Butler County GIS Maps
Butler County, Ohio, has 390,357 residents and covers 466.6 square miles. The population grew 6% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Butler County is 39017.
Hamilton is the county's largest population center. Butler County also includes 14 zip codes, 16 public school districts and 39 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.
Butler County Trends
- Population
- 390,357▴
- Median Home Value
- $243,000▴
- K-12 Enrollment
- 86,252▾
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.
Butler 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.
Butler County Population
Butler County had 390,357 residents in 2020. That was 6% higher than in 2010. Butler County added 57,550 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 837 people per square mile. Some of the county's most populated postal areas include Hamilton, Middletown and Hamilton.
Population Trend in Butler County OH
Butler County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Butler County Zip Codes
Butler County has 14 zip codes. Some of the county's most populated zip codes include Hamilton (45011), Middletown (45044) and Hamilton (45013). Hamilton is the largest zip by population, with about 73,596 residents or 19% of the county total. Together, the three largest zips account for about 47% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Butler County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 45011 | Hamilton | 73,596 | ▴ 5.6% |
| 45044 | Middletown | 56,128 | ▴ 6.3% |
| 45013 | Hamilton | 53,911 | ▴ 2.5% |
| 45069 | West Chester | 53,694 | ▴ 9.4% |
| 45014 | Fairfield | 46,169 | ▴ 5.1% |
| Download all zip code data | |||
Butler County Zip Code populations and trends per most recent census data.
Butler County Demographics
Butler County has a median age of 37.1, which makes the county a little younger than Ohio overall. About 23.6% of residents are under 18, while 15.5% 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 30% of the population, which points to a solid working-age base. About 32.5% of adults have a bachelor's degree or higher, above the statewide figure of 30.9%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Butler County OH
Median Age
37.1
Under 18
23.6%
Age 65+
15.5%
Bachelor's+
32.5%
Butler County School Districts
Butler County is served by 16 public school districts with 86,252 students enrolled in 2024. The largest districts on the county map are Lakota Local, Mason City and Fairfield City. Those three districts account for about 44% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Butler County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Lakota Local School District | 17,853 | 20.7% | ▾ 0% |
| Mason City School District | 10,155 | 11.8% | ▾ -1.3% |
| Fairfield City School District | 9,591 | 11.1% | ▾ 0% |
| Hamilton City School District | 9,014 | 10.5% | ▾ -0.4% |
| Northwest Local School District | 8,260 | 9.6% | ▾ -2.4% |
| Download all school district data | |||
Butler County school district enrollment and trends per most recent NCES reporting data.
Butler County Housing & Real Estate
Butler County has a median home value of $243,000 and a median gross rent of $1,098. About 70% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Ohio median, while rents come in above the state average. In March 2026, the median listing price was $349,500 and homes spent about 34 days on the market.
Butler County Housing Mix
Butler County housing mix: owner, renter and vacant units.
Butler County Housing Trends
Butler County median home value and rent trend (last 5 years).
Businesses in Butler County, OH
Butler County has 13,309 business listings across 914 categories. The largest categories in Butler County business listings are Churches & Religious Organizations (405, 3.0%), Auto Repair (228, 1.7%), and Contractors (219, 1.6%). The full Butler County business listings dataset includes names, categories, addresses and contact details where available. Butler County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Butler County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 405 | 3.0% |
| Auto Repair | 228 | 1.7% |
| Contractors | 219 | 1.6% |
| Real Estate Agents | 214 | 1.6% |
| Insurance Agencies | 172 | 1.3% |
| Beauty Salons | 167 | 1.3% |
| Medical Offices | 154 | 1.2% |
| Fast Food | 150 | 1.1% |
| Parks & Recreation | 141 | 1.1% |
| Banks & Credit Unions | 140 | 1.1% |
Butler County Business Listings
| Business | Category | City |
|---|---|---|
| Cincy Print Haus | 3D Printing Service | West Chester Township |
| Community Medical Services | Abuse And Addiction Treatment | West Chester Twp |
| DuBois Book Store | Academic Bookstore | Oxford |
| McCauly Crossing Apartments | Accommodation | Cincinnati |
| Stephenson and Warner | Accountant | West Chester |
| Slam Dunk Sports Marketing | Active Life | Middletown |
| Acupuncture Health Alliance | Acupuncture | West Chester |
| Addiction Rehab Hamilton | Addiction Rehabilitation Center | Hamilton |
| Butler County Foster Care | Adoption Services | Hamilton |
| Hustler Hollywood | Adult Entertainment | Monroe |
| Download Butler County business listings | ||
Butler County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Butler County Basemaps
Butler 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 Butler County Data Package
This page shows a preview of what's included in the Butler 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 Butler County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.