My Local Guide

Aviation Heritage Above a Working Landscape

Clinton County, Ohio

Clinton County brings together working communities, local history, outdoor spaces, and the character of Wilmington. From National Museum of the United States Air Force Restoration Hangar to Clinton County History Center, the county offers visitors and prospective residents a grounded mix of heritage, recreation, working communities, and local institutions. Wilmington serves as the county seat, while surrounding villages and townships add distinct traditions, landscapes, and reasons to take the slower road.

Clinton County at a Glance

Population42,301 (2025 estimate)
County SeatWilmington
Largest CityWilmington
Established1810
ZIP Codes9 ZIP Codes
Total Area412 square miles including water
Major RoutesMajor state and U.S. routes serving the county
Area Codes937 and 326
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Clinton County photograph
Discover Clinton County

Clinton County

Established in 1810, Clinton County developed around working communities, local history, outdoor spaces, and the character of Wilmington. Its county seat, Wilmington, remains an important civic center, while the county's smaller communities preserve local institutions, events, and landscapes. Today, places such as National Museum of the United States Air Force Restoration Hangar and Cowan Lake State Park help residents and visitors understand how geography, work, transportation, and shared memory shaped the area.

Life here moves between community centers, rural roads, public parks, and locally important gathering places. Visitors can pair Clinton County History Center with Caesar Creek State Park, then spend time around Downtown Wilmington. Residents benefit from regional access while keeping close connections to schools, libraries, parks, civic groups, and annual traditions.

What Shapes Us

Heritage

Cowan Lake State Park and local historic sites preserve the people, industries, and events that shaped the county.

Landscape and Work

Working communities, local history, outdoor spaces, and the character of wilmington continue to influence recreation, transportation, local business, and the county's visual identity.

Community Life

Wilmington, Wilmington, villages, and townships connect through schools, libraries, parks, festivals, and everyday civic involvement.

Many communities one enduring Clinton County story
WHIO TV 7 Dayton

Police investigate rollover crash in Dayton

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Read the Story Nov 14, 2026 • 2 min read
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Meet Local Businesses

Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.

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Clinton County Resources

Everything You Need. All in One Place.

Find practical Clinton County contacts for government, schools, health care, public safety, parks, trails, utilities, libraries, courts, transportation, veterans services, employment, and other everyday needs.

Government

Clinton County Government
County offices, departments, public records, and resident services.
Official Website

Ohio.gov
State services and agency information for Ohio residents.
Official Website

Ohio Secretary of State Elections
Official voter, election, and polling-place information.
Official Website

Ohio Auditor of State
Public-office audits, local-government reports, and financial accountability resources.
Official Website

Ohio Treasurer of State
State financial programs, public-funds information, and resident services.
Official Website

We're Here To Help.

Clear answers for visiting, living in, and getting around Clinton County.

Helpful Information

Frequently Asked Questions

Get useful, locally focused answers about Clinton County attractions, communities, outdoor recreation, history, travel, seasonal conditions, ZIP Codes, and everyday planning.

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Meet Local Businesses

Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.

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My Local Guide

Find Something Fun

Top Picks for Every Kind of Day.

Browse family activities, restaurants, shopping, boutiques, outdoor destinations, and free things to do across Clinton County.

Every place has a story.Find Your Next Favorite.
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