45723
ZIP 45723 is Coolville, Ohio, mostly in Athens County; area code 740; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Athens +2 more
- Metro area
- Athens, OH
- Population
- 3,682
- Coordinates
- 39.2263, -81.8235
Weather right now
Asking the National Weather Service…
Where 45723 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 45723 into a pocket calculator and turn it upside down: EZLSh — not quite a word, sorry.
- ➕ As a number, 45,723 = 3 × 15241. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011001010011011 - 🏠 Its numerical neighbours: 45721 (Coal Run, OH, 27 mi away) and 45724 (Cutler, OH, 11 mi away).
- 🔄 Backwards, 45723 becomes 32754 — and that is a real ZIP code: Mims, FL, 730 miles away.
- 👥 50 other ZIP codes are made of exactly the same digits (23457, 24375, 25437, 27435, 27534, 27543, …). The farthest-flung twin is 73542 in Frederick, OK, 1,002 miles away.
- 🧭 Farther north than 50% of all ZIP codes, and farther east than 67%.
- 🎯893 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45723 and you would come out at 39.23°S, 98.18°E — 1,111 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 66.0 square miles of land, 45723 is bigger than 67% of ZIP codes — room for about 50 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,682This ZIP3,682 |
|---|---|
| Households | 1,356This ZIP1,356 |
| Housing units | 1,748This ZIP1,748 |
| Median age | 49.4This ZIP49.4Ohio39.7US 38.9 |
| Median household income | $57,222This ZIP$57,222Ohio$71,389US $80,734 |
| Median home value | $168,900This ZIP$168,900Ohio$214,800US $332,700 |
| Median gross rent | $910This ZIP$910Ohio$1,034US $1,413 |
| Bachelor's degree or higher | 10.5%This ZIP10.5% |
| Mean commute | 30.6 minThis ZIP30.6 min |
| Population density | 55.8 / sq miThis ZIP55.8 / sq mi |
Business and tax activity
| Business establishments | 35This ZIP35 |
|---|---|
| Employees | 195This ZIP195 |
| Annual payroll | $7,423,000This ZIP$7,423,000 |
| Tax returns filed | 1,520This ZIP1,520 |
| Total adjusted gross income | $89,355,000This ZIP$89,355,000 |
Land area
| Land area | 66.04 sq miThis ZIP66.04 sq mi |
|---|---|
| Water area | 0.85 sq miThis ZIP0.85 sq mi |
Counties 45723 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Athens County | 78.2% |
| Meigs County | 16.8% |
| Washington County | 5.0% |
Other place names in 45723
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45723
| ZIP | City | Distance |
|---|---|---|
45783 | Tuppers Plains, OH | 3.6 mi |
45739 | Hockingport, OH | 4.8 mi |
45735 | Guysville, OH | 5.3 mi |
45772 | Reedsville, OH | 5.4 mi |
45742 | Little Hocking, OH | 6.5 mi |
26181 | Washington, WV | 8.6 mi |
45778 | Stewart, OH | 9.5 mi |
45743 | Long Bottom, OH | 10.4 mi |
45720 | Chester, OH | 10.6 mi |
45724 | Cutler, OH | 10.9 mi |
Find every ZIP code within 10 miles of 45723 →
Questions about this ZIP code
Where is ZIP code 45723?
45723 is in Coolville, Ohio, in Athens County, part of the Athens, OH micropolitan area. Its published point location is 39.2263, -81.8235.
What county is 45723 in?
45723 spans 3 counties: Athens County, Meigs County and Washington County. Most of it falls in Athens 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 45723?
Coolville uses area code 740, from NANPA's telephone records.
What time zone is 45723 in?
45723 uses America/New_York.
How many people live in 45723?
About 3,682 people live in ZIP code 45723, in 1,356 households, at 55.8 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 45723?
$57,222 a year, against $71,389 across Ohio.
What ZIP codes are near 45723?
The closest are 45783 (3.6 mi), 45739 (4.8 mi), 45735 (5.3 mi), 45772 (5.4 mi) and 45742 (6.5 mi).
Is 45723 a PO Box ZIP code?
45723 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45723 ZIP Code — Coolville, Ohio (Athens County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45723
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45723.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.