The township was organized and had an election on June 16, 1843, in which the first township supervisor, Daniel G. Rouse, was elected. Guerdon R. Beebee was elected treasurer, and Ephraim Huyatt was elected clerk. The growth of Marcellus township and village can be attributed to the Peninsular Railroad in the winter of 1870–1871, which created an economic boom for the area at the time.
Geography
Marcellus Township is located in the northeast corner of Cass County in southwestern Michigan. According to the United States Census Bureau, the township has a total area of, of which is land and, or 4.82%, is water. There are 15 named lakes in the township, the largest of which is Fish Lake in the northwest. The Rocky River, a tributary of the St. Joseph River, rises near the western border of the township and flows east towards Three Rivers.
Demographics
As of the census of 2000, there were 2,712 people, 1,021 households, and 752 families residing in the township. The population density was 81.4 per square mile. There were 1,186 housing units at an average density of 35.6 per square mile. The racial makeup of the township was 96.57% White, 0.81% African American, 0.52% Native American, 0.15% Asian, 0.18% from other races, and 1.77% from two or more races. Hispanic or Latino of any race were 1.14% of the population. There are no Pacific Islanders. There were 1,021 households out of which 34.6% had children under the age of 18 living with them, 59.1% were married couplesliving together, 9.7% had a female householder with no husband present, and 26.3% were non-families. 22.1% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.08. In the township the population was spread out with 27.7% under the age of 18, 8.4% from 18 to 24, 29.0% from 25 to 44, 22.3% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 98.8 males. For every 100 females age 18 and over, there were 96 males. The median income for a household in the township was $39,306, and the median income for a family was $42,560. Males had a median income of $34,773 versus $24,214 for females. The per capita income for the township was $17,442. About 9.1% of families and 12.1% of the population were below the poverty line, including 13.6% of those under age 18 and 14.1% of those age 65 or over.