Adams County Map, Ohio

Written and Fact-checked by | Updated On: April 30, 2026 | 13:31 ET

Map of Adams County - Adams County is a county located in the U.S. state of Ohio. Adams County Map showing cities, highways, important places and water bodies. Get Where is Adams County located in the map, major cities in Adams county, population, areas, and places of interest.

Map of Adams County, Ohio

Map of Adams County, Ohio

About Adams County Map, Ohio: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Adams County, Ohio

Adams County is a county located in the U.S. state of Ohio. It's county seat is West Union. As per 2020 census, the population of Adams County is 27542 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 583.91 sq mi (1,512 km2). Adams County was established on -37427.

Adams County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatWest Union
Largest City/TownWest Union
Established1797
Total Area584 sq mi
Land Area584 sq mi
Water Area0.5 sq mi
Population27,477 (Census 2020)
Population Density47 people per sq mi
Time ZoneEastern (EST)
Major HighwaysUS-52, SR-32, SR-41
Neighboring CountiesBrown County, Highland County, Pike County (OH), Scioto County (OH), Lewis County (KY)
Famous ForOhio River scenery, rural landscapes, Serpent Mound nearby region
Top AttractionsShawnee State Park (nearby), Serpent Mound, Ohio River Scenic Byway
Official Websitehttps://www.adamscountyoh.gov

Cities and Towns in Adams County, Ohio

  • West Union (county seat) – 3,264 (Census 2020)
  • Manchester – 2,023 (Census 2020)
  • Peebles – 1,773 (Census 2020)
  • Seaman – 1,025 (Census 2020)

Roads and Highways in Adams County, Ohio

Adams County is served by several highways that connect southern Ohio communities and provide access to Kentucky and major Ohio cities.

  • US Route 52 (US-52) – Runs along the Ohio River connecting Cincinnati and Portsmouth
  • State Route 32 (SR-32) – Major east-west route linking the county to Cincinnati and eastern Ohio
  • State Route 41 (SR-41) – Connects local towns and neighboring counties

Neighboring Counties of Adams County

  • Brown County (north)
  • Highland County (northeast)
  • Pike County (west)
  • Scioto County (northwest)
  • Lewis County, Kentucky (south, across Ohio River)

Top Attractions in Adams County, Ohio

Adams County is known for its scenic hills, river views, and unique prehistoric sites.

  • Serpent Mound – Famous ancient Native American effigy mound
  • Ohio River Scenic Byway – Scenic drive along the river
  • Adams Lake State Park – Fishing, boating, and camping destination
  • Shawnee State Forest (nearby) – Large forest with hiking trails and wildlife
  • West Union Historic District – Local shops and historic architecture
  • Rocky Fork State Park (nearby region) – Outdoor recreation area
  • Brush Creek area – Popular for kayaking and nature viewing

Distance from Adams County to Nearby Cities

  • West Union to Cincinnati – 70 mi (113 km)
  • West Union to Columbus – 105 mi (169 km)
  • West Union to Portsmouth – 35 mi (56 km)
  • West Union to Chillicothe – 60 mi (97 km)
  • West Union to Lexington, KY – 120 mi (193 km)

FAQs about Adams County

What is Adams County, Ohio known for?

Adams County is known for the Serpent Mound, scenic Ohio River views, and rural landscapes.

What is the county seat of Adams County?

West Union is the county seat of Adams County.

Is Adams County rural?

Yes, Adams County is a largely rural area with small towns and farmland.

What are popular attractions in Adams County?

Visitors enjoy Serpent Mound, river scenery, parks, and outdoor recreation areas.

Which river borders Adams County?

The Ohio River forms the southern border of Adams County.