Originally one of Ohio's largest townships by area at its inception in 1791, it was abolished in 1834 when the City of Cincinnati became coextensive with it through annexation.
[1][2][3] The boundaries were defined as:[4] Beginning at a point where the second meridian east of the town (Cincinnati) intersects the Ohio; thence down that stream about eleven miles to the first meridian east of Rapid Run; thence north to the Big Miami; thence up that stream to the south line of the military range; thence south to the place of beginning.Cincinnati Township was one of the largest townships in Ohio.
The three townships included virtually all the white residents of the Symmes Purchase; in the midst of the Northwest Indian War, conflicts with indigenous peoples continued to take place to the north until the Treaty of Greenville.
The 200 eligible voters in Riverside voted in their own precinct, still nominally in Storrs Township.
This discrepancy had been overlooked in the 1882, 1884, and 1886 redistricting acts but gave the Republicans a last-minute opportunity to invalidate the Ohio Democratic Party's newest gerrymandering scheme and gain multiple seats in the United States House of Representatives.
Today, this area encompasses most of the City of Cincinnati and most of Springfield, Colerain, Green, and Delhi townships, extending north into Butler County.