45321 Frequently Asked Questions

A: ZIP Code 45321 is Located in Eldorado Ohio. Portions of 45321 are also in Monroe Township (Preble County).

A: ZIP Code 45321 is Located Entirely in Preble County Ohio.

A: The Current Sales Tax in ZIP Code 45321 is 7.2%

A: The Area Codes for 45321 are 326 and 937

A: ZIP Code 45321 is in the Ohio 8th Congressional District.

A: ZIP Code 45321 is in Ohio State House of Representatives District 40.

A: ZIP Code 45321 is in Ohio State Senate District 5.

A: The 2022 population of ZIP Code 45321 is 1235. The population growth rate in 45321 is 41.32%. The population density of 45321 is 72.

A: The majority race/ethnicity of people residing in 45321 is White (98.65%).

A: The median household income in 45321 is $59,000 (2021) and the average adjusted income is $125,420 (2021).