Cairo, Ohio

Cairo, Ohio
Houses on Main Street
Location of Cairo, Ohio
Location of Cairo in Allen County
Coordinates: 40°49′51″N 84°05′04″W / 40.83083°N 84.08444°W / 40.83083; -84.08444
CountryUnited States
StateOhio
CountyAllen
TownshipMonroe
Government
 • MayorTodd G. Wilkin
Area
 • Total
0.28 sq mi (0.72 km2)
 • Land0.28 sq mi (0.72 km2)
 • Water0 sq mi (0.00 km2)
Elevation
814 ft (248 m)
Population
 (2020)
 • Total
517
 • Estimate 
(2023)
502
 • Density1,866.4/sq mi (720.62/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
45820
Area code419
FIPS code39-10884
GNIS feature ID2397522
Websitecairooh.org

Cairo (/ˈkɛər/ KAIR-oh) is a village in Allen County, Ohio, United States. As of the 2020 census it had a population of 517. It is included in the Lima Metropolitan Statistical Area.