Cities and Towns in Allen County, Ohio

Founded in Mar 1, 1820, Allen County is one of 88 counties in the state of Ohio. Historically, Allen County was formed from Shelby County. The city of Lima is the county seat. With FIPS code of 3, Allen County has a population of 101,670 and area of 404.43 square miles (1,047 km²).

List of all cities in Allen County, OH alphabetically

City/Town Postal Code Area Code
Beaverdam, OH 45808 419/567
Bluffton, OH 45817 419/567
Cairo, OH 45820 419/567
Delphos, OH 45833 419/567
Elida, OH 45807 419/567
Gomer, OH 45809 419/567
Harrod, OH 45850 419/567
Lafayette, OH 45854 419/567
Lima, OH 45801 419/567
45802 419/567
45804 419/567
45805 419/567
45807 419/567
45809 419/567
45854 419/567
Spencerville, OH 45887 419/567

Major Cities and Towns in Allen County, Ohio

Lima

Overview

Lima, the county seat and largest city of Allen County, is situated in northwestern Ohio along Interstate 75, approximately 72 miles north of Dayton. Founded in 1831, Lima has a rich history tied to the oil industry and manufacturing, notably housing the Lima Army Tank Plant, the sole producer of the M1 Abrams tank.

Area, Population, and Coordinates

  • Area: 13.62 square miles
  • Population: 35,579 (2020 census)
  • ZIP Codes: 45801, 45802, 45804, 45805, 45806, 45807, 45809, 45854
  • Latitude and Longitude: 40.7426° N, 84.1052° W

Education and Landmarks

Lima is home to several educational institutions, including the University of Northwestern Ohio and Rhodes State College. Notable landmarks include the Allen County Museum, which offers insights into the region’s history, and the Veterans Memorial Civic and Convention Center, a hub for cultural events.

Delphos

Overview

Delphos, straddling Allen and Van Wert counties, is located approximately 14 miles northwest of Lima. Established between 1836 and 1842, Delphos emerged from the merger of neighboring towns and was named after the Greek god Delphus. The Miami and Erie Canal played a pivotal role in its early development, positioning it as a significant trade center in the 19th century.

Area, Population, and Coordinates

  • Area: 3.32 square miles
  • Population: 7,117 (2020 census)
  • ZIP Code: 45833
  • Latitude and Longitude: 40.8434° N, 84.3380° W

Education and Landmarks

Delphos hosts both public and private educational institutions, including Delphos Jefferson High School and Delphos St. John’s Catholic High School. Landmarks of interest are the St. John’s Catholic Church and the Bredeick-Lang House, both listed on the National Register of Historic Places.

Bluffton

Overview

Bluffton is a village located in the northeastern part of Allen County, approximately 20 miles north of Lima. Founded in the mid-19th century, Bluffton has a rich history rooted in agriculture and education.

Area, Population, and Coordinates

  • Area: 3.62 square miles
  • Population: 4,125 (2020 census)
  • ZIP Code: 45817
  • Latitude and Longitude: 40.8953° N, 83.8880° W

Education and Landmarks

Bluffton is home to Bluffton University, a private liberal arts college affiliated with the Mennonite Church USA. The village features a historic downtown area with various shops and restaurants, as well as the Bluffton Public Library, serving as a community hub.

Spencerville

Overview

Spencerville is a village situated in the southwestern part of Allen County, approximately 15 miles southwest of Lima. Established in the mid-19th century, Spencerville developed as a result of the Miami and Erie Canal, which contributed to its growth as a local trade center.

Area, Population, and Coordinates

  • Area: 1.02 square miles
  • Population: 2,223 (2020 census)
  • ZIP Code: 45887
  • Latitude and Longitude: 40.7067° N, 84.3522° W

Education and Landmarks

Spencerville Local School District serves the educational needs of the village, with Spencerville High School being a central institution. The village hosts the annual Spencerville Summerfest, celebrating local culture and community spirit.

Harrod

Overview

Harrod is a small village located in the eastern part of Allen County, approximately 12 miles east of Lima. Founded in the late 19th century, Harrod has maintained its rural charm and close-knit community atmosphere.

Area, Population, and Coordinates

  • Area: 0.26 square miles
  • Population: 417 (2020 census)
  • ZIP Code: 45850
  • Latitude and Longitude: 40.7078° N, 83.9216° W

Education and Landmarks

Harrod is part of the Allen East Local School District, with Allen East High School serving the area. The village is known for its annual Harrod Pork Rind Heritage Festival, celebrating local heritage and community.

Lafayette

Overview

Lafayette is a village situated in the eastern part of Allen County, approximately 10 miles east of Lima. Incorporated in 1868, Lafayette has a history rooted in agriculture and small-scale industry.

Area, Population, and Coordinates

  • Area: 0.23 square miles
  • Population: 406 (2020 census)
  • ZIP Code: 45854
  • Latitude and Longitude: 40.7581° N, 83.9499° W

Education and Landmarks

Lafayette is served by the Allen East Local School District, with educational facilities located nearby. The village features several historic buildings and hosts community events that reflect its rich heritage.