Fairfield County GIS Maps
Fairfield County, Ohio, has 158,921 residents and covers 504.4 square miles. The population grew 8.7% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Fairfield County is 39045.
Lancaster is the county's largest population center. Fairfield County also includes 14 zip codes, 12 public school districts and 31 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.
Fairfield County Trends
- Population
- 158,921▴
- Median Home Value
- $272,200▴
- K-12 Enrollment
- 46,337▾
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.
Fairfield 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.
Fairfield County Population
Fairfield County had 158,921 residents in 2020. That was 8.7% higher than in 2010. Fairfield County added 36,162 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 315 people per square mile. Some of the county's most populated postal areas include Lancaster, Pickerington and Canal Winchester.
Population Trend in Fairfield County OH
Fairfield County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Fairfield County Zip Codes
Fairfield County has 14 zip codes. Some of the county's most populated zip codes include Lancaster (43130), Pickerington (43147) and Canal Winchester (43110). Lancaster is the largest zip by population, with about 62,010 residents or 39% of the county total. Together, the three largest zips account for about 93% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Fairfield County OH
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 43130 | Lancaster | 62,010 | ▴ 4.1% |
| 43147 | Pickerington | 45,281 | ▴ 17.8% |
| 43110 | Canal Winchester | 40,953 | ▴ 21% |
| 43105 | Baltimore | 8,458 | ▴ 3.8% |
| 43112 | Carroll | 5,052 | ▴ 9.4% |
| Download all zip code data | |||
Fairfield County Zip Code populations and trends per most recent census data.
Fairfield County Demographics
Fairfield County has a median age of 39.5, which is close to the Ohio average. About 23.9% of residents are under 18, while 16.4% 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 31.8% of the population, which points to a solid working-age base. About 31.9% 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 Fairfield County OH
Median Age
39.5
Under 18
23.9%
Age 65+
16.4%
Bachelor's+
31.9%
Fairfield County School Districts
Fairfield County is served by 12 public school districts with 46,337 students enrolled in 2024. The largest districts on the county map are Pickerington Local, Reynoldsburg City and Lancaster City. Those three districts account for about 54% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Fairfield County OH
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Pickerington Local School District | 11,729 | 25.3% | ▴ 1.6% |
| Reynoldsburg City School District | 7,130 | 15.4% | ▾ -1.9% |
| Lancaster City School District | 6,036 | 13% | ▾ -3.1% |
| Southwest Licking Local School District | 5,039 | 10.9% | ▴ 2.3% |
| Teays Valley Local School District | 4,538 | 9.8% | ▴ 1.6% |
| Download all school district data | |||
Fairfield County school district enrollment and trends per most recent NCES reporting data.
Fairfield County Housing & Real Estate
Fairfield County has a median home value of $272,200 and a median gross rent of $1,114. About 74% 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 $383,694 and homes spent about 38 days on the market.
Fairfield County Housing Mix
Fairfield County housing mix: owner, renter and vacant units.
Fairfield County Housing Trends
Fairfield County median home value and rent trend (last 5 years).
Businesses in Fairfield County, OH
Fairfield County has 5,163 business listings across 693 categories. The largest categories in Fairfield County business listings are Churches & Religious Organizations (171, 3.3%), Real Estate Agents (170, 3.3%), and Auto Repair (81, 1.6%). The full Fairfield County business listings dataset includes names, categories, addresses and contact details where available. Fairfield County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Fairfield County, OH
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 171 | 3.3% |
| Real Estate Agents | 170 | 3.3% |
| Auto Repair | 81 | 1.6% |
| Medical Offices | 80 | 1.5% |
| Contractors | 79 | 1.5% |
| Parks & Recreation | 74 | 1.4% |
| Pizza Restaurants | 71 | 1.4% |
| Beauty Salons | 68 | 1.3% |
| Professional Services | 67 | 1.3% |
| Insurance Agencies | 66 | 1.3% |
Fairfield County Business Listings
| Business | Category | City |
|---|---|---|
| Sunrise Recovery - Treatment & Sober Living | Abuse And Addiction Treatment | Lancaster |
| Overland Park | Accommodation | Pickerington |
| Oatney & Associates CPA's Inc | Accountant | Lancaster |
| Sweet Shop Performance Horses | Active Life | Pickerington |
| Acupuncture & Wellness of Ohio | Acupuncture | Carroll |
| Beds 'n' Stuff / Waterbeds 'n' Stuff Superstore | Adult Store | Reynoldsburg |
| Big Ideas | Advertising Agency | Lancaster |
| Ag-Pro | Agricultural Service | Lancaster |
| Roger's Honey | Agriculture | Baltimore |
| Aerosport Additive | Aircraft Parts And Supplies | Canal Winchester |
| Download Fairfield County business listings | ||
Fairfield County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Fairfield County Basemaps
Fairfield 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 Fairfield County Data Package
This page shows a preview of what's included in the Fairfield 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 Fairfield County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.