County outline
Where Weakley County is located
Area breakdown
Land accounts for 99.8% of Weakley County’s measured area and water for 0.2%. Its combined area converts to 1,506.8 square kilometers or approximately 372,342 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 580.353 | 1,503.107 | 371,425.9 |
| Water | 1.431 | 3.706 | 915.8 |
| Total | 581.784 | 1,506.814 | 372,341.8 |
How Weakley County compares
By original Census land area, Weakley County ranks #17 of 95 in Tennessee and #1698 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.331 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 Weakley County
The Census Bureau estimates that 33,261 people lived in Weakley County on July 1, 2025. That ranks #1,402 of 3,222 county equivalents nationally and #46 of 95 in Tennessee. Since the April 1, 2020 estimates base of 32,908, the population has grown by 353 (+1.1%), compared with +5.8% for Tennessee as a whole.
With 580.4 square miles of land, that is 57 people per square mile (22 per km²), placing Weakley County #1,428 nationally for density and #62 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 | 32,908 | 32,905 | 33,052 | 33,167 | 33,216 | 33,261 |
| Change | — | −3 | +147 | +115 | +49 | +45 |
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 Weakley County
6 incorporated places lie at least partly in Weakley County. Together they are home to 18,461 people (55.5%); the other 14,800 (44.5%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Martin city, with 11,060 residents in the county. The county seat, Dresden town, has 2,911 residents. Among places with at least 1,000 residents in 2020, Martin city grew fastest since then (+2.1%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Martin city | 11,060 | +2.1% | 12.5 |
| Dresden townCounty seat | 2,911 | −2.6% | 5.941 |
| Greenfield city | 2,020 | −0.1% | 3.478 |
| Gleason town | 1,353 | −0.3% | 2.231 |
| Sharon town | 919 | −0.9% | 1.27 |
| McKenzie cityAlso in 2 other counties | 198 | −1% | 6.368 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Weakley County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Weakley County is a central county of the Martin, TN Micropolitan Statistical Area. Weakley County is the area’s only county equivalent, so the micro area has the same 580.4 square miles of land. By combined land it ranks #367 of 542 micropolitan areas, and #415 by population. It belongs to the Union City-Martin, TN Combined Statistical Area.
ZIP codes
12 ZIP Code Tabulation Areas have land in Weakley County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.
382013822438225382263822938230382373824138242382553825738261
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 Weakley County
Weakley 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 Gibson County (602.7 mi²) and the smallest is Hickman County (242.3 mi²). Together with its neighbors, Weakley County forms a block of 3,681.6 mi² of land, of which it holds 15.8%.
| Bordering county equivalent | Land mi² | Size vs. Weakley | Compare |
|---|---|---|---|
| Gibson County | 602.7 | about the same | Compare |
| Carroll County | 597.7 | about the same | Compare |
| Henry County | 561.9 | about the same | Compare |
| Graves CountyKentucky | 551.8 | 1.1× smaller | Compare |
| Obion County | 544.9 | 1.1× smaller | Compare |
| Hickman CountyKentucky | 242.3 | 2.4× smaller | Compare |
How big is Weakley County compared with U.S. states?
Weakley 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 71 areas the size of Weakley County.
Another way to picture it: the same land area would fill a square about 24.1 miles (38.8 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 Weakley County?
Weakley County has more land than 1,524 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 Weakley County at #1,820 nationally by total area, 122 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 0.2%, compared with a national county-equivalent median of 1.2% — 0.9 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 Weakley County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1697 | Wright County, Iowa | 580.4 | Compare |
| #1698 | Weakley County, Tennessee | 580.4 | This county |
| #1699 | Izard County, Arkansas | 580.2 | 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 36.303596, -88.721194. 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: 1,503,107,822 m²; AWATER: 3,707,114 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 Weakley County?
Weakley County, Tennessee has 580.4 square miles (1,503.1 km²) of land and 1.431 square miles of water, for a total area of 581.8 square miles. It ranks #1698 of 3,222 U.S. county equivalents by land area.
Is Weakley County the largest county in Tennessee?
No. Weakley County ranks #17 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.
What counties border Weakley County?
Weakley County shares a land border with Obion County, Henry County, Gibson County, Graves County, Kentucky, Carroll County, and Hickman County, Kentucky.
What is the population of Weakley County?
The Census Bureau estimates Weakley County had 33,261 residents on July 1, 2025, ranking #1,402 of 3,222 county equivalents. That is 57 people per square mile of land.
What is the county seat of Weakley County?
The county seat of Weakley County is Dresden.
What cities and towns are in Weakley County?
Weakley County has 6 incorporated places. The most populous five are Martin city, Dresden town, Greenfield city, Gleason town, and Sharon town; 14,800 residents live outside any incorporated place.
Is Weakley County part of a metropolitan area?
Yes. It is a central county of the Martin, TN Micropolitan Statistical Area.
How many ZIP codes are in Weakley County?
12 ZIP Code Tabulation Areas have land in Weakley 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 Weakley 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 Weakley County?
The land measurement converts to approximately 371,426 acres. Including water, total area is approximately 372,342 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.