County outline
Where Hancock County is located
Area breakdown
Land accounts for 99.5% of Hancock County’s measured area and water for 0.5%. Its combined area converts to 578.8 square kilometers or approximately 143,026 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 222.324 | 575.817 | 142,287.4 |
| Water | 1.154 | 2.989 | 738.6 |
| Total | 223.478 | 578.805 | 143,025.9 |
How Hancock County compares
By original Census land area, Hancock County ranks #87 of 95 in Tennessee and #2965 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.51 times the Tennessee county-equivalent median of 436.1 square miles. It accounts for 0.5% of the combined county land area in the state.
See the complete Tennessee ranking · What counts as a county equivalent?
Population and density of Hancock County
The Census Bureau estimates that 7,075 people lived in Hancock County on July 1, 2025. That ranks #2,727 of 3,222 county equivalents nationally and #91 of 95 in Tennessee. Since the April 1, 2020 estimates base of 6,661, the population has grown by 414 (+6.2%), compared with +5.8% for Tennessee as a whole.
With 222.3 square miles of land, that is 32 people per square mile (12 per km²), placing Hancock County #1,949 nationally for density and #91 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 20 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 6,628 | 6,791 | 6,839 | 6,974 | 7,046 | 7,075 |
| Change | — | +163 | +48 | +135 | +72 | +29 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Hancock County
1 incorporated place lies at least partly in Hancock County. Together they are home to 1,349 people (19.1%); the other 5,726 (80.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Sneedville town, with 1,349 residents in the county.
Metropolitan area
Hancock County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.
ZIP codes
5 ZIP Code Tabulation Areas have land in Hancock County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.
3773137765378693787937881
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Hancock County
Hancock County shares a land border with 5 county equivalents, including 2 in Virginia. Each of them has more land than Hancock County. The largest neighbor is Scott County (535.8 mi²) and the smallest is Grainger County (280.6 mi²). Together with its neighbors, Hancock County forms a block of 2,395.8 mi² of land, of which it holds 9.3%.
| Bordering county equivalent | Land mi² | Size vs. Hancock | Compare |
|---|---|---|---|
| Scott CountyVirginia | 535.8 | 2.4× larger | Compare |
| Hawkins County | 487.1 | 2.2× larger | Compare |
| Lee CountyVirginia | 435.4 | 2× larger | Compare |
| Claiborne County | 434.6 | 2× larger | Compare |
| Grainger County | 280.6 | 1.3× larger | Compare |
How big is Hancock County compared with U.S. states?
Hancock County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 4.7 times as much. Tennessee’s county land could hold about 185 areas the size of Hancock County.
Another way to picture it: the same land area would fill a square about 14.9 miles (24 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Hancock County?
Hancock County has more land than 257 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Hancock County at #2,989 nationally by total area, 24 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 0.5%, compared with a national county-equivalent median of 1.2% — 0.7 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Hancock County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2964 | Edwards County, Illinois | 222.4 | Compare |
| #2965 | Hancock County, Tennessee | 222.3 | This county |
| #2966 | Wolfe County, Kentucky | 222.2 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 36.516699, -83.239839. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 575,816,002 m²; AWATER: 2,988,717 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Hancock County?
Hancock County, Tennessee has 222.3 square miles (575.8 km²) of land and 1.154 square miles of water, for a total area of 223.5 square miles. It ranks #2965 of 3,222 U.S. county equivalents by land area.
Is Hancock County the largest county in Tennessee?
No. Hancock County ranks #87 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.
What counties border Hancock County?
Hancock County shares a land border with Hawkins County, Lee County, Virginia, Claiborne County, Scott County, Virginia, and Grainger County.
What is the population of Hancock County?
The Census Bureau estimates Hancock County had 7,075 residents on July 1, 2025, ranking #2,727 of 3,222 county equivalents. That is 32 people per square mile of land.
What is the county seat of Hancock County?
The county seat of Hancock County is Sneedville.
Is Hancock County part of a metropolitan area?
No. Hancock County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Hancock County?
5 ZIP Code Tabulation Areas have land in Hancock County, and 2 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Hancock County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 4.7 times as much land.
How many acres of land are in Hancock County?
The land measurement converts to approximately 142,287 acres. Including water, total area is approximately 143,026 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.