Pike County area

Pike County, Ohio covers 444 square miles: 440.3 square miles of land and 3.693 square miles of water. Its county seat is Waverly. An estimated 27,061 people lived there in 2025.

Official Census measurements · GEOID 391312026 Gazetteer · retrieved September 27, 2026
Land area440.3 mi²
Water area3.693 mi²
Population (2025)27,061
People per mi²61

County outline

Generalized outline of Pike 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 Pike County is located

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

Area breakdown

Land accounts for 99.2% of Pike County’s measured area and water for 0.8%. Its combined area converts to 1,149.9 square kilometers or approximately 284,145 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land440.2831,140.328281,781.1
Water3.6939.5652,363.5
Total443.9761,149.893284,144.6

How Pike County compares

By original Census land area, Pike County ranks #44 of 88 in Ohio and #2303 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.01 times the Ohio county-equivalent median of 436 square miles. It accounts for 1.1% of the combined county land area in the state.

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

Population and density of Pike County

The Census Bureau estimates that 27,061 people lived in Pike County on July 1, 2025. That ranks #1,585 of 3,222 county equivalents nationally and #79 of 88 in Ohio. Since the April 1, 2020 estimates base of 27,082, the population has declined by 21 (−0.1%), compared with +0.9% for Ohio as a whole.

With 440.3 square miles of land, that is 61 people per square mile (24 per km²), placing Pike County #1,367 nationally for density and #79 in Ohio. The median county equivalent has 47 people per square mile; the Ohio median is 120. Put another way, there are about 10 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate27,06427,07026,92526,93427,07627,061
Change—+6−145+9+142−15

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 Pike County

3 incorporated places lie at least partly in Pike County. Together they are home to 6,754 people (25%); the other 20,307 (75%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Waverly village, with 4,107 residents in the county. Among places with at least 1,000 residents in 2020, Piketon village grew fastest since then (+2.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Waverly villageCounty seat4,107−1.3%4.164
Piketon village2,201+2.9%2.653
Beaver village446+0.2%0.39

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

Metropolitan area

Pike 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

13 ZIP Code Tabulation Areas have land in Pike County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.

45133456014561245613456244564245646456484565745660456614567145690

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 Pike County

Pike County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Ross County (689.2 mi²) and the smallest is Jackson County (420.3 mi²). Together with its neighbors, Pike County forms a block of 3,296.9 mi² of land, of which it holds 13.4%.

Map of Pike County and the 5 county equivalents that border it Ross County, Ohio: 689.2 mi² landScioto County, Ohio: 610.2 mi² landJackson County, Ohio: 420.3 mi² landHighland County, Ohio: 553.1 mi² landAdams County, Ohio: 583.9 mi² land
Pike 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. PikeCompare
Ross County689.21.6× largerCompare
Scioto County610.21.4× largerCompare
Adams County583.91.3× largerCompare
Highland County553.11.3× largerCompare
Jackson County420.3about the sameCompare

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

Pike County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.3 times as much. Ohio’s county land could hold about 93 areas the size of Pike County.

Land area: Pike County and the closest-sized states
Pike County440.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 21 miles (33.8 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 Pike County?

Pike County has more land than 919 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Pike County440.3 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 Pike County at #2,372 nationally by total area, 69 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 0.8%, compared with a national county-equivalent median of 1.2% — 0.3 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 Pike County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2302Coweta County, Georgia441Compare
#2303Pike County, Ohio440.3This county
#2304McDowell County, North Carolina440Compare

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 39.071186, -83.052869. 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: 1,140,328,427 m²; AWATER: 9,563,601 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 Pike County?

Pike County, Ohio has 440.3 square miles (1,140.3 km²) of land and 3.693 square miles of water, for a total area of 444 square miles. It ranks #2303 of 3,222 U.S. county equivalents by land area.

Is Pike County the largest county in Ohio?

No. Pike County ranks #44 of 88 in Ohio by land area. The largest is Ashtabula County, with 702.4 square miles of land.

What counties border Pike County?

Pike County shares a land border with Ross County, Scioto County, Jackson County, Highland County, and Adams County.

What is the population of Pike County?

The Census Bureau estimates Pike County had 27,061 residents on July 1, 2025, ranking #1,585 of 3,222 county equivalents. That is 61 people per square mile of land.

What is the county seat of Pike County?

The county seat of Pike County is Waverly.

What cities and towns are in Pike County?

Pike County has 3 incorporated places. The most populous are Waverly village, Piketon village, and Beaver village; 20,307 residents live outside any incorporated place.

Is Pike County part of a metropolitan area?

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

How many ZIP codes are in Pike County?

13 ZIP Code Tabulation Areas have land in Pike County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.3 times as much land.

How many acres of land are in Pike County?

The land measurement converts to approximately 281,781 acres. Including water, total area is approximately 284,145 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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