Attala County area

Attala County, Mississippi covers 736.7 square miles: 735 square miles of land and 1.709 square miles of water. Its county seat is Kosciusko. An estimated 17,100 people lived there in 2025.

Official Census measurements · GEOID 280072026 Gazetteer · retrieved September 27, 2026
Land area735 mi²
Water area1.709 mi²
Population (2025)17,100
People per mi²23

County outline

Generalized outline of Attala 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 Attala County is located

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

Area breakdown

Land accounts for 99.8% of Attala County’s measured area and water for 0.2%. Its combined area converts to 1,908 square kilometers or approximately 471,466 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land734.9571,903.53470,372.5
Water1.7094.4261,093.8
Total736.6661,907.956471,466.2

How Attala County compares

By original Census land area, Attala County ranks #11 of 82 in Mississippi and #1204 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.296 times the Mississippi county-equivalent median of 567 square miles. It accounts for 1.6% of the combined county land area in the state.

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

Population and density of Attala County

The Census Bureau estimates that 17,100 people lived in Attala County on July 1, 2025. That ranks #2,034 of 3,222 county equivalents nationally and #52 of 82 in Mississippi. Since the April 1, 2020 estimates base of 17,887, the population has declined by 787 (−4.4%), compared with −0.2% for Mississippi as a whole.

With 735 square miles of land, that is 23 people per square mile (9 per km²), placing Attala County #2,197 nationally for density and #59 in Mississippi. The median county equivalent has 47 people per square mile; the Mississippi median is 43. Put another way, there are about 28 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate17,82217,72117,53517,35017,24317,100
Change—−101−186−185−107−143

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 Attala County

4 incorporated places lie at least partly in Attala County. Together they are home to 7,277 people (42.6%); the other 9,823 (57.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Kosciusko city, with 6,722 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Kosciusko cityCounty seat6,722−5.6%7.541
Ethel town324−5.5%0.584
Sallis town1310%0.411
McCool town100−4.8%0.939

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

Metropolitan area

Attala 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

11 ZIP Code Tabulation Areas have land in Attala County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

3905139067390793909039108391603917639192397453974739772

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 Attala County

Attala County shares a land border with 7 county equivalents. It has more land than 6 of them. The largest neighbor is Holmes County (756.7 mi²) and the smallest is Montgomery County (407 mi²). Together with its neighbors, Attala County forms a block of 4,849.6 mi² of land, of which it holds 15.2%.

Map of Attala County and the 7 county equivalents that border it Holmes County, Mississippi: 756.7 mi² landLeake County, Mississippi: 582.9 mi² landChoctaw County, Mississippi: 418.2 mi² landMadison County, Mississippi: 714.2 mi² landWinston County, Mississippi: 607.3 mi² landMontgomery County, Mississippi: 407 mi² landCarroll County, Mississippi: 628.4 mi² land
Attala 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. AttalaCompare
Holmes County756.7about the sameCompare
Madison County714.2about the sameCompare
Carroll County628.41.2× smallerCompare
Winston County607.31.2× smallerCompare
Leake County582.91.3× smallerCompare
Choctaw County418.21.8× smallerCompare
Montgomery County4071.8× smallerCompare

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

Attala County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Mississippi’s county land could hold about 64 areas the size of Attala County.

Land area: Attala County and the closest-sized states
Attala County735 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 27.1 miles (43.6 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 Attala County?

Attala County has more land than 2,018 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Attala County735 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 Attala County at #1,308 nationally by total area, 104 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 Attala County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1203Pratt County, Kansas735Compare
#1204Attala County, Mississippi735This county
#1205Cullman County, Alabama734.7Compare

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 33.090468, -89.588622. 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: 1,903,529,280 m²; AWATER: 4,425,859 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 Attala County?

Attala County, Mississippi has 735 square miles (1,903.5 km²) of land and 1.709 square miles of water, for a total area of 736.7 square miles. It ranks #1204 of 3,222 U.S. county equivalents by land area.

Is Attala County the largest county in Mississippi?

No. Attala County ranks #11 of 82 in Mississippi by land area. The largest is Yazoo County, with 922.3 square miles of land.

What counties border Attala County?

Attala County shares a land border with Holmes County, Leake County, Choctaw County, Madison County, Winston County, Montgomery County, and Carroll County.

What is the population of Attala County?

The Census Bureau estimates Attala County had 17,100 residents on July 1, 2025, ranking #2,034 of 3,222 county equivalents. That is 23 people per square mile of land.

What is the county seat of Attala County?

The county seat of Attala County is Kosciusko.

What cities and towns are in Attala County?

Attala County has 4 incorporated places. The most populous are Kosciusko city, Ethel town, Sallis town, and McCool town; 9,823 residents live outside any incorporated place.

Is Attala County part of a metropolitan area?

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

How many ZIP codes are in Attala County?

11 ZIP Code Tabulation Areas have land in Attala County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.

How many acres of land are in Attala County?

The land measurement converts to approximately 470,372 acres. Including water, total area is approximately 471,466 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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