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Adams County, Ohio facts for kids

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Adams County
Adams County Courthouse
Official seal of Adams County
Map of Ohio highlighting Adams 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 July 10, 1797
Named for John Adams
Seat West Union
Largest village West Union
 • Total 586 sq mi (1,520 km2)
 • Land 584 sq mi (1,510 km2)
 • Water 2.4 sq mi (6 km2)  0.4%%
 • Total 27,477
 • Density 46.89/sq mi (18.104/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 2nd

Adams County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 27,477. Its county seat is West Union. The county is named after John Adams, the second President of the United States.


According to the U.S. Census Bureau, the county has an area of 586 square miles (1,520 km2), of which 584 square miles (1,510 km2) is land and 2.4 square miles (6.2 km2) (0.4%) is water. It includes many parks and preserves, including one of Ohio's greatest archeological wonders, the Serpent Mound at the Serpent Mound State Memorial in Locust Grove. Serpent Mound lends its name to the Serpent Mound crater, the eroded remnant of a huge ancient meteorite impact crater. Other areas of note include state parks and national forests like Edge of Appalachia, Shawnee State Park, Adams Lake Park and Robert H. Whipple State Nature Preserve.

Adjacent counties

State protected areas

  • Adams Lake State Park
  • Chaparral Prairie State Nature Preserve
  • Davis Memorial State Nature Preserve
  • Johnson Ridge State Nature Preserve
  • Lynx Prairie
  • Shoemaker State Nature Preserve
  • Whipple State Nature Preserve


Historical population
Census Pop.
1800 3,432
1810 9,434 174.9%
1820 10,406 10.3%
1830 12,281 18.0%
1840 13,183 7.3%
1850 18,883 43.2%
1860 20,309 7.6%
1870 20,750 2.2%
1880 24,005 15.7%
1890 26,093 8.7%
1900 26,328 0.9%
1910 24,755 −6.0%
1920 22,403 −9.5%
1930 20,381 −9.0%
1940 21,705 6.5%
1950 20,499 −5.6%
1960 19,982 −2.5%
1970 18,957 −5.1%
1980 24,328 28.3%
1990 25,371 4.3%
2000 27,330 7.7%
2010 28,550 4.5%
2020 27,477 −3.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2020

2010 census

As of the 2010 United States Census, 28,550 people, 11,147 households, and 7,793 families resided in the county. The population density was 48.9 inhabitants per square mile (18.9/km2). There were 12,978 housing units at an average density of 22.2 per square mile (8.6/km2). The racial makeup of the county was 97.7% white, 0.4% American Indian, 0.3% black or African American, 0.1% Asian, 0.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 0.9% of the population. In terms of ancestry, 17.6% were German, 16.5% were American, 15.3% were Irish, and 9.8% were English.

Of the 11,147 households, 33.5% had children under the age of 18 living with them, 52.2% were married couples living together, 12.1% had a female householder with no husband present, 30.1% were non-families, and 25.9% of all households were made up of individuals. The average household size was 2.53 and the average family size was 3.01. The median age was 39.6 years.

The median income for a household in the county was $32,791 and the median income for a family was $40,305. Males had a median income of $37,277 versus $25,746 for females. The per capita income for the county was $17,693. About 18.8% of families and 23.0% of the population were below the poverty line, including 30.0% of those under age 18 and 16.8% of those age 65 or over.


The Adams County Public Library serves the communities of Adams County, Ohio from its administrative location in Peebles and branches in Manchester, West Union, and Seaman.

In 2005, the library system loaned more than 264,000 items to its 14,000 cardholders. Total holdings (as of 2005) were over 101,000 volumes with over 250 periodical subscriptions.


Map of Adams County Ohio With Municipal and Township Labels
Map of Adams County, Ohio With Municipal and Township Labels



  • Bratton
  • Brush Creek
  • Franklin
  • Green
  • Jefferson
  • Liberty
  • Manchester
  • Meigs
  • Monroe
  • Oliver
  • Scott
  • Sprigg
  • Tiffin
  • Wayne
  • Winchester

Census-designated places

Other unincorporated communities

Places of interest

  • Great Serpent Mound
  • Counterfeit House in the Manchester, OH area, the only home constructed for the purposes of counterfeiting U.S. currency
  • Brushcreek Motorsports Complex


The economy of Adams County employs 10,100 people. Its largest industries are manufacturing (1,774 people), retail trade (1,618 people), and health care and social assistance (1,599 people), and the highest paying industries are utilities ($69,063), and finance and insurance ($56,938). A 2019 report identified Adams County as the poorest in Ohio with a 23.8% poverty rate and median household income of $36,320 ($16,000 less than the state average). The county also has the state's highest unemployment rate at 6.8%. Poor economic conditions led to a 2.1% decrease in the county's population during the previous five years.

Notable people

  • Cowboy Copas, country music singer
  • John Glasgow Kerr, noted physician and medical missionary; founder of the first hospital for the insane in China
  • John P. Leedom, United States congressman from Ohio and Sergeant at Arms of the United States House of Representatives
  • Daniel McCann, sold the eagle Old Abe to the 8th Wisconsin Volunteer Infantry Regiment
  • Jack Roush, founder, CEO, and co-owner of Roush Fenway Racing
  • Christopher Tolle, Known for one of his mugshots that went viral and was used in many memes throughout the U.S. The mugshot has also been shown on television shows. Here's a link to view the mugshot and article about the night it was taken.

Images for kids

See also

Kids robot.svg In Spanish: Condado de Adams (Ohio) para niños

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