Whitley County area

Whitley County, Indiana covers 338 square miles: 335.6 square miles of land and 2.345 square miles of water. Its county seat is Columbia City. An estimated 35,046 people lived there in 2025.

Official Census measurements · GEOID 181832026 Gazetteer · retrieved September 27, 2026
Land area335.6 mi²
Water area2.345 mi²
Population (2025)35,046
People per mi²104

County outline

Generalized outline of Whitley 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 Whitley County is located

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

Area breakdown

Land accounts for 99.3% of Whitley County’s measured area and water for 0.7%. Its combined area converts to 875.3 square kilometers or approximately 216,299 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land335.622869.257214,798.1
Water2.3456.0741,500.8
Total337.967875.331216,298.9

How Whitley County compares

By original Census land area, Whitley County ranks #73 of 92 in Indiana and #2725 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.847 times the Indiana county-equivalent median of 396.4 square miles. It accounts for 0.9% of the combined county land area in the state.

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

Population and density of Whitley County

The Census Bureau estimates that 35,046 people lived in Whitley County on July 1, 2025. That ranks #1,343 of 3,222 county equivalents nationally and #45 of 92 in Indiana. Since the April 1, 2020 estimates base of 34,185, the population has grown by 861 (+2.5%), compared with +2.8% for Indiana as a whole.

With 335.6 square miles of land, that is 104 people per square mile (40 per km²), placing Whitley County #955 nationally for density and #39 in Indiana. The median county equivalent has 47 people per square mile; the Indiana median is 88. Put another way, there are about 6.1 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate34,33734,50534,63034,83234,93235,046
Change—+168+125+202+100+114

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 Whitley County

4 incorporated places lie at least partly in Whitley County. Together they are home to 14,233 people (40.6%); the other 20,813 (59.4%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Columbia City city, with 10,256 residents in the county. Among places with at least 1,000 residents in 2020, Columbia City city grew fastest since then (+3.5%).

Incorporated placePopulation 2025Since 2020Land mi²
Columbia City cityCounty seat10,256+3.5%6.204
Churubusco town1,853−0.6%1.192
South Whitley town1,850+1.8%0.874
Larwill town274+1.1%0.182

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

Metropolitan area

Whitley County is an outlying county of the Fort Wayne, IN Metropolitan Statistical Area. Its 3 county equivalents have 466,258 residents on 1,360.9 square miles of land; Whitley County accounts for 24.7% of the land and 7.5% of the residents. By combined land it ranks #237 of 393 metropolitan areas, and #118 by population. It belongs to the Fort Wayne-Huntington-Auburn, IN Combined Statistical Area.

County equivalentPopulation 2025Land mi²
Allen County402,329657.1
Whitley County35,046335.6
Wells County28,883368.1

ZIP codes

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

46562467234672546750467644678346787468144681846962

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 Whitley County

Whitley County shares a land border with 5 county equivalents. Each of them has more land than Whitley County. The largest neighbor is Allen County (657.1 mi²) and the smallest is Huntington County (382.6 mi²). Together with its neighbors, Whitley County forms a block of 2,730.2 mi² of land, of which it holds 12.3%.

Map of Whitley County and the 5 county equivalents that border it Allen County, Indiana: 657.1 mi² landNoble County, Indiana: 410.8 mi² landKosciusko County, Indiana: 531.4 mi² landHuntington County, Indiana: 382.6 mi² landWabash County, Indiana: 412.5 mi² land
Whitley 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. WhitleyCompare
Allen County657.12× largerCompare
Kosciusko County531.41.6× largerCompare
Wabash County412.51.2× largerCompare
Noble County410.81.2× largerCompare
Huntington County382.61.1× largerCompare

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

Whitley County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 3.1 times as much. Indiana’s county land could hold about 107 areas the size of Whitley County.

Land area: Whitley County and the closest-sized states
Whitley County335.6 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 18.3 miles (29.5 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 Whitley County?

Whitley County has more land than 497 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Whitley County335.6 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 Whitley County at #2,766 nationally by total area, 41 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 0.7%, 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 Whitley County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2724Martin County, Indiana335.8Compare
#2725Whitley County, Indiana335.6This county
#2726Prince William County, Virginia335.3Compare

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 41.136426, -85.501892. 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: 869,256,023 m²; AWATER: 6,074,672 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 Whitley County?

Whitley County, Indiana has 335.6 square miles (869.3 km²) of land and 2.345 square miles of water, for a total area of 338 square miles. It ranks #2725 of 3,222 U.S. county equivalents by land area.

Is Whitley County the largest county in Indiana?

No. Whitley County ranks #73 of 92 in Indiana by land area. The largest is Allen County, with 657.1 square miles of land.

What counties border Whitley County?

Whitley County shares a land border with Allen County, Noble County, Kosciusko County, Huntington County, and Wabash County.

What is the population of Whitley County?

The Census Bureau estimates Whitley County had 35,046 residents on July 1, 2025, ranking #1,343 of 3,222 county equivalents. That is 104 people per square mile of land.

What is the county seat of Whitley County?

The county seat of Whitley County is Columbia City.

What cities and towns are in Whitley County?

Whitley County has 4 incorporated places. The most populous are Columbia City city, Churubusco town, South Whitley town, and Larwill town; 20,813 residents live outside any incorporated place.

Is Whitley County part of a metropolitan area?

Yes. It is an outlying county of the Fort Wayne, IN Metropolitan Statistical Area, which has 3 county equivalents and 466,258 residents.

How many ZIP codes are in Whitley County?

10 ZIP Code Tabulation Areas have land in Whitley 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 Whitley County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 3.1 times as much land.

How many acres of land are in Whitley County?

The land measurement converts to approximately 214,798 acres. Including water, total area is approximately 216,299 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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