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Cities and Towns in Mercer County, Ohio

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Founded in Apr 1, 1820, Mercer County is one of 88 counties in the state of Ohio. Historically, Mercer County was formed from Darke County. The city of Celina is the county seat. With FIPS code of 107, Mercer County has a population of 42,309 and area of 463.27 square miles (1,200 km²).

List of all cities in Mercer County, OH alphabetically

City/Town Postal Code Area Code
Burkettsville, OH 45310 419/567
Carthagena, OH 45822 419/567
Celina, OH 45822 419/567
Celina, OH 45826 419/567
Chickasaw, OH 45826 419/567
Coldwater, OH 45828 419/567
Fort Recovery, OH 45846 419/567
Maria Stein, OH 45860 419/567
Mendon, OH 45862 419/567
Montezuma, OH 45866 419/567
Rockford, OH 45882 419/567
Saint Henry, OH 45883 419/567

Major Cities and Towns in Mercer County, Ohio

Mercer County, located in western Ohio, encompasses several cities and towns, each with its own unique history and characteristics. Below is an overview of the major communities within the county.

Celina

Overview

  • Area: Approximately 5.3 square miles
  • Population: 10,400 (as of 2020)
  • ZIP Code: 45822
  • Latitude: 40.5481° N
  • Longitude: -84.5708° W

Location and History

Celina, the county seat of Mercer County, is situated along the western shore of Grand Lake St. Marys. Founded in 1834 by James Watson Riley, the city was named after Salina, New York, with a slight alteration in spelling. The establishment of the Miami and Erie Canal in the mid-19th century spurred Celina’s growth, facilitating trade and transportation. Over the years, Celina has evolved into a regional hub, balancing its rich historical heritage with modern development.

Major Schools and Landmarks

Celina City Schools serve the educational needs of the community, with institutions such as Celina High School and Celina Middle School. Notable landmarks include the Mercer County Courthouse, an architectural gem completed in 1923, and the Mercer County Historical Museum, which offers insights into the area’s past. The city also boasts the Wright State University–Lake Campus, providing higher education opportunities to residents.

Coldwater

Overview

  • Area: Approximately 1.7 square miles
  • Population: 4,400 (as of 2020)
  • ZIP Code: 45828
  • Latitude: 40.4795° N
  • Longitude: -84.6280° W

Location and History

Coldwater is located in the central part of Mercer County. The village was established in the mid-19th century and has a history rooted in agriculture and small-scale industry. Over time, Coldwater has developed into a close-knit community, valuing its historical heritage and rural character.

Major Schools and Landmarks

The Coldwater Exempted Village School District serves the area, with Coldwater High School being a key educational institution. Landmarks include the Coldwater Memorial Park, which offers recreational facilities, and the annual Coldwater Community Picnic, a festival celebrating the village’s community spirit. The village also features several churches and historic buildings that reflect its rich cultural heritage.

Fort Recovery

Overview

  • Area: Approximately 1.0 square mile
  • Population: 1,400 (as of 2020)
  • ZIP Code: 45846
  • Latitude: 40.4117° N
  • Longitude: -84.7819° W

Location and History

Fort Recovery is situated in the western part of Mercer County, near the Indiana border. The village is historically significant as the site of the Battle of the Wabash in 1791 and the subsequent establishment of Fort Recovery in 1793. The village was platted in 1858 and has since preserved its rich historical heritage.

Major Schools and Landmarks

The Fort Recovery Local School District serves the community, with Fort Recovery High School being a central educational institution. Notable landmarks include the Fort Recovery State Museum, which offers insights into the area’s early history, and the reconstructed fort, providing a glimpse into the past. The village also hosts the annual Fort Recovery Harvest Jubilee, celebrating its heritage and community spirit.

St. Henry

Overview

  • Area: Approximately 1.7 square miles
  • Population: 2,600 (as of 2020)
  • ZIP Code: 45883
  • Latitude: 40.4167° N
  • Longitude: -84.6375° W

Location and History

St. Henry is located in the southern part of Mercer County. The village was established in 1837 by Johann Heinrich Römer and named after St. Henry, the Holy Roman Emperor. Over the years, St. Henry has maintained its small-town charm and strong community values.

Major Schools and Landmarks

The St. Henry Consolidated Local School District serves the area, with St. Henry High School being a notable institution. Landmarks include the St. Henry Catholic Church, an architectural centerpiece completed in 1897, and the annual St. Henry Community Picnic, a festival celebrating the village’s heritage. The village also features several parks and recreational facilities for residents and visitors.

Rockford

Overview

  • Area: Approximately 0.8 square miles
  • Population: 1,100 (as of 2020)
  • ZIP Code: 45882
  • Latitude: 40.6878° N
  • Longitude: -84.6475° W

Location and History

Rockford is situated in the northern part of Mercer County, along the St. Marys River. The village was originally known as Shanesville, founded in 1820 by Anthony Shane, a French-Indian scout. It was later renamed Rockford in 1890. The village has a rich history tied to early settlement and development in the region.

Major Schools and Landmarks

The Parkway Local School District serves the community, with Parkway High School being a central educational institution. Notable landmarks include Shanes Park, offering recreational facilities, and the Rockford Carnegie Library, serving as a hub for community learning and events. The village also hosts the annual Rockford Community Days, celebrating its heritage and community spirit.

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