County outline
Where Henry County is located
Area breakdown
Land accounts for 94.7% of Henry County’s measured area and water for 5.3%. Its combined area converts to 1,536.9 square kilometers or approximately 379,777 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 561.902 | 1,455.319 | 359,617.3 |
| Water | 31.499 | 81.582 | 20,159.4 |
| Total | 593.401 | 1,536.902 | 379,776.6 |
How Henry County compares
By original Census land area, Henry County ranks #22 of 95 in Tennessee and #1842 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.288 times the Tennessee county-equivalent median of 436.1 square miles. It accounts for 1.4% of the combined county land area in the state.
See the complete Tennessee ranking · What counts as a county equivalent?
Population and density of Henry County
The Census Bureau estimates that 32,896 people lived in Henry County on July 1, 2025. That ranks #1,414 of 3,222 county equivalents nationally and #48 of 95 in Tennessee. Since the April 1, 2020 estimates base of 32,197, the population has grown by 699 (+2.2%), compared with +5.8% for Tennessee as a whole.
With 561.9 square miles of land, that is 59 people per square mile (23 per km²), placing Henry County #1,407 nationally for density and #60 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 11 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 32,149 | 32,252 | 32,328 | 32,504 | 32,920 | 32,896 |
| Change | — | +103 | +76 | +176 | +416 | −24 |
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 Henry County
5 incorporated places lie at least partly in Henry County. Together they are home to 11,778 people (35.8%); the other 21,118 (64.2%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Paris city, with 10,468 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Paris cityCounty seat | 10,468 | +1.6% | 12.9 |
| Puryear city | 719 | +1.8% | 0.947 |
| Henry town | 457 | +3.2% | 1.285 |
| McKenzie cityAlso in 2 other counties | 68 | 0% | 6.368 |
| Cottage Grove town | 66 | 0% | 0.171 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Henry County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Henry County is a central county of the Paris, TN Micropolitan Statistical Area. Henry County is the area’s only county equivalent, so the micro area has the same 561.9 square miles of land. By combined land it ranks #387 of 542 micropolitan areas, and #419 by population.
ZIP codes
9 ZIP Code Tabulation Areas have land in Henry County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.
382013822238224382293823138236382423825138256
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 Henry County
Henry County shares a land border with 6 county equivalents, including 2 in Kentucky. It has more land than 4 of them. The largest neighbor is Carroll County (597.7 mi²) and the smallest is Calloway County (384.9 mi²). Together with its neighbors, Henry County forms a block of 3,530.6 mi² of land, of which it holds 15.9%.
| Bordering county equivalent | Land mi² | Size vs. Henry | Compare |
|---|---|---|---|
| Carroll County | 597.7 | 1.1× larger | Compare |
| Weakley County | 580.4 | about the same | Compare |
| Graves CountyKentucky | 551.8 | about the same | Compare |
| Stewart County | 459.8 | 1.2× smaller | Compare |
| Benton County | 394.3 | 1.4× smaller | Compare |
| Calloway CountyKentucky | 384.9 | 1.5× smaller | Compare |
How big is Henry County compared with U.S. states?
Henry County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Tennessee’s county land could hold about 73 areas the size of Henry County.
Another way to picture it: the same land area would fill a square about 23.7 miles (38.1 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 Henry County?
Henry County has more land than 1,380 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 Henry County at #1,764 nationally by total area, 78 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.
Its water share is 5.3%, compared with a national county-equivalent median of 1.2% — 4.1 percentage points higher. 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 Henry County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1841 | Wagoner County, Oklahoma | 561.9 | Compare |
| #1842 | Henry County, Tennessee | 561.9 | This county |
| #1843 | Mercer County, Illinois | 561.2 | 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 36.325118, -88.299850. 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: 1,455,320,362 m²; AWATER: 81,582,235 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 Henry County?
Henry County, Tennessee has 561.9 square miles (1,455.3 km²) of land and 31.5 square miles of water, for a total area of 593.4 square miles. It ranks #1842 of 3,222 U.S. county equivalents by land area.
Is Henry County the largest county in Tennessee?
No. Henry County ranks #22 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.
What counties border Henry County?
Henry County shares a land border with Weakley County, Calloway County, Kentucky, Benton County, Carroll County, Stewart County, and Graves County, Kentucky.
What is the population of Henry County?
The Census Bureau estimates Henry County had 32,896 residents on July 1, 2025, ranking #1,414 of 3,222 county equivalents. That is 59 people per square mile of land.
What is the county seat of Henry County?
The county seat of Henry County is Paris.
What cities and towns are in Henry County?
Henry County has 5 incorporated places. The most populous are Paris city, Puryear city, Henry town, McKenzie city, and Cottage Grove town; 21,118 residents live outside any incorporated place.
Is Henry County part of a metropolitan area?
Yes. It is a central county of the Paris, TN Micropolitan Statistical Area.
How many ZIP codes are in Henry County?
9 ZIP Code Tabulation Areas have land in Henry County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Henry County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.8 times as much land.
How many acres of land are in Henry County?
The land measurement converts to approximately 359,617 acres. Including water, total area is approximately 379,777 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.