45820 Frequently Asked Questions

A: ZIP Code 45820 is Located in Cairo Ohio. Portions of 45820 are also in Monroe Township (Allen County).

A: ZIP Code 45820 is Located Entirely in Allen County Ohio.

A: The Current Sales Tax in ZIP Code 45820 is 6.8%

A: The Area Codes for 45820 are 419 and 567

A: ZIP Code 45820 is in the Ohio 4th Congressional District.

A: ZIP Code 45820 is in Ohio State House of Representatives District 78.

A: ZIP Code 45820 is in Ohio State Senate District 12.

A: The 2022 population of ZIP Code 45820 is 645. The population growth rate in 45820 is 36.42%. The population density of 45820 is 2,963.

A: The majority race/ethnicity of people residing in 45820 is White (88.61%).

A: The median household income in 45820 is $61,625 (2021) and the average adjusted income is $-1 ().
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