Lauderdale County area

Lauderdale County, Tennessee covers 502.9 square miles: 471.9 square miles of land and 31 square miles of water. Its county seat is Ripley. An estimated 24,617 people lived there in 2025.

Official Census measurements · GEOID 470972026 Gazetteer · retrieved September 27, 2026
Land area471.9 mi²
Water area31 mi²
Population (2025)24,617
People per mi²52

County outline

Generalized outline of Lauderdale County, Tennessee
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Lauderdale County is located

Lauderdale County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 93.8% of Lauderdale County’s measured area and water for 6.2%. Its combined area converts to 1,302.5 square kilometers or approximately 321,843 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land471.8951,222.202302,012.8
Water30.98580.25119,830.4
Total502.881,302.453321,843.2

How Lauderdale County compares

By original Census land area, Lauderdale County ranks #45 of 95 in Tennessee and #2183 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.082 times the Tennessee county-equivalent median of 436.1 square miles. It accounts for 1.1% of the combined county land area in the state.

See the complete Tennessee ranking · What counts as a county equivalent?

Population and density of Lauderdale County

The Census Bureau estimates that 24,617 people lived in Lauderdale County on July 1, 2025. That ranks #1,679 of 3,222 county equivalents nationally and #61 of 95 in Tennessee. Since the April 1, 2020 estimates base of 25,139, the population has declined by 522 (−2.1%), compared with +5.8% for Tennessee as a whole.

With 471.9 square miles of land, that is 52 people per square mile (20 per km²), placing Lauderdale County #1,504 nationally for density and #68 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 12 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate25,11524,86024,69024,50424,54024,617
Change—−255−170−186+36+77

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 Lauderdale County

4 incorporated places lie at least partly in Lauderdale County. Together they are home to 11,053 people (44.9%); the other 13,564 (55.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Ripley city, with 7,499 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Ripley cityCounty seat7,499−3.9%13.4
Halls town2,035−3.3%3.682
Henning town874−0.3%2.467
Gates town645−2.6%0.705

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Lauderdale County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Lauderdale 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

4 ZIP Code Tabulation Areas have land in Lauderdale County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

38037380403804138063

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 Lauderdale County

Lauderdale County shares a land border with 5 county equivalents, including 1 in Arkansas. It has more land than 2 of them. The largest neighbor is Mississippi County (902.1 mi²) and the smallest is Crockett County (265.5 mi²). Together with its neighbors, Lauderdale County forms a block of 3,140.6 mi² of land, of which it holds 15%.

Map of Lauderdale County and the 5 county equivalents that border it Mississippi County, Arkansas: 902.1 mi² landTipton County, Tennessee: 455.6 mi² landHaywood County, Tennessee: 533.1 mi² landDyer County, Tennessee: 512.4 mi² landCrockett County, Tennessee: 265.5 mi² land
Lauderdale County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. LauderdaleCompare
Mississippi CountyArkansas902.11.9× largerCompare
Haywood County533.11.1× largerCompare
Dyer County512.41.1× largerCompare
Tipton County455.6about the sameCompare
Crockett County265.51.8× smallerCompare

How big is Lauderdale County compared with U.S. states?

Lauderdale County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.2 times as much. Tennessee’s county land could hold about 87 areas the size of Lauderdale County.

Land area: Lauderdale County and the closest-sized states
Lauderdale County471.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 21.7 miles (35 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 Lauderdale County?

Lauderdale County has more land than 1,039 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Lauderdale County471.9 mi²
Tennessee median436.1 mi²
National median604.5 mi²

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 Lauderdale County at #2,171 nationally by total area, 12 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 6.2%, compared with a national county-equivalent median of 1.2% — 5 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 Lauderdale County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2182Monroe County, West Virginia472.8Compare
#2183Lauderdale County, Tennessee471.9This county
#2184Caldwell County, North Carolina471.9Compare

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 35.762951, -89.627732. 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: 1,222,203,218 m²; AWATER: 80,251,266 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Lauderdale County?

Lauderdale County, Tennessee has 471.9 square miles (1,222.2 km²) of land and 31 square miles of water, for a total area of 502.9 square miles. It ranks #2183 of 3,222 U.S. county equivalents by land area.

Is Lauderdale County the largest county in Tennessee?

No. Lauderdale County ranks #45 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.

What counties border Lauderdale County?

Lauderdale County shares a land border with Mississippi County, Arkansas, Tipton County, Haywood County, Dyer County, and Crockett County.

What is the population of Lauderdale County?

The Census Bureau estimates Lauderdale County had 24,617 residents on July 1, 2025, ranking #1,679 of 3,222 county equivalents. That is 52 people per square mile of land.

What is the county seat of Lauderdale County?

The county seat of Lauderdale County is Ripley.

What cities and towns are in Lauderdale County?

Lauderdale County has 4 incorporated places. The most populous are Ripley city, Halls town, Henning town, and Gates town; 13,564 residents live outside any incorporated place.

Is Lauderdale County part of a metropolitan area?

No. Lauderdale County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Lauderdale County?

4 ZIP Code Tabulation Areas have land in Lauderdale County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Lauderdale County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 2.2 times as much land.

How many acres of land are in Lauderdale County?

The land measurement converts to approximately 302,013 acres. Including water, total area is approximately 321,843 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.

Cite this county

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