Ada, OH ZIP code

The ZIP code for Ada, Ohio is 45810. It is in Hardin County.

45810

Population in these ZIPs: 7,449
Avg. median income: $63,500population-weighted
Typical home value: $232,000population-weighted

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Ada, OH ZIP code list

Ada, OH ZIP codes
ZIP code	Population	Median income	Typical home value
45810	7,449	$63,451	$232,000

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Ada

Dola 6 mi
Mc Guffey 6 mi
Alger 7 mi
Lafayette 7 mi
Bluffton 7 mi
Harrod 8 mi
Jenera 8 mi
Dunkirk 9 mi
Beaverdam 9 mi
Williamstown 9 mi
Rawson 11 mi
Mount Cory 13 mi

Frequently asked questions

What is the ZIP code for Ada, OH?

The ZIP code for Ada, OH is 45810.

What county is Ada, Ohio in?

Ada ZIP codes are in Hardin County.