Zip Code 45723 — Coolville, OH
45723 is a ZIP Code associated with Coolville, OH, located within Athens. 45723 ranks #3 out of 14 ZIP codes in Athens County by population (and #617 out of 1,232 in OH). The area supports an estimated population of 3,682 residents across Data Pending housing units, with a population density of 21.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.221730, -81.826800)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 45723 |
| Primary City | Coolville |
| State / Province | OH |
| County | Athens |
| Total Population | 3,682 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 21.5 people/sq mi |
| Timezone | America/New_York |
How 45723 Compares
| Metric | ZIP 45723 | Athens County | OH State Average |
|---|
| Population | 3,682 | 53,129 (Total) | 11,810,293 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 21.5 /sq mi | -- | -- |
| County Pop Rank | #3 of 14 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →