McNairy County GIS Maps
McNairy County, Tennessee, has 25,866 residents across 19,148 parcels and covers 562.8 square miles. The population declined 0.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for McNairy County is 47109.
Selmer is the county's largest population center. McNairy County also includes 9 zip codes, 1 public school district and 16 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.
McNairy County Trends
- Population
- 25,866▾
- Median Home Value
- $151,100▴
- K-12 Enrollment
- 3,733▾
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.
McNairy 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.
McNairy County Parcels
McNairy County has 19,148 mapped parcels covering 354,933 acres. The median lot size is 2.97 acres. 3,061 parcels are 10 acres or larger. The records carry 14,126 distinct owner names. Owner names, site addresses and lot sizes are on nearly every parcel. Browse the interactive McNairy County Parcel viewer here.
McNairy County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 19,148 | 100% |
| Owner name | 19,145 | 99.9% |
| Owner mailing address | 0 | 0% |
| Site address | 19,147 | 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 | 19,148 | 100% |
| Parcel boundary | 19,148 | 100% |
| Download all McNairy County parcels. | ||
Field coverage measured across all McNairy County parcel records.
McNairy County Population
McNairy County had 25,866 residents in 2020. That was 0.8% lower than in 2010. McNairy County added 1,213 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 46 people per square mile. Some of the county's most populated postal areas include Selmer, Adamsville and Bethel Springs.
Population Trend in McNairy County TN
McNairy County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
McNairy County Zip Codes
McNairy County has 9 zip codes. Some of the county's most populated zip codes include Selmer (38375), Adamsville (38310) and Bethel Springs (38315). Selmer is the largest zip by population, with about 9,071 residents or 35% of the county total. Together, the three largest zips account for about 73% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in McNairy County TN
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 38375 | Selmer | 9,071 | ▾ -1.9% |
| 38310 | Adamsville | 6,204 | ▴ 1% |
| 38315 | Bethel Springs | 3,653 | ▾ -5.8% |
| 38357 | Michie | 2,999 | ▴ 8.8% |
| 38367 | Ramer | 2,687 | ▾ -5.5% |
| Download all zip code data | |||
McNairy County Zip Code populations and trends per most recent census data.
McNairy County Demographics
McNairy County has a median age of 43.1, which makes the county a little older than Tennessee overall. About 21.6% of residents are under 18, while 21.1% 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 29.3% of the population, which points to a solid working-age base. About 11.8% of adults have a bachelor's degree or higher, above the statewide figure of 30.4%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for McNairy County TN
Median Age
43.1
Under 18
21.6%
Age 65+
21.1%
Bachelor's+
11.8%
McNairy County School Districts
McNairy County is served by 1 public school district with 3,733 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 McNairy County TN
| District | Enrollment | Share | Trend |
|---|---|---|---|
| McNairy County School District | 3,733 | 100% | ▾ -2.3% |
| Download all school district data | |||
McNairy County school district enrollment and trends per most recent NCES reporting data.
McNairy County Housing & Real Estate
McNairy County has a median home value of $151,100 and a median gross rent of $706. About 79% 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 $222,000 and homes spent about 90 days on the market.
McNairy County Housing Mix
McNairy County housing mix: owner, renter and vacant units.
McNairy County Housing Trends
McNairy County median home value and rent trend (last 5 years).
Businesses in McNairy County, TN
McNairy County has 972 business listings across 305 categories. The largest categories in McNairy County business listings are Churches & Religious Organizations (78, 8.0%), Baptist Church (32, 3.3%), and Gas Stations (20, 2.1%). The full McNairy County business listings dataset includes names, categories, addresses and contact details where available. McNairy County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in McNairy County, TN
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 78 | 8.0% |
| Baptist Church | 32 | 3.3% |
| Gas Stations | 20 | 2.1% |
| Medical Offices | 19 | 2.0% |
| Beauty Salons | 18 | 1.9% |
| Insurance Agencies | 18 | 1.9% |
| Discount Store | 14 | 1.4% |
| Elementary School | 13 | 1.3% |
| Auto Repair | 12 | 1.2% |
| Convenience Stores | 12 | 1.2% |
McNairy County Business Listings
| Business | Category | City |
|---|---|---|
| Wickberg Accounting PLLC | Accountant | Adamsville |
| Maximum Health and Fitness | Active Life | Selmer |
| LLB Performance Horses | Agricultural Service | Selmer |
| A G & N Ag Supply | Agriculture | Adamsville |
| Robert Sibley Airport | Airport | Selmer |
| Born and Bread Restaurant and Grocery | American Restaurants | Adamsville |
| Kimberlyz Closet | Antique Store | Selmer |
| Roberts appliances & repair | Appliance Repair Service | Bethel Springs |
| Custom Gear Archery Shop | Archery Shop | Michie |
| Hockaday Handmade Brooms | Arts And Crafts | Selmer |
| Download McNairy County business listings | ||
McNairy County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
McNairy County Basemaps
McNairy 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 McNairy County Data Package
This page shows a preview of what's included in the McNairy 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 McNairy County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.