Wayne County area

Wayne County, Mississippi covers 813.5 square miles: 810.7 square miles of land and 2.801 square miles of water. Its county seat is Waynesboro. An estimated 19,807 people lived there in 2025.

Official Census measurements · GEOID 281532026 Gazetteer · retrieved September 27, 2026
Land area810.7 mi²
Water area2.801 mi²
Population (2025)19,807
People per mi²24

County outline

Generalized outline of Wayne 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 Wayne County is located

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

Area breakdown

Land accounts for 99.7% of Wayne County’s measured area and water for 0.3%. Its combined area converts to 2,107 square kilometers or approximately 520,651 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land810.7162,099.745518,858.2
Water2.8017.2551,792.6
Total813.5172,106.999520,650.9

How Wayne County compares

By original Census land area, Wayne County ranks #5 of 82 in Mississippi and #1047 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.43 times the Mississippi county-equivalent median of 567 square miles. It accounts for 1.7% of the combined county land area in the state.

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

Population and density of Wayne County

The Census Bureau estimates that 19,807 people lived in Wayne County on July 1, 2025. That ranks #1,895 of 3,222 county equivalents nationally and #46 of 82 in Mississippi. Since the April 1, 2020 estimates base of 19,779, the population has grown by 28 (+0.1%), compared with −0.2% for Mississippi as a whole.

With 810.7 square miles of land, that is 24 people per square mile (9.4 per km²), placing Wayne County #2,160 nationally for density and #56 in Mississippi. The median county equivalent has 47 people per square mile; the Mississippi median is 43. Put another way, there are about 26 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate19,80919,67819,60719,74519,79919,807
Change—−131−71+138+54+8

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 Wayne County

2 incorporated places lie at least partly in Wayne County. Together they are home to 4,715 people (23.8%); the other 15,092 (76.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Waynesboro city, with 4,495 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Waynesboro cityCounty seat4,495−1.6%12.7
State Line townAlso in 1 other county220+0.5%4.264

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

Metropolitan area

Wayne 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

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

3932239324393603936239367394393944339476

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 Wayne County

Wayne County shares a land border with 7 county equivalents, including 2 in Alabama. It has more land than 5 of them. The largest neighbor is Washington County (1,080.3 mi²) and the smallest is Perry County (647.3 mi²). Together with its neighbors, Wayne County forms a block of 6,227.2 mi² of land, of which it holds 13%.

Map of Wayne County and the 7 county equivalents that border it Jones County, Mississippi: 694.8 mi² landClarke County, Mississippi: 691.6 mi² landGreene County, Mississippi: 712.7 mi² landWashington County, Alabama: 1,080.3 mi² landChoctaw County, Alabama: 913.5 mi² landPerry County, Mississippi: 647.3 mi² landJasper County, Mississippi: 676.3 mi² land
Wayne 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. WayneCompare
Washington CountyAlabama1,080.31.3× largerCompare
Choctaw CountyAlabama913.51.1× largerCompare
Greene County712.71.1× smallerCompare
Jones County694.81.2× smallerCompare
Clarke County691.61.2× smallerCompare
Jasper County676.31.2× smallerCompare
Perry County647.31.3× smallerCompare

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

Wayne County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.3 times as much. Mississippi’s county land could hold about 58 areas the size of Wayne County.

Land area: Wayne County and the closest-sized states
Wayne County810.7 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 28.5 miles (45.8 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 Wayne County?

Wayne County has more land than 2,175 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Wayne County810.7 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 Wayne County at #1,150 nationally by total area, 103 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 0.3%, compared with a national county-equivalent median of 1.2% — 0.8 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 Wayne County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1046Pope County, Arkansas811Compare
#1047Wayne County, Mississippi810.7This county
#1048Muskogee County, Oklahoma810.7Compare

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 31.642503, -88.678214. 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: 2,099,745,613 m²; AWATER: 7,255,476 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 Wayne County?

Wayne County, Mississippi has 810.7 square miles (2,099.7 km²) of land and 2.801 square miles of water, for a total area of 813.5 square miles. It ranks #1047 of 3,222 U.S. county equivalents by land area.

Is Wayne County the largest county in Mississippi?

No. Wayne County ranks #5 of 82 in Mississippi by land area. The largest is Yazoo County, with 922.3 square miles of land.

What counties border Wayne County?

Wayne County shares a land border with Jones County, Clarke County, Greene County, Washington County, Alabama, Choctaw County, Alabama, Perry County, and Jasper County.

What is the population of Wayne County?

The Census Bureau estimates Wayne County had 19,807 residents on July 1, 2025, ranking #1,895 of 3,222 county equivalents. That is 24 people per square mile of land.

What is the county seat of Wayne County?

The county seat of Wayne County is Waynesboro.

What cities and towns are in Wayne County?

Wayne County has 2 incorporated places. The most populous are Waynesboro city and State Line town; 15,092 residents live outside any incorporated place.

Is Wayne County part of a metropolitan area?

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

How many ZIP codes are in Wayne County?

8 ZIP Code Tabulation Areas have land in Wayne 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 Wayne County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.3 times as much land.

How many acres of land are in Wayne County?

The land measurement converts to approximately 518,858 acres. Including water, total area is approximately 520,651 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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