Clinton County GIS Maps
Clinton County, Ohio, has 42,018 residents and covers 408.7 square miles. The population declined 0.1% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Clinton County is 39027.
Wilmington is the county's largest population center. Clinton County also includes 9 zip codes, 6 public school districts and 30 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Clinton County Trends
- Population
- 42,018▾
- Median Home Value
- $192,800▴
- K-12 Enrollment
- 8,320▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Clinton County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Clinton County Population
Clinton County had 42,018 residents in 2020. That was 0.1% lower than in 2010. Clinton County added 1,475 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 103 people per square mile. Some of the county's most populated postal areas include Wilmington, Blanchester and Sabina.
Population Trend in Clinton County OH
Clinton County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Clinton County Zip Codes
Clinton County has 9 zip codes. Some of the county's most populated zip codes include Wilmington (45177), Blanchester (45107) and Sabina (45169). Wilmington is the largest zip by population, with about 22,349 residents or 53% of the county total. Together, the three largest zips account for about 88% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Clinton County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 45177 | Wilmington | 22,349 | ▴ 0.4% |
| 45107 | Blanchester | 9,806 | ▴ 6.2% |
| 45169 | Sabina | 4,686 | ▾ -1.8% |
| 45113 | Clarksville | 3,974 | ▴ 3% |
| 45159 | New Vienna | 3,524 | ▴ 3.9% |
| Download all zip code data | |||
Clinton County Zip Code populations and trends per most recent census data.
Clinton County Demographics
Clinton County has a median age of 41, which makes the county a little older than Ohio overall. About 22.9% of residents are under 18, while 18.1% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 28.7% of the population, which points to a solid working-age base. About 20.1% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Clinton County OH
Median Age
41
Under 18
22.9%
Age 65+
18.1%
Bachelor's+
20.1%
Clinton County School Districts
Clinton County is served by 6 public school districts with 8,320 students enrolled in 2024. The largest districts on the county map are Wilmington City, Clinton-Massie Local and Greeneview Local. Those three districts account for about 60% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Clinton County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Wilmington City School District | 2,098 | 25.2% | ▾ -0.9% |
| Clinton-Massie Local School District | 1,635 | 19.7% | ▾ -3% |
| Greeneview Local School District | 1,257 | 15.1% | ▴ 0.1% |
| East Clinton Local School District | 1,179 | 14.2% | ▾ -0.8% |
| Blanchester Local School District | 1,156 | 13.9% | ▴ 2.2% |
| Download all school district data | |||
Clinton County school district enrollment and trends per most recent NCES reporting data.
Clinton County Housing & Real Estate
Clinton County has a median home value of $192,800 and a median gross rent of $893. About 71% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Ohio median, while rents come in below the state average. In March 2026, the median listing price was $339,206 and homes spent about 47 days on the market.
Clinton County Housing Mix
Clinton County housing mix: owner, renter and vacant units.
Clinton County Housing Trends
Clinton County median home value and rent trend (last 5 years).
Businesses in Clinton County, OH
Clinton County has 1,701 business listings across 420 categories. The largest categories in Clinton County business listings are Churches & Religious Organizations (56, 3.3%), Auto Repair (42, 2.5%), and Farm (38, 2.2%). The full Clinton County business listings dataset includes names, categories, addresses and contact details where available. Clinton County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Clinton County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 56 | 3.3% |
| Auto Repair | 42 | 2.5% |
| Farm | 38 | 2.2% |
| Gas Stations | 36 | 2.1% |
| Community & Nonprofits | 27 | 1.6% |
| Public And Government Association | 26 | 1.5% |
| Medical Offices | 24 | 1.4% |
| Contractors | 20 | 1.2% |
| Pizza Restaurants | 20 | 1.2% |
| Professional Services | 20 | 1.2% |
Clinton County Business Listings
| Business | Category | City |
|---|---|---|
| BrightView | Abuse And Addiction Treatment | Wilmington |
| Wilmington Court Apartments | Accommodation | Wilmington |
| Evermore Accounting & Coaching | Accountant | Blanchester |
| Blanchester Ball Fields | Active Life | Blanchester |
| Outdoor Cover Warehouse | Adventure Sports Center | Wilmington |
| Murphy Advertising Co. Powered by HALO | Advertising Agency | Wilmington |
| Sunrise Cooperative | Agricultural Cooperatives | Wilmington |
| Ag-Pro | Agricultural Service | Wilmington |
| Thompson Show Feed | Agriculture | Wilmington |
| Airborne Maintenance & Engineering Services | Aircraft Repair | Wilmington |
| Download Clinton County business listings | ||
Clinton County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Clinton County Basemaps
Clinton County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Clinton County Data Package
This page shows a preview of what's included in the Clinton County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Clinton County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.