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Ohio is a state in the Midwestern United States. Ohio is the 34th largest (by area), the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus.

The name "Ohio" originated from Iroquois word ohi-yo’, meaning "great river" or "large creek". The state, originally partitioned from the Northwest Territory, was admitted to the Union as the 17th state (and the first under the Northwest Ordinance) on March 1, 1803. Although there are conflicting narratives regarding the origin of the nickname, Ohio is historically known as the "Buckeye State" (relating to the Ohio buckeye tree) and Ohioans are also known as "Buckeyes".

The government of Ohio is composed of the executive branch, led by the Governor; the legislative branch, which comprises the Ohio General Assembly; and the judicial branch, which is led by the Supreme Court. Currently, Ohio occupies 16 seats in the United States House of Representatives. Ohio is known for its status as both a swing state and a bellwether in national elections. Owing to its strategic electoral importance, six Presidents of the United States have called Ohio their home state.


The skyline of Columbus

The skyline of Cleveland

Geographic regions of Ohio map

The Ohio State Capitol in Columbus

Ohio Buckeyes


Population Statistics

Census Counts (April 1)
201011,536,50473.74 %308,745,538
200011,353,14074.03 %281,421,906
199010,847,11574.36 %248,790,925
198010,797,63064.77 %226,545,805
2000 to 2010 % change1.6 %489.7 %
1990 to 2010 % change6.4 %4624.1 %
1980 to 2010 % change6.8 %4636.3 %

Components of Population Change in 2014NumberRankPercent of U.S.U.S.
Net Domestic Migration-18,24343
Net International Migration17,536151.76 %995,944
Natural Increase (births minus deaths)26,766151.96 %1,363,581
Births137,99973.49 %3,957,577
Deaths111,23364.29 %2,593,996

Economy Statistics

Real Gross Domestic Product by State over Time (millions of chained 2009 dollars)Adj. Amount
RankChange Index
(YR 2009=100)
Change 2010 to 201444,14659.243

Per Capita Personal IncomeNumberRankPercent of U.S.
Per Capita Income - 2014$42,5713092.3 %
Per Capita Income - 2004 (adj. for inflation)$39,8232992.6 %
Per Capita Income - 1994 (adj. for inflation)$34,8522297.9 %
Per Capita Income - 1984 (adj. for inflation)$30,6162397.3 %
10-Year % Change6.9 %27
20-Year % Change22.1 %44
30-Year % Change39.0 %43