Colonville is a mostly historical settlement in the township at. Storekeeper Curtis Palmer was the first postmaster of a rural post office here, which operated from December 4, 1894, until January 15, 1904.
The city of Clare is to the southwest, and the Clare ZIP code 48617 serves most of Sheridan Township.
Geography
Sheridan Township occupies the southeastern corner of Clare County and is bordered to the east by Gladwin County and to the south by Isabella County. According to the United States Census Bureau, the township has a total area of, of which is land and, or 0.95%, is water. The South Branch of the Tobacco River flows from west to east across the southern part of the township.
Demographics
As of the census of 2000, there were 1,588 people, 482 households, and 382 families residing in the township. The population density was 43.7 per square mile. There were 569 housing units at an average density of 15.7 per square mile. The racial makeup of the township was 97.61% White, 0.57% African American, 0.76% Native American, 0.06% Asian, 0.06% from other races, and 0.94% from two or more races. Hispanic or Latino of any race were 0.88% of the population. There were 482 households out of which 45.2% had children under the age of 18 living with them, 66.0% were married couplesliving together, 8.7% had a female householder with no husband present, and 20.7% were non-families. 16.8% of all households were made up of individuals and 6.8% had someone living alone who was 65 years of age or older. The average household size was 3.28 and the average family size was 3.72. In the township the population was spread out with 37.0% under the age of 18, 9.3% from 18 to 24, 28.4% from 25 to 44, 17.5% from 45 to 64, and 7.8% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 94.6 males. For every 100 females age 18 and over, there were 95.3 males. The median income for a household in the township was $32,069, and the median income for a family was $34,107. Males had a median income of $28,300 versus $22,841 for females. The per capita income for the township was $12,163. About 17.9% of families and 22.2% of the population were below the poverty line, including 31.7% of those under age 18 and 24.6% of those age 65 or over.
