About 45403 - Dayton, Ohio
45403 is a mid-sized ZIP code covering Dayton in Ohio, the United States. This area falls under Dayton County County.
Census data puts the population of this ZIP code at 23,288 residents. This is roughly in line with the Ohio average of about 22,693 residents.
Median household income is about $60,700 (near the Ohio average).
Other ZIP code codes in Ohio serve areas such as Columbus, Saint Henry, Brunswick.