Rules for ZIP Code 45243
Cincinnati, OH · Hamilton County
ZIP 45243 is governed by the city of Madeira, OH. We do not hold its code yet, and Hamilton County ordinances do not apply inside its limits.
ZIP code 45243 lies in the city of Madeira, OH, which holds about 55% of the ZIP's residents and writes its own local code. We have not added Madeira's ordinances yet, so nothing is shown below: Hamilton County rules govern only unincorporated land and do not reach inside Madeira.
ZIP codes do not follow city lines. 45243 also covers:
- city of The Village of Indian Hill~33% of residents · not covered yet
- unincorporated Hamilton County~12% of residents
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
Madeira is not covered yet
The city of Madeira writes its own code; the county's rules do not apply inside it.Request Madeira coverage →
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