Trumbull County GIS Maps
Trumbull County, Ohio, has 201,977 residents and covers 618 square miles. The population declined 4% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Trumbull County is 39155.
Warren is the county's largest population center. Trumbull County also includes 25 zip codes, 22 public school districts and 54 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.
Trumbull County Trends
- Population
- 201,977▾
- Median Home Value
- $128,100▴
- K-12 Enrollment
- 24,909▾
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.
Trumbull 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.
Trumbull County Population
Trumbull County had 201,977 residents in 2020. That was 4% lower than in 2010. Trumbull County had 23,139 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 327 people per square mile. Some of the county's most populated postal areas include Warren, Warren and Niles.
Population Trend in Trumbull County OH
Trumbull County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Trumbull County Zip Codes
Trumbull County has 25 zip codes. Some of the county's most populated zip codes include Warren (44483), Warren (44484) and Niles (44446). Warren is the largest zip by population, with about 24,840 residents or 12% of the county total. Together, the three largest zips account for about 33% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Trumbull County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 44483 | Warren | 24,840 | ▾ -4.5% |
| 44484 | Warren | 22,290 | ▾ -3% |
| 44446 | Niles | 20,173 | ▾ -3.7% |
| 44410 | Cortland | 16,824 | ▾ -3.4% |
| 44485 | Warren | 15,172 | ▾ -8% |
| Download all zip code data | |||
Trumbull County Zip Code populations and trends per most recent census data.
Trumbull County Demographics
Trumbull County has a median age of 43.8, which makes the county a little older than Ohio overall. About 20.6% of residents are under 18, while 22% 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 20.3% 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 Trumbull County OH
Median Age
43.8
Under 18
20.6%
Age 65+
22%
Bachelor's+
20.3%
Trumbull County School Districts
Trumbull County is served by 22 public school districts with 24,909 students enrolled in 2024. The largest districts on the county map are Warren City, Howland Local and Niles City. Those three districts account for about 36% 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 Trumbull County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Warren City School District | 4,717 | 18.9% | ▴ 3.2% |
| Howland Local School District | 2,283 | 9.2% | ▾ -4.4% |
| Niles City School District | 1,877 | 7.5% | ▾ -4.3% |
| Hubbard Exempted Village School District | 1,739 | 7% | — 0% |
| Lakeview Local School District | 1,501 | 6% | ▾ -0.6% |
| Download all school district data | |||
Trumbull County school district enrollment and trends per most recent NCES reporting data.
Trumbull County Housing & Real Estate
Trumbull County has a median home value of $128,100 and a median gross rent of $783. About 72% 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 $195,725 and homes spent about 56 days on the market.
Trumbull County Housing Mix
Trumbull County housing mix: owner, renter and vacant units.
Trumbull County Housing Trends
Trumbull County median home value and rent trend (last 5 years).
Businesses in Trumbull County, OH
Trumbull County has 7,458 business listings across 768 categories. The largest categories in Trumbull County business listings are Churches & Religious Organizations (260, 3.5%), Auto Repair (121, 1.6%), and Beauty Salons (113, 1.5%). The full Trumbull County business listings dataset includes names, categories, addresses and contact details where available. Trumbull County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Trumbull County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 260 | 3.5% |
| Auto Repair | 121 | 1.6% |
| Beauty Salons | 113 | 1.5% |
| Medical Offices | 105 | 1.4% |
| Insurance Agencies | 101 | 1.4% |
| Convenience Stores | 100 | 1.3% |
| Contractors | 97 | 1.3% |
| Gas Stations | 97 | 1.3% |
| Pizza Restaurants | 90 | 1.2% |
| Discount Store | 87 | 1.2% |
Trumbull County Business Listings
| Business | Category | City |
|---|---|---|
| Hannah's House | Abuse And Addiction Treatment | Vienna |
| Kent State Trumbull Bookstore | Academic Bookstore | Warren |
| River Run Apartments | Accommodation | Warren |
| Capital Business Strategies | Accountant | Warren |
| Iron Eagle Fitness | Active Life | Hubbard |
| The Acupuncture Center | Acupuncture | Warren |
| A AA A Alcohol Detox & Drug Rehab Center of All About Treatment | Addiction Rehabilitation Center | Niles |
| Skippers Club | Adult Entertainment | Warren |
| adultmart | Adult Store | Niles |
| 2 Ticks and The Dog Productions | Advertising Agency | Warren |
| Download Trumbull County business listings | ||
Trumbull County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Trumbull County Basemaps
Trumbull 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 Trumbull County Data Package
This page shows a preview of what's included in the Trumbull 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 Trumbull County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.