Ohio
From just over 45,000 residents in 1800, Ohio's population grew at rates of over 10% per decade (except for the 1940 census) until the 1970 census, which recorded just over 10.65 million Ohioans. Growth then slowed for the next four decades. The United States Census Bureau estimates that the population of Ohio was 11,689,442 on July 1, 2018, a 1.33% increase since the 2010 United States Census. Ohio's population growth lags that of the entire United States, and Caucasians are found in a greater density than the United States average. , Ohio's center of population is located in Morrow County, in the county seat of Mount Gilead. This is approximately south and west of Ohio's population center in 1990.
Oxford Township, Butler County, Ohio
Oxford Township, also known as the College Township, is one of thirteen townships in the county and is located in the northwestern corner of Butler County, Ohio, United States, where it meets Preble County, Ohio, and Union County, Indiana. The city of Oxford and Miami University are located here. The U.S. Census Bureau counted 23,661 inhabitants in 2010, down from 24,133 in 2000. Excluding the city of Oxford and the village of College Corner there are 2,099 residents of the unincorporated portion of Oxford Township. It comprises one full survey township (R1E T5) in the Congress Lands and is in area.