County outline
Where Lewis County is located
Area breakdown
Land accounts for 99.9% of Lewis County’s measured area and water for 0.1%. Its combined area converts to 731.6 square kilometers or approximately 180,792 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 282.092 | 730.615 | 180,538.9 |
| Water | 0.396 | 1.026 | 253.4 |
| Total | 282.488 | 731.641 | 180,792.3 |
How Lewis County compares
By original Census land area, Lewis County ranks #77 of 95 in Tennessee and #2843 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.647 times the Tennessee county-equivalent median of 436.1 square miles. It accounts for 0.7% of the combined county land area in the state.
See the complete Tennessee ranking · What counts as a county equivalent?
Population and density of Lewis County
The Census Bureau estimates that 13,487 people lived in Lewis County on July 1, 2025. That ranks #2,262 of 3,222 county equivalents nationally and #84 of 95 in Tennessee. Since the April 1, 2020 estimates base of 12,586, the population has grown by 901 (+7.2%), compared with +5.8% for Tennessee as a whole.
With 282.1 square miles of land, that is 48 people per square mile (18 per km²), placing Lewis County #1,598 nationally for density and #72 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 13 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 12,609 | 12,854 | 12,935 | 13,126 | 13,354 | 13,487 |
| Change | — | +245 | +81 | +191 | +228 | +133 |
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 Lewis County
1 incorporated place lies at least partly in Lewis County. Together they are home to 4,151 people (30.8%); the other 9,336 (69.2%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Hohenwald city, with 4,151 residents in the county.
Metropolitan area
Lewis 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
7 ZIP Code Tabulation Areas have land in Lewis County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.
37096384613846238464384743848338485
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 Lewis County
Lewis County shares a land border with 5 county equivalents. Each of them has more land than Lewis County. The largest neighbor is Wayne County (734.1 mi²) and the smallest is Perry County (414.8 mi²). Together with its neighbors, Lewis County forms a block of 3,273.7 mi² of land, of which it holds 8.6%.
| Bordering county equivalent | Land mi² | Size vs. Lewis | Compare |
|---|---|---|---|
| Wayne County | 734.1 | 2.6× larger | Compare |
| Lawrence County | 617.1 | 2.2× larger | Compare |
| Maury County | 613.1 | 2.2× larger | Compare |
| Hickman County | 612.5 | 2.2× larger | Compare |
| Perry County | 414.8 | 1.5× larger | Compare |
How big is Lewis County compared with U.S. states?
Lewis County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 3.7 times as much. Tennessee’s county land could hold about 146 areas the size of Lewis County.
Another way to picture it: the same land area would fill a square about 16.8 miles (27 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 Lewis County?
Lewis County has more land than 379 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 Lewis County at #2,886 nationally by total area, 43 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 0.1%, compared with a national county-equivalent median of 1.2% — 1 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 Lewis County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2842 | Haralson County, Georgia | 282.2 | Compare |
| #2843 | Lewis County, Tennessee | 282.1 | This county |
| #2844 | Lumpkin County, Georgia | 281.4 | 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 35.523245, -87.496984. 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: 730,614,743 m²; AWATER: 1,024,940 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 Lewis County?
Lewis County, Tennessee has 282.1 square miles (730.6 km²) of land and 0.396 square miles of water, for a total area of 282.5 square miles. It ranks #2843 of 3,222 U.S. county equivalents by land area.
Is Lewis County the largest county in Tennessee?
No. Lewis County ranks #77 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.
What counties border Lewis County?
Lewis County shares a land border with Hickman County, Lawrence County, Maury County, Wayne County, and Perry County.
What is the population of Lewis County?
The Census Bureau estimates Lewis County had 13,487 residents on July 1, 2025, ranking #2,262 of 3,222 county equivalents. That is 48 people per square mile of land.
What is the county seat of Lewis County?
The county seat of Lewis County is Hohenwald.
Is Lewis County part of a metropolitan area?
No. Lewis County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Lewis County?
7 ZIP Code Tabulation Areas have land in Lewis 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 Lewis County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 3.7 times as much land.
How many acres of land are in Lewis County?
The land measurement converts to approximately 180,539 acres. Including water, total area is approximately 180,792 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.