Geauga County area

Geauga County, Ohio covers 408.4 square miles: 400.4 square miles of land and 7.979 square miles of water. Its county seat is Chardon. An estimated 95,676 people lived there in 2025.

Official Census measurements · GEOID 390552026 Gazetteer · retrieved September 27, 2026
Land area400.4 mi²
Water area7.979 mi²
Population (2025)95,676
People per mi²239

County outline

Generalized outline of Geauga County, Ohio
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 Geauga County is located

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

Area breakdown

Land accounts for 98% of Geauga County’s measured area and water for 2%. Its combined area converts to 1,057.8 square kilometers or approximately 261,390 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land400.4431,037.143256,283.5
Water7.97920.6665,106.6
Total408.4221,057.808261,390.1

How Geauga County compares

By original Census land area, Geauga County ranks #81 of 88 in Ohio and #2526 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.918 times the Ohio county-equivalent median of 436 square miles. It accounts for 1% of the combined county land area in the state.

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

Population and density of Geauga County

The Census Bureau estimates that 95,676 people lived in Geauga County on July 1, 2025. That ranks #653 of 3,222 county equivalents nationally and #29 of 88 in Ohio. Since the April 1, 2020 estimates base of 95,435, the population has grown by 241 (+0.3%), compared with +0.9% for Ohio as a whole.

With 400.4 square miles of land, that is 239 people per square mile (92 per km²), placing Geauga County #587 nationally for density and #26 in Ohio. The median county equivalent has 47 people per square mile; the Ohio median is 120. Put another way, there are about 2.7 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate95,38395,65895,50195,32795,30095,676
Change—+275−157−174−27+376

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 Geauga County

6 incorporated places lie at least partly in Geauga County. Together they are home to 13,792 people (14.4%); the other 81,884 (85.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Chardon city, with 5,251 residents in the county. By land, Hunting Valley village is the largest at 7.892 mi² across all its counties. Among places with at least 1,000 residents in 2020, Burton village grew fastest since then (+0.8%).

Incorporated placePopulation 2025Since 2020Land mi²
Chardon cityCounty seat5,251+0.2%4.391
South Russell village3,913−1.6%3.806
Middlefield village2,767+0.7%3.417
Burton village1,424+0.8%1.112
Aquilla village305−0.3%0.147
Hunting Valley villageAlso in 1 other county132−1.5%7.892

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

Metropolitan area

Geauga County is a central county of the Cleveland, OH Metropolitan Statistical Area. Its 6 county equivalents have 2,165,775 residents on 2,701.5 square miles of land; Geauga County accounts for 14.8% of the land and 4.4% of the residents. By combined land it ranks #115 of 393 metropolitan areas, and #35 by population. It belongs to the Cleveland-Akron-Canton, OH Combined Statistical Area.

County equivalentPopulation 2025Land mi²
Cuyahoga County1,232,925457.2
Lorain County323,219490.5
Lake County232,217229.4
Medina County185,025421.5
Ashtabula County96,713702.4
Geauga County95,676400.4

ZIP codes

20 ZIP Code Tabulation Areas have land in Geauga County; 11 of them have most of their land inside the county, and the others mainly cover neighboring areas.

4402144022440234402444026440464405744060440624406444065440724408044086440944409944202442314423444491

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 Geauga County

Geauga County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Ashtabula County (702.4 mi²) and the smallest is Lake County (229.4 mi²). Together with its neighbors, Geauga County forms a block of 2,894.5 mi² of land, of which it holds 13.8%.

Map of Geauga County and the 5 county equivalents that border it Lake County, Ohio: 229.4 mi² landPortage County, Ohio: 487.5 mi² landCuyahoga County, Ohio: 457.2 mi² landAshtabula County, Ohio: 702.4 mi² landTrumbull County, Ohio: 617.6 mi² land
Geauga 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. GeaugaCompare
Ashtabula County702.41.8× largerCompare
Trumbull County617.61.5× largerCompare
Portage County487.51.2× largerCompare
Cuyahoga County457.21.1× largerCompare
Lake County229.41.7× smallerCompare

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

Geauga 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. Ohio’s county land could hold about 102 areas the size of Geauga County.

Land area: Geauga County and the closest-sized states
Geauga County400.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 20 miles (32.2 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 Geauga County?

Geauga County has more land than 696 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Geauga County400.4 mi²
Ohio median436 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 Geauga County at #2,557 nationally by total area, 31 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 2%, compared with a national county-equivalent median of 1.2% — 0.8 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 Geauga County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2525Winnebago County, Iowa400.5Compare
#2526Geauga County, Ohio400.4This county
#2527Long County, Georgia400.4Compare

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 41.499322, -81.173505. 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: 1,037,143,809 m²; AWATER: 20,665,124 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 Geauga County?

Geauga County, Ohio has 400.4 square miles (1,037.1 km²) of land and 7.979 square miles of water, for a total area of 408.4 square miles. It ranks #2526 of 3,222 U.S. county equivalents by land area.

Is Geauga County the largest county in Ohio?

No. Geauga County ranks #81 of 88 in Ohio by land area. The largest is Ashtabula County, with 702.4 square miles of land.

What counties border Geauga County?

Geauga County shares a land border with Lake County, Portage County, Cuyahoga County, Ashtabula County, and Trumbull County.

What is the population of Geauga County?

The Census Bureau estimates Geauga County had 95,676 residents on July 1, 2025, ranking #653 of 3,222 county equivalents. That is 239 people per square mile of land.

What is the county seat of Geauga County?

The county seat of Geauga County is Chardon.

What cities and towns are in Geauga County?

Geauga County has 6 incorporated places. The most populous five are Chardon city, South Russell village, Middlefield village, Burton village, and Aquilla village; 81,884 residents live outside any incorporated place.

Is Geauga County part of a metropolitan area?

Yes. It is a central county of the Cleveland, OH Metropolitan Statistical Area, which has 6 county equivalents and 2,165,775 residents.

How many ZIP codes are in Geauga County?

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

How does Geauga 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 Geauga County?

The land measurement converts to approximately 256,284 acres. Including water, total area is approximately 261,390 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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