ZIP Code
ZIP Code 45820
Cairo, Allen County, Ohio OH
Population
581
Density
809.8/sq mi
Timezone
America/New_York
Safety Score
50
50
Average
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Overview
ZIP code 45820 is located in Cairo, Allen County, Ohio. The area has a population of approximately 581 residents with a population density of 809.8 per square mile. It is in the America/New_York timezone.