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Morrow County, Ohio facts for kids

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Morrow County
Morrow County Courthouse
Official seal of Morrow County
Map of Ohio highlighting Morrow County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Country  United States
State  Ohio
Founded March 1, 1848
Named for Jeremiah Morrow
Seat Mount Gilead
Largest village Mount Gilead
 • Total 407 sq mi (1,050 km2)
 • Land 406 sq mi (1,050 km2)
 • Water 1.1 sq mi (3 km2)  0.3%%
 • Total 34,950
 • Density 85.87/sq mi (33.16/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 12th
Old Morrow County Jail

Morrow County is a county located in the central portion of the U.S. state of Ohio. As of the 2020 census, the population was 34,950. Its county seat is Mount Gilead. The county was organized in 1848 from parts of four neighboring counties and named for Jeremiah Morrow who was the Governor of Ohio from 1822 to 1826. Shawnee people used the area for hunting purposes before white settlers arrived in the early 19th century.

Morrow County is included in the Columbus, OH Metropolitan Statistical Area.

In 2010, the center of population of Ohio was located in Morrow County, near the village of Marengo.

Morrow County's historic World War I Victory Shaft, unique in the United States, is located in the center of downtown Mount Gilead. Other areas interesting to the tourist include: Mount Gilead State Park; Amish farms and businesses near Johnsville and Chesterville; the Mid-Ohio Sports Car Course near Steam Corners; the rolling Allegheny foothills of eastern Morrow County; the site of the birthplace of President Warren G. Harding near Blooming Grove; the site of the former Ohio Central College in Iberia; the early 19th-century architecture of buildings in Chesterville, Ohio; the Revolutionary War Soldiers' Memorial in Mount Gilead; the Civil War monument in Cardington; and the mid-19th-century architecture of the Morrow County Courthouse and Old Jail in Mount Gilead.


According to the U.S. Census Bureau, the county has a total area of 407 square miles (1,050 km2), of which 406 square miles (1,050 km2) is land and 1.1 square miles (2.8 km2) (0.3%) is water. Morrow County is considered to be a part of "Central Ohio."

Adjacent Counties

Water Features

Ossing Run
Ossing Run.JPG
Ossing Run is located in Cardington, Ohio
Country United States
Physical characteristics
Main source 968 ft (295 m)
40°31′23″N 82°57′05″W / 40.52306°N 82.95139°W / 40.52306; -82.95139 (Ossing Run source)
River mouth 40°29′57″N 82°56′40″W / 40.49917°N 82.94444°W / 40.49917; -82.94444 (Ossing Run mouth)
Length 1.6 mi (2.6 km)

Ossing Run is a tributary of Shaw Creek that flows through Morrow County, Ohio. Shaw Creek flows into Whetstone Creek which is located adjacent to Cardington, Ohio. The United States Geological Survey’s Geographic Names Information System (GNIS) classifies Ossing Run as a stream with an identification number of 2761345. The feature name was entered into the GNIS system in April 2014.


Historical population
Census Pop.
1850 20,280
1860 20,445 0.8%
1870 18,583 −9.1%
1880 19,072 2.6%
1890 18,120 −5.0%
1900 17,879 −1.3%
1910 16,815 −6.0%
1920 15,570 −7.4%
1930 14,489 −6.9%
1940 15,646 8.0%
1950 17,168 9.7%
1960 19,405 13.0%
1970 21,348 10.0%
1980 26,480 24.0%
1990 27,749 4.8%
2000 31,628 14.0%
2010 34,827 10.1%
2020 34,950 0.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2020

2010 census

As of the 2010 United States Census, there were 34,827 people, 12,855 households, and 9,578 families living in the county. The population density was 85.8 inhabitants per square mile (33.1/km2). There were 14,155 housing units at an average density of 34.9 per square mile (13.5/km2). The racial makeup of the county was 97.7% white, 0.3% Asian, 0.1% American Indian, 0.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population. In terms of ancestry, 30.8% were German, 16.1% were American, 14.4% were Irish, and 13.3% were English.

Of the 12,855 households, 35.1% had children under the age of 18 living with them, 59.5% were married couples living together, 9.5% had a female householder with no husband present, 25.5% were non-families, and 20.7% of all households were made up of individuals. The average household size was 2.68 and the average family size was 3.08. The median age was 39.5 years.

The median income for a household in the county was $49,891 and the median income for a family was $55,980. Males had a median income of $41,096 versus $32,911 for females. The per capita income for the county was $20,795. About 7.5% of families and 10.8% of the population were below the poverty line, including 13.9% of those under age 18 and 9.5% of those age 65 or over.





  • Bennington
  • Canaan
  • Cardington
  • Chester
  • Congress
  • Franklin
  • Gilead
  • Harmony
  • Lincoln
  • North Bloomfield
  • Perry
  • Peru
  • South Bloomfield
  • Troy
  • Washington
  • Westfield

Census-designated places

Unincorporated communities

Notable residents

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