Ross Township, one of thirteen in the county, is located in south-central Butler County, southwest of the city of Hamilton. The population was 6,448 in 2000, up from 6,383 in 1990. It is comprised of one full survey township in the Congress Lands and originally comprised twenty-seven whole and seven fractional sections.

One of the five original townships of the county, it was erected by the Butler County Court of Quarter Sessions on May 10, 1803, with these boundaries:

Beginning on the west bank of the Miami at the northeast corner of fractional township No. 1 of the third range west of the Miami; thence west to the western boundary of the county; thence south to the southwest corner of the county; thence east with the southern boundary of the county to the Miami; thence northwestwardly up the Miami to the place of beginning.

It is bordered on the south by the Hamilton County townships of Colerain and Crosby; on the west by Morgan Township; on the northwest by Reily Township; on the north by Hanover Township; and on the east, across the Great Miami River, by St. Clair and Fairfield Townships. (Most of this area is within the city limits of Hamilton and Fairfield.)

The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1. Two are elected in the year after the presidential election and one is elected in the year before it. There is also an elected township clerk, who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election. Vacancies in the clerkship or on the board of trustees are filled by the remaining trustees.

Historic population figures

• 1820--1,665
• 1830--1,745
• 1890--1,450
• 1900--1,338
• 1910--1,276
• 1920--1,239
• 1930--1,418
• 1940--1,536
• 1950--1,984
• 1960--3,340
• 1970--3,819
• 1980--5,626
• 1990--6,377

References

• Bert S. Barlow, W.H. Todhunter, Stephen D. Cone, Joseph J. Pater, and Frederick Schneider, eds. Centennial History of Butler County, Ohio. Hamilton, Ohio: B.F. Bowen, 1905.
• Jim Blount. The 1900's: 100 Years In the History of Butler County, Ohio. Hamilton, Ohio: Past Present Press, 2000.
• Butler County Engineer's Office. Butler County Official Transportation Map, 2003. Fairfield Township, Butler County, Ohio: The Office, 2003.
• A History and Biographical Cyclopaedia of Butler County, Ohio with Illustrations and Sketches of Its Representative Men and Pioneers. Cincinnati, Ohio: Western Biographical Publishing Company, 1882. [1]
• Ohio. Secretary of State. The Ohio municipal and township roster, 2002-2003. Columbus, Ohio: The Secretary, 2003.