Obion County GIS Maps
Obion County, Tennessee, has 30,787 residents across 19,967 parcels and covers 544.9 square miles. The population declined 3.2% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Obion County is 47131.
Union City is the county's largest population center. Obion County also includes 8 zip codes, 2 public school districts and 20 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 parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Obion County Trends
- Population
- 30,787▾
- Median Home Value
- $122,700▴
- K-12 Enrollment
- 4,606▾
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.
Obion 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.
Obion County Parcels
Obion County has 19,967 mapped parcels covering 346,720 acres. The median lot size is 3.14 acres. 2,586 parcels are 10 acres or larger. The records carry 14,007 distinct owner names. Owner names, site addresses and lot sizes are on nearly every parcel. Browse the interactive Obion County Parcel viewer here.
Obion County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 19,967 | 100% |
| Owner name | 19,965 | 99.9% |
| Owner mailing address | 0 | 0% |
| Site address | 19,963 | 99.9% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 0 | 0% |
| Land value | 0 | 0% |
| Improvement value | 0 | 0% |
| Acreage | 19,967 | 100% |
| Parcel boundary | 19,967 | 100% |
| Download all Obion County parcels. | ||
Field coverage measured across all Obion County parcel records.
Obion County Population
Obion County had 30,787 residents in 2020. That was 3.2% lower than in 2010. Obion County had 1,663 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 57 people per square mile. Some of the county's most populated postal areas include Union City, Fulton and Troy.
Population Trend in Obion County TN
Obion County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Obion County Zip Codes
Obion County has 8 zip codes. Some of the county's most populated zip codes include Union City (38261), Fulton (38257) and Troy (38260). Union City is the largest zip by population, with about 16,627 residents or 54% of the county total. Together, the three largest zips account for about 80% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Obion County TN
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 38261 | Union City | 16,627 | ▾ -1.7% |
| 38257 | Fulton | 4,121 | ▾ -6.3% |
| 38260 | Troy | 3,838 | ▴ 0.9% |
| 38232 | Hornbeak | 1,990 | ▾ -0.4% |
| 38240 | Obion | 1,970 | ▾ -12.8% |
| Download all zip code data | |||
Obion County Zip Code populations and trends per most recent census data.
Obion County Demographics
Obion County has a median age of 41.9, which makes the county a little older than Tennessee overall. About 22% of residents are under 18, while 20.5% 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 30.1% of the population, which points to a solid working-age base. About 18.1% of adults have a bachelor's degree or higher, above the statewide figure of 30.4%. 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 Obion County TN
Median Age
41.9
Under 18
22%
Age 65+
20.5%
Bachelor's+
18.1%
Obion County School Districts
Obion County is served by 2 public school districts with 4,606 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% 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 Obion County TN
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Obion County School District | 2,959 | 64.2% | ▾ 0% |
| Union City School District | 1,647 | 35.8% | ▾ -3.5% |
| Download all school district data | |||
Obion County school district enrollment and trends per most recent NCES reporting data.
Obion County Housing & Real Estate
Obion County has a median home value of $122,700 and a median gross rent of $770. About 67% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Tennessee median, while rents come in below the state average. In March 2026, the median listing price was $216,225 and homes spent about 71 days on the market.
Obion County Housing Mix
Obion County housing mix: owner, renter and vacant units.
Obion County Housing Trends
Obion County median home value and rent trend (last 5 years).
Businesses in Obion County, TN
Obion County has 1,367 business listings across 398 categories. The largest categories in Obion County business listings are Churches & Religious Organizations (73, 5.3%), Baptist Church (30, 2.2%), and Medical Offices (24, 1.8%). The full Obion County business listings dataset includes names, categories, addresses and contact details where available. Obion County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Obion County, TN
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 73 | 5.3% |
| Baptist Church | 30 | 2.2% |
| Medical Offices | 24 | 1.8% |
| Auto Repair | 23 | 1.7% |
| Insurance Agencies | 17 | 1.2% |
| Convenience Stores | 17 | 1.2% |
| Beauty Salons | 17 | 1.2% |
| Gas Stations | 16 | 1.2% |
| ATMs | 16 | 1.2% |
| Public And Government Association | 15 | 1.1% |
Obion County Business Listings
| Business | Category | City |
|---|---|---|
| Premier lodging on Reelfoot lake , TN | Accommodation | Hornbeak |
| Hollomon & Hollomon CPAs | Accountant | Union City |
| Xtreme Fitness | Active Life | Union City |
| Lead Generation Marketing Services | Advertising Agency | Union City |
| Obion Farmers Co-Op | Agricultural Cooperatives | Union City |
| Advance Feeding Systems Inc | Agricultural Service | South Fulton |
| Ervin Feedmill | Agriculture | Obion |
| Everett-Stewart Regional Airport | Airport | Union City |
| RCN Treatment Centers | Alcohol And Drug Treatment Centers | Union City |
| Air Evac 143 - Obion County, TN | Ambulance And Ems Services | Troy |
| Download Obion County business listings | ||
Obion County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Obion County Basemaps
Obion 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 Obion County Data Package
This page shows a preview of what's included in the Obion 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 parcels, 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 Obion County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.