|
43556 | Sherwood, OH | 3.7 mi |
43520 | Farmer, OH | 4.6 mi |
43526 | Hicksville, OH | 5.0 mi |
43549 | Ney, OH | 6.6 mi |
45821 | Cecil, OH | 7.1 mi |
43517 | Edgerton, OH | 9.7 mi |
45813 | Antwerp, OH | 9.8 mi |
43506 | Bryan, OH | 11.3 mi |
46785 | Saint Joe, IN | 12.7 mi |
46743 | Harlan, IN | 13.3 mi |
Find every ZIP code within 10 miles of 43536 →
Questions about this ZIP code
Where is ZIP code 43536?
43536 is in Mark Center, Ohio, in Defiance County, part of the Defiance, OH micropolitan area. Its published point location is 41.3134, -84.6340.
What county is 43536 in?
43536 lies in Defiance County.
What area code is 43536?
Mark Center uses area code 419, from NANPA's telephone records.
What time zone is 43536 in?
43536 uses America/New_York.
How many people live in 43536?
About 338 people live in ZIP code 43536, in 121 households, at 20.1 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 43536?
$68,625 a year, against $71,389 across Ohio.
What ZIP codes are near 43536?
The closest are 43556 (3.7 mi), 43520 (4.6 mi), 43526 (5 mi), 43549 (6.6 mi) and 45821 (7.1 mi).
Is 43536 a PO Box ZIP code?
43536 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “43536 ZIP Code — Mark Center, Ohio (Defiance County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43536
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/43536.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.