Where is Sidney, Ohio

Written and Fact-checked by | Updated On: August 5, 2026

Sidney is a city in western Ohio and the county seat of Shelby County. Located about 35 miles northwest of Dayton, the city sits along the Great Miami River in the Miami Valley region. Sidney is known for its historic courthouse square, nearby Tawawa Park, restored downtown buildings, and its location along major transportation routes linking Dayton, Columbus, and western Ohio.

Location Map of Sidney, Shelby County, Ohio

Where is Sidney Located in Shelby County, Ohio

About Map: The map shows the location of Sidney in Shelby County, in the U.S. state of Ohio.

Sidney Map, Ohio

About Sidney Map: The Google Map highlights the location of Sidney in Shelby County, Ohio. Use the zoom, satellite, and street-view options to explore the city's neighborhoods, roads, and nearby places.

Where is Sidney Located?

Sidney is a city located in Shelby County, Ohio, the United States. It lies in western Ohio along the Great Miami River, about 35 miles northwest of Dayton and 45 miles west of Columbus. Troy is approximately 15 miles south, while Piqua is about 10 miles southeast of Sidney. The city is located at 40.2842° North latitude and 84.1552° West longitude. The 2020 Census recorded 20,543 residents. Sidney covers about 12.5 square miles (32.4 square kilometers), with most of the area consisting of land. The Great Miami River is an important geographic feature and has influenced the city's settlement and development. Tawawa Park is a major local attraction with trails, wooded areas, picnic facilities, and river scenery. A unique feature of Sidney is its historic courthouse square and its role as the county seat of Shelby County, making it an important civic center for the surrounding communities.

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Sidney City Facts

FactDetails
CitySidney
StateOhio
CountyShelby County
CountryUnited States
RegionMiami Valley, Western Ohio
Incorporated1820
Founded1819
Total Area12.5 sq mi (32.4 sq km)
Land Area12.4 sq mi (32.1 sq km)
Water Area0.1 sq mi (0.3 sq km)
ElevationAbout 980 ft (299 m)
Population (2023 estimate)About 20,300
Population (2020 Census)20,543
Population DensityAbout 1,650 people per sq mi
Time ZoneEastern Time (EST/EDT)
ZIP Codes45365
Area Code937, 326
Major HighwaysInterstate 75, U.S. Route 25, U.S. Route 36, Ohio State Route 29
Public TransitMiami County Transit and regional transportation services
Major AttractionsTawawa Park, Shelby County Courthouse, Sidney Historic District, Great Miami River
Official Websitehttps://www.sidneyoh.com/

Distance from Sidney, OH to Nearby Cities

  • Piqua, OH – 10 miles (16 km)
  • Troy, OH – 15 miles (24 km)
  • Minster, OH – 15 miles (24 km)
  • Versailles, OH – 25 miles (40 km)
  • Wapakoneta, OH – 25 miles (40 km)
  • Urbana, OH – 30 miles (48 km)
  • Dayton, OH – 35 miles (56 km)
  • Vandalia, OH – 30 miles (48 km)
  • Springfield, OH – 35 miles (56 km)
  • Lima, OH – 45 miles (72 km)
  • Greenville, OH – 35 miles (56 km)
  • Marysville, OH – 50 miles (80 km)
  • Columbus, OH – 45 miles (72 km)
  • Findlay, OH – 60 miles (97 km)
  • Delaware, OH – 55 miles (89 km)
  • Richmond, IN – 65 miles (105 km)
  • Cincinnati, OH – 85 miles (137 km)
  • Fort Wayne, IN – 100 miles (161 km)

Top Attractions in Sidney, Ohio

  • Tawawa Park – A large city park along the Great Miami River featuring wooded trails, picnic areas, fishing, playgrounds, and scenic outdoor spaces.
  • Shelby County Courthouse – A historic courthouse in downtown Sidney that serves as an important civic and architectural landmark.
  • Sidney Historic District – A collection of historic buildings around downtown and the courthouse square that reflects the city's 19th-century development.
  • Great Miami River – A major river flowing through Sidney and providing scenic views, wildlife habitat, fishing, and recreational opportunities.
  • Shelby County Historical Society – A local organization preserving artifacts, documents, photographs, and stories related to Sidney and Shelby County.
  • Sidney-Shelby County YMCA – A community recreation facility offering fitness, swimming, sports, youth programs, and other activities.
  • Big Four Bridge – A historic railroad structure in the Sidney area reflecting the region's transportation and industrial history.
  • Johnston Farm and Indian Agency – A historic site near Piqua preserving an early Ohio farm and an important Native American and federal Indian agency history.
  • Farrington Reserve – A nearby natural area with trails, woods, wetlands, and opportunities for wildlife observation.

Airports Near Sidney, Ohio

  • James M. Cox Dayton International Airport (DAY) – 30 miles
  • Neil Armstrong Airport (AXV) – 20 miles
  • Lima Allen County Airport (AOH) – 45 miles
  • John Glenn Columbus International Airport (CMH) – 70 miles

Sources:

Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the official Sidney city website and local government records.

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