Wayne County area

Wayne County, Indiana covers 404.3 square miles: 401.8 square miles of land and 2.588 square miles of water. Its county seat is Richmond. An estimated 66,169 people lived there in 2025.

Official Census measurements · GEOID 181772026 Gazetteer · retrieved September 27, 2026
Land area401.8 mi²
Water area2.588 mi²
Population (2025)66,169
People per mi²165

County outline

Generalized outline of Wayne County, Indiana
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 99.4% of Wayne County’s measured area and water for 0.6%. Its combined area converts to 1,047.2 square kilometers or approximately 258,780 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land401.7551,040.541257,123.2
Water2.5886.7031,656.3
Total404.3431,047.244258,779.5

How Wayne County compares

By original Census land area, Wayne County ranks #44 of 92 in Indiana and #2518 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.013 times the Indiana county-equivalent median of 396.4 square miles. It accounts for 1.1% of the combined county land area in the state.

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

Population and density of Wayne County

The Census Bureau estimates that 66,169 people lived in Wayne County on July 1, 2025. That ranks #844 of 3,222 county equivalents nationally and #27 of 92 in Indiana. Since the April 1, 2020 estimates base of 66,552, the population has declined by 383 (−0.6%), compared with +2.8% for Indiana as a whole.

With 401.8 square miles of land, that is 165 people per square mile (64 per km²), placing Wayne County #727 nationally for density and #26 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 3.9 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate66,51766,42766,23866,12966,33666,169
Change—−90−189−109+207−167

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

14 incorporated places lie at least partly in Wayne County. Together they are home to 44,756 people (67.6%); the other 21,413 (32.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Richmond city, with 35,376 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Richmond cityCounty seat35,376−1%24.3
Centerville town2,742−0.3%3.504
Cambridge City town1,730−1.4%1.008
Hagerstown town1,673−0.8%1.318
Fountain City town697−1.1%0.264
Dublin town677−1%0.516
Milton town441+0.2%0.27
Greens Fork town335+1.2%0.14
Spring Grove town335+0.3%0.304
East Germantown town258−1.5%0.117
Boston town149+0.7%0.217
Economy town146+0.7%0.09
Mount Auburn town127+0.8%0.19
Whitewater town70−1.4%0.079

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 a central county of the Richmond, IN Micropolitan Statistical Area. Wayne County is the area’s only county equivalent, so the micro area has the same 401.8 square miles of land. By combined land it ranks #490 of 542 micropolitan areas, and #134 by population. It belongs to the Richmond-Connersville, IN Combined Statistical Area.

ZIP codes

19 ZIP Code Tabulation Areas have land in Wayne County; 13 of them have most of their land inside the county, and the others mainly cover neighboring areas.

47324473254732747330473314733547339473414734547346473544735547357473584736047370473744739247393

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 6 county equivalents, including 2 in Ohio. It has more land than 3 of them. The largest neighbor is Darke County (598.1 mi²) and the smallest is Union County (161.2 mi²). Together with its neighbors, Wayne County forms a block of 2,644.6 mi² of land, of which it holds 15.2%.

Map of Wayne County and the 6 county equivalents that border it Randolph County, Indiana: 452.4 mi² landHenry County, Indiana: 391.9 mi² landFayette County, Indiana: 215 mi² landPreble County, Ohio: 424.2 mi² landUnion County, Indiana: 161.2 mi² landDarke County, Ohio: 598.1 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
Darke CountyOhio598.11.5× largerCompare
Randolph County452.41.1× largerCompare
Preble CountyOhio424.21.1× largerCompare
Henry County391.9about the sameCompare
Fayette County2151.9× smallerCompare
Union County161.22.5× 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 2.6 times as much. Indiana’s county land could hold about 89 areas the size of Wayne County.

Land area: Wayne County and the closest-sized states
Wayne County401.8 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 20 miles (32.3 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 704 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Wayne County401.8 mi²
Indiana median396.4 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 #2,583 nationally by total area, 65 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 0.6%, compared with a national county-equivalent median of 1.2% — 0.5 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
#2517Newton County, Indiana401.8Compare
#2518Wayne County, Indiana401.8This county
#2519Warren County, Ohio401.4Compare

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 39.863091, -85.006735. 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: 1,040,539,363 m²; AWATER: 6,701,880 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, Indiana has 401.8 square miles (1,040.5 km²) of land and 2.588 square miles of water, for a total area of 404.3 square miles. It ranks #2518 of 3,222 U.S. county equivalents by land area.

Is Wayne County the largest county in Indiana?

No. Wayne County ranks #44 of 92 in Indiana by land area. The largest is Allen County, with 657.1 square miles of land.

What counties border Wayne County?

Wayne County shares a land border with Randolph County, Henry County, Fayette County, Preble County, Ohio, Union County, and Darke County, Ohio.

What is the population of Wayne County?

The Census Bureau estimates Wayne County had 66,169 residents on July 1, 2025, ranking #844 of 3,222 county equivalents. That is 165 people per square mile of land.

What is the county seat of Wayne County?

The county seat of Wayne County is Richmond.

What cities and towns are in Wayne County?

Wayne County has 14 incorporated places. The most populous five are Richmond city, Centerville town, Cambridge City town, Hagerstown town, and Fountain City town; 21,413 residents live outside any incorporated place.

Is Wayne County part of a metropolitan area?

Yes. It is a central county of the Richmond, IN Micropolitan Statistical Area.

How many ZIP codes are in Wayne County?

19 ZIP Code Tabulation Areas have land in Wayne County, and 13 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 2.6 times as much land.

How many acres of land are in Wayne County?

The land measurement converts to approximately 257,123 acres. Including water, total area is approximately 258,780 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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