Rush County area

Rush County, Indiana covers 408.5 square miles: 408.1 square miles of land and 0.324 square miles of water. Its county seat is Rushville. An estimated 16,767 people lived there in 2025.

Official Census measurements · GEOID 181392026 Gazetteer · retrieved September 27, 2026
Land area408.1 mi²
Water area0.324 mi²
Population (2025)16,767
People per mi²41

County outline

Generalized outline of Rush 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 Rush County is located

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

Area breakdown

Land accounts for 99.9% of Rush County’s measured area and water for 0.1%. Its combined area converts to 1,057.9 square kilometers or approximately 261,415 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land408.1371,057.07261,207.7
Water0.3240.839207.4
Total408.4611,057.909261,415

How Rush County compares

By original Census land area, Rush County ranks #36 of 92 in Indiana and #2477 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.029 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 Rush County

The Census Bureau estimates that 16,767 people lived in Rush County on July 1, 2025. That ranks #2,053 of 3,222 county equivalents nationally and #77 of 92 in Indiana. Since the April 1, 2020 estimates base of 16,750, the population has grown by 17 (+0.1%), compared with +2.8% for Indiana as a whole.

With 408.1 square miles of land, that is 41 people per square mile (16 per km²), placing Rush County #1,727 nationally for density and #84 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 16 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate16,76516,68216,64916,80516,75216,767
Change—−83−33+156−53+15

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 Rush County

3 incorporated places lie at least partly in Rush County. Together they are home to 7,258 people (43.3%); the other 9,509 (56.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Rushville city, with 6,171 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Rushville cityCounty seat6,171−0.2%3.385
Carthage town920+0.2%0.551
Glenwood townAlso in 1 other county1670%0.187

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

Metropolitan area

Rush 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

16 ZIP Code Tabulation Areas have land in Rush County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.

46104461154612746133461404614646148461504615546156461614617346182472404727247352

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 Rush County

Rush County shares a land border with 6 county equivalents. It has more land than 5 of them. The largest neighbor is Shelby County (411.1 mi²) and the smallest is Fayette County (215 mi²). Together with its neighbors, Rush County forms a block of 2,489.1 mi² of land, of which it holds 16.4%.

Map of Rush County and the 6 county equivalents that border it Fayette County, Indiana: 215 mi² landDecatur County, Indiana: 372.6 mi² landShelby County, Indiana: 411.1 mi² landHenry County, Indiana: 391.9 mi² landHancock County, Indiana: 306 mi² landFranklin County, Indiana: 384.4 mi² land
Rush 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. RushCompare
Shelby County411.1about the sameCompare
Henry County391.9about the sameCompare
Franklin County384.41.1× smallerCompare
Decatur County372.61.1× smallerCompare
Hancock County3061.3× smallerCompare
Fayette County2151.9× smallerCompare

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

Rush County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.5 times as much. Indiana’s county land could hold about 88 areas the size of Rush County.

Land area: Rush County and the closest-sized states
Rush County408.1 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 20.2 miles (32.5 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 Rush County?

Rush County has more land than 745 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Rush County408.1 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 Rush County at #2,556 nationally by total area, 79 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 0.1%, compared with a national county-equivalent median of 1.2% — 1.1 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 Rush County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2476Sandusky County, Ohio408.2Compare
#2477Rush County, Indiana408.1This county
#2478Jefferson County, Ohio408.1Compare

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 39.622365, -85.466536. 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: 1,057,069,256 m²; AWATER: 838,340 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 Rush County?

Rush County, Indiana has 408.1 square miles (1,057.1 km²) of land and 0.324 square miles of water, for a total area of 408.5 square miles. It ranks #2477 of 3,222 U.S. county equivalents by land area.

Is Rush County the largest county in Indiana?

No. Rush County ranks #36 of 92 in Indiana by land area. The largest is Allen County, with 657.1 square miles of land.

What counties border Rush County?

Rush County shares a land border with Fayette County, Decatur County, Shelby County, Henry County, Hancock County, and Franklin County.

What is the population of Rush County?

The Census Bureau estimates Rush County had 16,767 residents on July 1, 2025, ranking #2,053 of 3,222 county equivalents. That is 41 people per square mile of land.

What is the county seat of Rush County?

The county seat of Rush County is Rushville.

What cities and towns are in Rush County?

Rush County has 3 incorporated places. The most populous are Rushville city, Carthage town, and Glenwood town; 9,509 residents live outside any incorporated place.

Is Rush County part of a metropolitan area?

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

How many ZIP codes are in Rush County?

16 ZIP Code Tabulation Areas have land in Rush County, and 9 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.5 times as much land.

How many acres of land are in Rush County?

The land measurement converts to approximately 261,208 acres. Including water, total area is approximately 261,415 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

Download the complete CSV or JSON dataset