Leake County area

Leake County, Mississippi covers 585.4 square miles: 582.9 square miles of land and 2.462 square miles of water. Its county seat is Carthage. An estimated 21,662 people lived there in 2025.

Official Census measurements · GEOID 280792026 Gazetteer · retrieved September 27, 2026
Land area582.9 mi²
Water area2.462 mi²
Population (2025)21,662
People per mi²37

County outline

Generalized outline of Leake County, Mississippi
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 Leake County is located

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

Area breakdown

Land accounts for 99.6% of Leake County’s measured area and water for 0.4%. Its combined area converts to 1,516.1 square kilometers or approximately 374,630 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land582.8971,509.696373,054.1
Water2.4626.3771,575.7
Total585.3591,516.073374,629.8

How Leake County compares

By original Census land area, Leake County ranks #38 of 82 in Mississippi and #1689 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.028 times the Mississippi county-equivalent median of 567 square miles. It accounts for 1.2% of the combined county land area in the state.

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

Population and density of Leake County

The Census Bureau estimates that 21,662 people lived in Leake County on July 1, 2025. That ranks #1,792 of 3,222 county equivalents nationally and #41 of 82 in Mississippi. Since the April 1, 2020 estimates base of 21,273, the population has grown by 389 (+1.8%), compared with −0.2% for Mississippi as a whole.

With 582.9 square miles of land, that is 37 people per square mile (14 per km²), placing Leake County #1,823 nationally for density and #43 in Mississippi. The median county equivalent has 47 people per square mile; the Mississippi median is 43. Put another way, there are about 17 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate21,24921,27521,26021,32221,59221,662
Change—+26−15+62+270+70

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 Leake County

4 incorporated places lie at least partly in Leake County. Together they are home to 5,533 people (25.5%); the other 16,129 (74.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Carthage city, with 4,864 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Carthage cityCounty seat4,864−0.7%9.293
Walnut Grove town511+0.6%1.616
Lena town1580%1.661
Sebastopol townAlso in 1 other county0—1.567

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

Metropolitan area

Leake 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 Leake County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.

39051390903909439160391893935039365

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 Leake County

Leake County shares a land border with 4 county equivalents. It has more land than 1 of them. The largest neighbor is Attala County (735 mi²) and the smallest is Neshoba County (570.1 mi²). Together with its neighbors, Leake County forms a block of 3,211.4 mi² of land, of which it holds 18.2%.

Map of Leake County and the 4 county equivalents that border it Scott County, Mississippi: 609.2 mi² landAttala County, Mississippi: 735 mi² landNeshoba County, Mississippi: 570.1 mi² landMadison County, Mississippi: 714.2 mi² land
Leake 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. LeakeCompare
Attala County7351.3× largerCompare
Madison County714.21.2× largerCompare
Scott County609.2about the sameCompare
Neshoba County570.1about the sameCompare

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

Leake 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. Mississippi’s county land could hold about 81 areas the size of Leake County.

Land area: Leake County and the closest-sized states
Leake County582.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 24.1 miles (38.9 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 Leake County?

Leake County has more land than 1,533 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Leake County582.9 mi²
Mississippi median567 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 Leake County at #1,802 nationally by total area, 113 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 0.4%, 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 Leake County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1688Williamson County, Tennessee582.9Compare
#1689Leake County, Mississippi582.9This county
#1690Hardy County, West Virginia582.3Compare

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 32.760630, -89.522250. 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: 1,509,697,181 m²; AWATER: 6,376,466 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 Leake County?

Leake County, Mississippi has 582.9 square miles (1,509.7 km²) of land and 2.462 square miles of water, for a total area of 585.4 square miles. It ranks #1689 of 3,222 U.S. county equivalents by land area.

Is Leake County the largest county in Mississippi?

No. Leake County ranks #38 of 82 in Mississippi by land area. The largest is Yazoo County, with 922.3 square miles of land.

What counties border Leake County?

Leake County shares a land border with Scott County, Attala County, Neshoba County, and Madison County.

What is the population of Leake County?

The Census Bureau estimates Leake County had 21,662 residents on July 1, 2025, ranking #1,792 of 3,222 county equivalents. That is 37 people per square mile of land.

What is the county seat of Leake County?

The county seat of Leake County is Carthage.

What cities and towns are in Leake County?

Leake County has 4 incorporated places. The most populous are Carthage city, Walnut Grove town, Lena town, and Sebastopol town; 16,129 residents live outside any incorporated place.

Is Leake County part of a metropolitan area?

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

How many ZIP codes are in Leake County?

7 ZIP Code Tabulation Areas have land in Leake 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 Leake 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 Leake County?

The land measurement converts to approximately 373,054 acres. Including water, total area is approximately 374,630 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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