Franklin County GIS Maps
Franklin County, Ohio, has 1,323,807 residents and covers 532.4 square miles. The population grew 13.8% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Franklin County is 39049.
Columbus is the county's largest population center. Franklin County also includes 44 zip codes, 19 public school districts and 47 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.
Franklin County Trends
- Population
- 1,323,807▴
- Median Home Value
- $265,700▴
- K-12 Enrollment
- 192,353▴
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.
Franklin 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.
Franklin County Population
Franklin County had 1,323,807 residents in 2020. That was 13.8% higher than in 2010. Franklin County added 254,829 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 2,486 people per square mile. Some of the county's most populated postal areas include Grove City, Hilliard and Westerville.
Population Trend in Franklin County OH
Franklin County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Franklin County Zip Codes
Franklin County has 44 zip codes. Some of the county's most populated zip codes include Grove City (43123), Hilliard (43026) and Westerville (43081). Grove City is the largest zip by population, with about 66,188 residents or 5% of the county total. Together, the three largest zips account for about 15% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Franklin County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 43123 | Grove City | 66,188 | ▴ 13.3% |
| 43026 | Hilliard | 64,607 | ▴ 19.6% |
| 43081 | Westerville | 64,338 | ▴ 14.9% |
| 43068 | Reynoldsburg | 59,585 | ▴ 14.9% |
| 43228 | Columbus | 58,465 | ▴ 15.2% |
| Download all zip code data | |||
Franklin County Zip Code populations and trends per most recent census data.
Franklin County Demographics
Franklin County has a median age of 34.7, which makes the county a little younger than Ohio overall. About 23.4% of residents are under 18, while 12.7% 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 37.6% of the population, which points to a solid working-age base. About 42% 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 Franklin County OH
Median Age
34.7
Under 18
23.4%
Age 65+
12.7%
Bachelor's+
42%
Franklin County School Districts
Franklin County is served by 19 public school districts with 192,353 students enrolled in 2024. The largest districts on the county map are Columbus City, South-Western City and Dublin 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 Franklin County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Columbus City School District | 46,249 | 24% | ▴ 2.4% |
| South-Western City School District | 21,873 | 11.4% | ▴ 0.3% |
| Dublin City School District | 16,967 | 8.8% | ▴ 1.4% |
| Hilliard City School District | 16,298 | 8.5% | ▴ 0.8% |
| Westerville City School District | 14,589 | 7.6% | ▴ 0.4% |
| Download all school district data | |||
Franklin County school district enrollment and trends per most recent NCES reporting data.
Franklin County Housing & Real Estate
Franklin County has a median home value of $265,700 and a median gross rent of $1,233. About 53% 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 $300,000 and homes spent about 40 days on the market.
Franklin County Housing Mix
Franklin County housing mix: owner, renter and vacant units.
Franklin County Housing Trends
Franklin County median home value and rent trend (last 5 years).
Businesses in Franklin County, OH
Franklin County has 52,998 business listings across 1,296 categories. The largest categories in Franklin County business listings are Churches & Religious Organizations (1,150, 2.2%), Real Estate Agents (1,080, 2.0%), and Landmark And Historical Building (921, 1.7%). The full Franklin County business listings dataset includes names, categories, addresses and contact details where available. Franklin County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Franklin County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 1,150 | 2.2% |
| Real Estate Agents | 1,080 | 2.0% |
| Landmark And Historical Building | 921 | 1.7% |
| Community & Nonprofits | 750 | 1.4% |
| Beauty Salons | 665 | 1.3% |
| Medical Offices | 649 | 1.2% |
| Contractors | 639 | 1.2% |
| Professional Services | 615 | 1.2% |
| Insurance Agencies | 597 | 1.1% |
| Parks & Recreation | 594 | 1.1% |
Franklin County Business Listings
| Business | Category | City |
|---|---|---|
| American Print Pro | 3D Printing Service | Columbus |
| Embassy of Woodview | Abuse And Addiction Treatment | Columbus |
| Ujamaa Book Store | Academic Bookstore | Columbus |
| Zest Juice Co | Acai Bowls | Columbus |
| Uncommon Columbus | Accommodation | Columbus |
| Hogan CPA Financial Services | Accountant | Columbus |
| iMPACT Pickleball | Active Life | Bexley |
| 12 Meridians Acupuncture | Acupuncture | Columbus |
| Robin Recovery | Addiction Rehabilitation Center | Whitehall |
| JustChoice | Adoption Services | Worthington |
| Download Franklin County business listings | ||
Franklin County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Franklin County Basemaps
Franklin 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 Franklin County Data Package
This page shows a preview of what's included in the Franklin 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 Franklin County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.