Richland County GIS Maps
Richland County, Ohio, has 124,936 residents and covers 495.2 square miles. The population grew 0.4% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Richland County is 39139.
Mansfield is the county's largest population center. Richland County also includes 12 zip codes, 15 public school districts and 40 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.
Richland County Trends
- Population
- 124,936▴
- Median Home Value
- $154,000▴
- K-12 Enrollment
- 22,607▾
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.
Richland 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.
Richland County Population
Richland County had 124,936 residents in 2020. That was 0.4% higher than in 2010. Richland County had 3,916 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 252 people per square mile. Some of the county's most populated postal areas include Mansfield, Mansfield and Mansfield.
Population Trend in Richland County OH
Richland County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Richland County Zip Codes
Richland County has 12 zip codes. Some of the county's most populated zip codes include Mansfield (44903), Mansfield (44905) and Mansfield (44906). Mansfield is the largest zip by population, with about 25,613 residents or 21% 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 Richland County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 44903 | Mansfield | 25,613 | ▴ 0% |
| 44905 | Mansfield | 16,827 | ▴ 15.9% |
| 44906 | Mansfield | 16,566 | ▾ -0.9% |
| 44907 | Mansfield | 15,014 | ▴ 4.9% |
| 44904 | Lexington | 14,368 | ▴ 3.3% |
| Download all zip code data | |||
Richland County Zip Code populations and trends per most recent census data.
Richland County Demographics
Richland County has a median age of 40.9, which makes the county a little older than Ohio overall. About 21.9% of residents are under 18, while 19.8% 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 31.2% of the population, which points to a solid working-age base. About 17.9% 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 Richland County OH
Median Age
40.9
Under 18
21.9%
Age 65+
19.8%
Bachelor's+
17.9%
Richland County School Districts
Richland County is served by 15 public school districts with 22,607 students enrolled in 2024. The largest districts on the county map are Ashland City, Mansfield City and Madison Local. Those three districts account for about 38% 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 Richland County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Ashland City School District | 3,007 | 13.3% | ▾ -2.1% |
| Mansfield City School District | 2,953 | 13.1% | ▾ -7.2% |
| Madison Local School District | 2,626 | 11.6% | ▾ -1.3% |
| Lexington Local School District | 2,210 | 9.8% | ▾ -3.3% |
| Ontario Local School District | 1,933 | 8.6% | ▴ 1.2% |
| Download all school district data | |||
Richland County school district enrollment and trends per most recent NCES reporting data.
Richland County Housing & Real Estate
Richland County has a median home value of $154,000 and a median gross rent of $791. About 68% 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 $224,450 and homes spent about 47 days on the market.
Richland County Housing Mix
Richland County housing mix: owner, renter and vacant units.
Richland County Housing Trends
Richland County median home value and rent trend (last 5 years).
Businesses in Richland County, OH
Richland County has 4,939 business listings across 698 categories. The largest categories in Richland County business listings are Churches & Religious Organizations (201, 4.1%), Auto Repair (93, 1.9%), and Medical Offices (71, 1.4%). The full Richland County business listings dataset includes names, categories, addresses and contact details where available. Richland County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Richland County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 201 | 4.1% |
| Auto Repair | 93 | 1.9% |
| Medical Offices | 71 | 1.4% |
| Insurance Agencies | 69 | 1.4% |
| Gas Stations | 68 | 1.4% |
| Community & Nonprofits | 54 | 1.1% |
| Contractors | 54 | 1.1% |
| ATMs | 54 | 1.1% |
| Pizza Restaurants | 53 | 1.1% |
| Parks & Recreation | 51 | 1.0% |
Richland County Business Listings
| Business | Category | City |
|---|---|---|
| Mansfield Comprehensive Treatment Center | Abuse And Addiction Treatment | Mansfield |
| Fox Hollow | Accommodation | Lexington |
| WOB Accountants and Advisors | Accountant | Ontario |
| Mansfield Nutrition | Active Life | Mansfield |
| New Day Acupuncture | Acupuncture | Mansfield |
| Addiction Rehab Mansfield | Addiction Rehabilitation Center | Mansfield |
| TopHat Gentlemens-Club | Adult Entertainment | Mansfield |
| adultmart | Adult Store | Mansfield |
| Town Money Saver | Advertising Agency | Lucas |
| Ag-Pro | Agricultural Service | Mansfield |
| Download Richland County business listings | ||
Richland County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Richland County Basemaps
Richland 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 Richland County Data Package
This page shows a preview of what's included in the Richland 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 Richland County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.