White County area

White County, Illinois covers 501.9 square miles: 495 square miles of land and 6.886 square miles of water. Its county seat is Carmi. An estimated 13,250 people lived there in 2025.

Official Census measurements · GEOID 171932026 Gazetteer · retrieved September 27, 2026
Land area495 mi²
Water area6.886 mi²
Population (2025)13,250
People per mi²27

County outline

Generalized outline of White County, Illinois
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 White County is located

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

Area breakdown

Land accounts for 98.6% of White County’s measured area and water for 1.4%. Its combined area converts to 1,299.8 square kilometers or approximately 321,196 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land494.9831,282316,789.1
Water6.88617.8354,407
Total501.8691,299.835321,196.2

How White County compares

By original Census land area, White County ranks #54 of 102 in Illinois and #2103 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.969 times the Illinois county-equivalent median of 510.7 square miles. It accounts for 0.9% of the combined county land area in the state.

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

Population and density of White County

The Census Bureau estimates that 13,250 people lived in White County on July 1, 2025. That ranks #2,281 of 3,222 county equivalents nationally and #78 of 102 in Illinois. Since the April 1, 2020 estimates base of 13,872, the population has declined by 622 (−4.5%), compared with −0.8% for Illinois as a whole.

With 495 square miles of land, that is 27 people per square mile (10 per km²), placing White County #2,099 nationally for density and #80 in Illinois. The median county equivalent has 47 people per square mile; the Illinois median is 44. Put another way, there are about 24 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate13,80713,75713,62813,49713,44913,250
Change—−50−129−131−48−199

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 White County

11 incorporated places lie at least partly in White County. Together they are home to 8,361 people (63.1%); the other 4,889 (36.9%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Carmi city, with 4,623 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Carmi cityCounty seat4,623−4.5%2.589
Norris City village1,083−4.7%1.172
Grayville cityAlso in 1 other county835−4.2%2.127
Enfield village771−3%1.011
Crossville village605−4.7%0.64
Mill Shoals villageAlso in 1 other county167−4.6%0.767
Springerton village114−2.6%0.138
Maunie village91−4.2%0.159
Phillipstown village39−4.9%0.27
Burnt Prairie village32−5.9%0.076
New Haven villageAlso in 1 other county10%1.244

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

Metropolitan area

White 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 White County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6282062821628276283562844628616286262867628696287162887

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 White County

White County shares a land border with 7 county equivalents, including 2 in Indiana. It has more land than 6 of them. The largest neighbor is Wayne County (713.8 mi²) and the smallest is Edwards County (222.4 mi²). Together with its neighbors, White County forms a block of 3,308.9 mi² of land, of which it holds 15%.

Map of White County and the 7 county equivalents that border it Posey County, Indiana: 409.4 mi² landHamilton County, Illinois: 434.7 mi² landGallatin County, Illinois: 322.9 mi² landWayne County, Illinois: 713.8 mi² landEdwards County, Illinois: 222.4 mi² landGibson County, Indiana: 487.4 mi² landWabash County, Illinois: 223.3 mi² land
White 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. WhiteCompare
Wayne County713.81.4× largerCompare
Gibson CountyIndiana487.4about the sameCompare
Hamilton County434.71.1× smallerCompare
Posey CountyIndiana409.41.2× smallerCompare
Gallatin County322.91.5× smallerCompare
Wabash County223.32.2× smallerCompare
Edwards County222.42.2× smallerCompare

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

White County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.1 times as much. Illinois’s county land could hold about 112 areas the size of White County.

Land area: White County and the closest-sized states
White County495 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 22.2 miles (35.8 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 White County?

White County has more land than 1,119 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
White County495 mi²
Illinois median510.7 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 White County at #2,174 nationally by total area, 71 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 1.4%, compared with a national county-equivalent median of 1.2% — 0.2 percentage points higher. 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 White County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2102Louisa County, Virginia495.1Compare
#2103White County, Illinois495This county
#2104Mason County, Michigan495Compare

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 38.087088, -88.178251. 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: 1,281,999,211 m²; AWATER: 17,833,683 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 White County?

White County, Illinois has 495 square miles (1,282 km²) of land and 6.886 square miles of water, for a total area of 501.9 square miles. It ranks #2103 of 3,222 U.S. county equivalents by land area.

Is White County the largest county in Illinois?

No. White County ranks #54 of 102 in Illinois by land area. The largest is McLean County, with 1,183.2 square miles of land.

What counties border White County?

White County shares a land border with Posey County, Indiana, Hamilton County, Gallatin County, Wayne County, Edwards County, Gibson County, Indiana, and Wabash County.

What is the population of White County?

The Census Bureau estimates White County had 13,250 residents on July 1, 2025, ranking #2,281 of 3,222 county equivalents. That is 27 people per square mile of land.

What is the county seat of White County?

The county seat of White County is Carmi.

What cities and towns are in White County?

White County has 11 incorporated places. The most populous five are Carmi city, Norris City village, Grayville city, Enfield village, and Crossville village; 4,889 residents live outside any incorporated place.

Is White County part of a metropolitan area?

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

How many ZIP codes are in White County?

11 ZIP Code Tabulation Areas have land in White County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.1 times as much land.

How many acres of land are in White County?

The land measurement converts to approximately 316,789 acres. Including water, total area is approximately 321,196 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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