ZIP Code 45820
About Cairo
Cairo 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.
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Area Profile
US Census (ACS 5-year · Gazetteer)
600
population
$79,643
median household income
2,166
people / sq mi
$107,900
median home value
$850
median gross rent
34.9
median age
263
housing units
236
households
0.3
land area (sq mi)