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Where 43724 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 43724 into a pocket calculator and turn it upside down: hZLEh — not quite a word, sorry.
- ➕ As a number, 43,724 = 2 × 2 × 17 × 643. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010101011001100 - 🏠 Its numerical neighbours: 43723 (Byesville, OH, 17 mi away) and 43725 (Cambridge, OH, 23 mi away).
- 🔄 Backwards, 43724 becomes 42734, which is not a ZIP code at all.
- 👥 30 other ZIP codes are made of exactly the same digits (24347, 24374, 24437, 24473, 27344, 32447, …). The farthest-flung twin is 73442 in Loco, OK, 966 miles away.
- 🧭 Farther north than 54% of all ZIP codes, and farther east than 69%.
- 🎯906 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 43724 and you would come out at 39.72°S, 98.50°E — 1,108 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
- 📏 At 155.5 square miles of land, 43724 is bigger than 87% of ZIP codes — room for about 118 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,133This ZIP9,133 |
|---|---|
| Households | 2,623This ZIP2,623 |
| Housing units | 3,115This ZIP3,115 |
| Median age | 47.1This ZIP47.1Ohio39.7US 38.9 |
| Median household income | $64,688This ZIP$64,688Ohio$71,389US $80,734 |
| Median home value | $170,400This ZIP$170,400Ohio$214,800US $332,700 |
| Median gross rent | $721This ZIP$721Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 16.1%This ZIP16.1% |
| Mean commute | 20.8 minThis ZIP20.8 min |
| Population density | 58.7 / sq miThis ZIP58.7 / sq mi |
Business and tax activity
| Business establishments | 160This ZIP160 |
|---|---|
| Employees | 1,490This ZIP1,490 |
| Annual payroll | $55,404,000This ZIP$55,404,000 |
| Tax returns filed | 2,940This ZIP2,940 |
| Total adjusted gross income | $171,368,000This ZIP$171,368,000 |
Land area
| Land area | 155.46 sq miThis ZIP155.46 sq mi |
|---|---|
| Water area | 1.12 sq miThis ZIP1.12 sq mi |
Counties 43724 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Noble County | 94.0% |
| Morgan County | 5.8% |
| Guernsey County | 0.2% |
Other place names in 43724
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 43724
| ZIP | City | Distance |
|---|---|---|
45727 | Dexter City, OH | 5.3 mi |
43717 | Belle Valley, OH | 5.6 mi |
43779 | Sarahsville, OH | 7.8 mi |
45746 | Macksburg, OH | 8.9 mi |
43711 | Ava, OH | 9.4 mi |
45715 | Beverly, OH | 10.2 mi |
43788 | Summerfield, OH | 10.5 mi |
43772 | Pleasant City, OH | 11.5 mi |
45721 | Coal Run, OH | 11.6 mi |
43786 | Stafford, OH | 11.8 mi |
Find every ZIP code within 10 miles of 43724 →
Questions about this ZIP code
Where is ZIP code 43724?
43724 is in Caldwell, Ohio, in Noble County. Its published point location is 39.7209, -81.4987.
What county is 43724 in?
43724 spans 3 counties: Noble County, Morgan County and Guernsey County. Most of it falls in Noble 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 43724?
Caldwell uses area code 740, from NANPA's telephone records.
What time zone is 43724 in?
43724 uses America/New_York.
How many people live in 43724?
About 9,133 people live in ZIP code 43724, in 2,623 households, at 58.7 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 43724?
$64,688 a year, against $71,389 across Ohio.
What ZIP codes are near 43724?
The closest are 45727 (5.3 mi), 43717 (5.6 mi), 43779 (7.8 mi), 45746 (8.9 mi) and 43711 (9.4 mi).
Is 43724 a PO Box ZIP code?
43724 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “43724 ZIP Code — Caldwell, Ohio (Noble County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43724
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/43724.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.