Coshocton County area

Coshocton County, Ohio covers 567.4 square miles: 563.9 square miles of land and 3.524 square miles of water. Its county seat is Coshocton. An estimated 37,188 people lived there in 2025.

Official Census measurements · GEOID 390312026 Gazetteer · retrieved September 27, 2026
Land area563.9 mi²
Water area3.524 mi²
Population (2025)37,188
People per mi²66

County outline

Generalized outline of Coshocton 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 Coshocton County is located

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

Area breakdown

Land accounts for 99.4% of Coshocton County’s measured area and water for 0.6%. Its combined area converts to 1,469.6 square kilometers or approximately 363,158 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land563.9111,460.523360,903
Water3.5249.1272,255.4
Total567.4351,469.65363,158.4

How Coshocton County compares

By original Census land area, Coshocton County ranks #13 of 88 in Ohio and #1823 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.293 times the Ohio county-equivalent median of 436 square miles. It accounts for 1.4% of the combined county land area in the state.

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

Population and density of Coshocton County

The Census Bureau estimates that 37,188 people lived in Coshocton County on July 1, 2025. That ranks #1,290 of 3,222 county equivalents nationally and #66 of 88 in Ohio. Since the April 1, 2020 estimates base of 36,611, the population has grown by 577 (+1.6%), compared with +0.9% for Ohio as a whole.

With 563.9 square miles of land, that is 66 people per square mile (25 per km²), placing Coshocton County #1,307 nationally for density and #75 in Ohio. The median county equivalent has 47 people per square mile; the Ohio median is 120. Put another way, there are about 9.7 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate36,59036,63936,54536,84536,99937,188
Change—+49−94+300+154+189

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 Coshocton County

7 incorporated places lie at least partly in Coshocton County. Together they are home to 14,872 people (40%); the other 22,316 (60%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Coshocton city, with 11,169 residents in the county. Among places with at least 1,000 residents in 2020, West Lafayette village grew fastest since then (+1.3%).

Incorporated placePopulation 2025Since 2020Land mi²
Coshocton cityCounty seat11,169+1.1%8.004
West Lafayette village2,430+1.3%0.872
Warsaw village662+2.8%0.486
Conesville village331+1.2%0.139
Plainfield village151+5.6%0.392
Nellie village118+1.7%0.682
Baltic villageAlso in 2 other counties110%0.901

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

Metropolitan area

Coshocton County is a central county of the Coshocton, OH Micropolitan Statistical Area. Coshocton County is the area’s only county equivalent, so the micro area has the same 563.9 square miles of land. By combined land it ranks #386 of 542 micropolitan areas, and #362 by population. It belongs to the Cleveland-Akron-Canton, OH Combined Statistical Area.

ZIP codes

18 ZIP Code Tabulation Areas have land in Coshocton County; 8 of them have most of their land inside the county, and the others mainly cover neighboring areas.

430064301443749438044380543811438124382143822438244383243836438404384343844438454463744654

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 Coshocton County

Coshocton County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Licking County (682.4 mi²) and the smallest is Holmes County (422.6 mi²). Together with its neighbors, Coshocton County forms a block of 3,948.8 mi² of land, of which it holds 14.3%.

Map of Coshocton County and the 6 county equivalents that border it Muskingum County, Ohio: 664.5 mi² landHolmes County, Ohio: 422.6 mi² landTuscarawas County, Ohio: 567.6 mi² landKnox County, Ohio: 525.5 mi² landGuernsey County, Ohio: 522.2 mi² landLicking County, Ohio: 682.4 mi² land
Coshocton 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. CoshoctonCompare
Licking County682.41.2× largerCompare
Muskingum County664.51.2× largerCompare
Tuscarawas County567.6about the sameCompare
Knox County525.51.1× smallerCompare
Guernsey County522.21.1× smallerCompare
Holmes County422.61.3× smallerCompare

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

Coshocton County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Ohio’s county land could hold about 72 areas the size of Coshocton County.

Land area: Coshocton County and the closest-sized states
Coshocton County563.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23.7 miles (38.2 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 Coshocton County?

Coshocton County has more land than 1,399 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Coshocton County563.9 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 Coshocton County at #1,943 nationally by total area, 120 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 Coshocton County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1822Franklin County, Mississippi564Compare
#1823Coshocton County, Ohio563.9This county
#1824Palo Alto County, Iowa563.9Compare

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 40.296710, -81.930109. 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: 1,460,521,576 m²; AWATER: 9,127,208 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 Coshocton County?

Coshocton County, Ohio has 563.9 square miles (1,460.5 km²) of land and 3.524 square miles of water, for a total area of 567.4 square miles. It ranks #1823 of 3,222 U.S. county equivalents by land area.

Is Coshocton County the largest county in Ohio?

No. Coshocton County ranks #13 of 88 in Ohio by land area. The largest is Ashtabula County, with 702.4 square miles of land.

What counties border Coshocton County?

Coshocton County shares a land border with Muskingum County, Holmes County, Tuscarawas County, Knox County, Guernsey County, and Licking County.

What is the population of Coshocton County?

The Census Bureau estimates Coshocton County had 37,188 residents on July 1, 2025, ranking #1,290 of 3,222 county equivalents. That is 66 people per square mile of land.

What is the county seat of Coshocton County?

The county seat of Coshocton County is Coshocton.

What cities and towns are in Coshocton County?

Coshocton County has 7 incorporated places. The most populous five are Coshocton city, West Lafayette village, Warsaw village, Conesville village, and Plainfield village; 22,316 residents live outside any incorporated place.

Is Coshocton County part of a metropolitan area?

Yes. It is a central county of the Coshocton, OH Micropolitan Statistical Area.

How many ZIP codes are in Coshocton County?

18 ZIP Code Tabulation Areas have land in Coshocton County, and 8 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 1.8 times as much land.

How many acres of land are in Coshocton County?

The land measurement converts to approximately 360,903 acres. Including water, total area is approximately 363,158 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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