ZIP code · Coolville · Ohio · United States
ZIP code 45723 — Coolville
ZIP code 45723 serves Coolville, Ohio.
- Postal code
- 45723Single source Value from one source, not cross-checked.
- City
- Coolville
- County
- Athens FIPS 39009
- State
- Ohio
- Country
- United States
- Coordinates
- 39.2141, -81.8329 — precision precise (locality)
View on OpenStreetMap - Population
- 3,663 (ZCTA, ACS 5-year)
- Population density
- 55 / sq mi
- Land area
- 66 sq mi (171.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,793
- Per-capita income
- $32,613
- Median age
- 50.1
- Households
- 1,380
- Housing units
- 1,689
- Median home value
- $167,700
- Median gross rent
- $745 / month
- Congressional districts
- OH-12 (also OH-2, OH-6) (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 740Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 45723 with another ZIP · ZIPs within 25 miles · distance from 45723
Map of ZIP code 45723
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 44 | 54 | 67 | 76 | 83 | 87 | 86 | 80 | 68 | 55 | 45 |
| Avg low °F | 24 | 26 | 33 | 42 | 53 | 62 | 66 | 64 | 57 | 45 | 35 | 29 |
| Precip in | 3.4 | 3.0 | 4.0 | 3.7 | 4.5 | 4.9 | 4.6 | 3.6 | 3.2 | 3.0 | 2.8 | 3.4 |
NOAA 1991–2020 climate normals from the nearest station: PARKERSBURG (15.5 mi) · NOAA NCEI
Places in ZIP 45723
- 2 restaurants & cafés
- 1 parks
- 3 playgrounds
- 1 post offices
- 6 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page