County GIS · State lines · October 20, 2026
North Carolina–Tennessee Border Counties: Parcel Maps
All 19 counties on the North Carolina–Tennessee line, with seats, populations and each official parcel map, plus what changes at the line.
Looking for the counties on the North Carolina–Tennessee border and their parcel maps? According to the Census Bureau's county adjacency file, 10 North Carolina counties touch 9 Tennessee counties along the line. Each one keeps its own property records and its own parcel viewer, so land near the line often means checking two counties in two states.
Below you will find every county on both sides of the line, who borders whom, and what changes when you cross from one records office to the other.
North Carolina–Tennessee border at a glance
- Counties on the line: 19 (10 in North Carolina, 9 in Tennessee)
- With a verified public parcel viewer in our directory: 19 of 19
- Residents, 2023 estimates: about 270,276 on the North Carolina side and 510,632 on the Tennessee side
- Most populous on each side: Haywood County, NC (62,969) and Blount County, TN (141,456)
- Largest by land area: Haywood County, NC (554 sq mi) and Monroe County, TN (636 sq mi)
North Carolina counties on the line
| County | Seat | Land (sq mi) | 2023 pop. | Parcel viewer |
|---|---|---|---|---|
| Ashe County | Jefferson | 426 | 27,063 | county web map |
| Avery County | Newland | 247 | 17,561 | ArcGIS Web AppBuilder |
| Cherokee County | Murphy | 456 | 29,959 | county web map |
| Graham County | Robbinsville | 292 | 8,052 | ArcGIS Experience Builder |
| Haywood County | Waynesville | 554 | 62,969 | county web map |
| Madison County | Marshall | 450 | 22,071 | ArcGIS Experience Builder |
| Mitchell County | Bakersville | 221 | 14,999 | county web map |
| Swain County | Bryson City | 528 | 13,916 | county web map |
| Watauga County | Boone | 312 | 54,748 | county web map |
| Yancey County | Burnsville | 313 | 18,938 | county web map |
Tennessee counties on the line
| County | Seat | Land (sq mi) | 2023 pop. | Parcel viewer |
|---|---|---|---|---|
| Blount County | Maryville | 559 | 141,456 | Tennessee Property Viewer (TN Comptroller) |
| Carter County | Elizabethton | 341 | 57,022 | Tennessee Property Viewer (TN Comptroller) |
| Cocke County | Newport | 436 | 37,404 | Tennessee Property Viewer (TN Comptroller) |
| Greene County | Greeneville | 622 | 72,577 | Tennessee Property Viewer (TN Comptroller) |
| Johnson County | Mountain City | 298 | 18,375 | Tennessee Property Viewer (TN Comptroller) |
| Monroe County | Madisonville | 636 | 48,594 | Tennessee Property Viewer (TN Comptroller) |
| Polk County | Benton | 435 | 18,033 | Tennessee Property Viewer (TN Comptroller) |
| Sevier County | Sevierville | 592 | 99,415 | Tennessee Property Viewer (TN Comptroller) |
| Unicoi County | Erwin | 186 | 17,756 | Tennessee Property Viewer (TN Comptroller) |
Which counties face each other
Here is who borders whom across the line, based on the Census Bureau adjacency file:
- Ashe County, NC borders Johnson County, TN
- Avery County, NC borders Carter County, TN, Johnson County, TN
- Cherokee County, NC borders Monroe County, TN, Polk County, TN
- Graham County, NC borders Blount County, TN, Monroe County, TN
- Haywood County, NC borders Cocke County, TN, Sevier County, TN
- Madison County, NC borders Cocke County, TN, Greene County, TN, Unicoi County, TN
- Mitchell County, NC borders Carter County, TN, Unicoi County, TN
- Swain County, NC borders Blount County, TN, Sevier County, TN
- Watauga County, NC borders Johnson County, TN
- Yancey County, NC borders Unicoi County, TN
What changes when you cross the line
- Different viewers. On the North Carolina side the official maps run on: county web map (7); ArcGIS Experience Builder (2); ArcGIS Web AppBuilder (1). On the Tennessee side: Tennessee Property Viewer (TN Comptroller) (9). Search boxes, parcel ID formats and the details shown in pop-ups will differ.
- Different records offices. Deeds, plats and tax bills are kept by the county where the parcel sits.
- Different rules. Zoning, septic permits and property tax are set locally and by each state, so check with the county on the side where you plan to build or buy.
Researching a tract that crosses the line
- Find the parcel in both counties' viewers. Each side will show only its own piece, with its own parcel number.
- Pull the recorded deed from each county's register or recorder, since each county records only the land inside its own boundary.
- Expect two tax bills, one from each county, and check each state's rules for homestead or farm exemptions.
- For a sale, a fence or a building permit, hire a licensed surveyor familiar with the line; tax-map lines are drawings, not surveys.
A quick way to check which side a spot is on
Tap the spot on the Platbookmapper Land Map. Its land report names the county and links straight to that county's parcel viewer, plus FEMA flood, USGS elevation, USDA soil and wetland results.
Related guides
- North Carolina county GIS websites by viewer
- North Carolina plat maps
- Tennessee county GIS websites by viewer
- Tennessee plat maps
More: North Carolina counties · Tennessee counties
Sources
- U.S. Census Bureau county adjacency file, used for which counties share the line.
- U.S. Census Bureau Gazetteer files, 2020 county land area.
- U.S. Census Bureau, Population Estimates Program, county totals, Vintage 2023 (July 1, 2023 estimates)
- Platbookmapper county GIS directory (live data file behind our county pages, pulled October 20, 2026) for each county's official parcel viewer.
- County seats: Wikidata (county seat property), cross-checked against Census place names.