Moccasin Township is one of fifteen townships in Effingham County, Illinois, USA. As of the 2020 census, its population was 528 and it contained 227 housing units.
According to the 2010 census, the township (T8N R4E) has a total area of , of which (or 99.97%) is land and (or 0.03%) is water.
The township contains these three cemeteries: Moccasin, Pleasant Grove and Saint Paul Lutheran.
As of the 2020 census there were 528 people, 105 households, and 93 families residing in the township. The population density was . There were 227 housing units at an average density of . The racial makeup of the township was 92.05% White, 0.38% African American, 0.00% Native American, 0.19% Asian, 0.19% Pacific Islander, 0.57% from other races, and 6.63% from two or more races. Hispanic or Latino of any race were 3.03% of the population.
There were 105 households, out of which 39.00% had children under the age of 18 living with them, 75.24% were married couples living together, 1.90% had a female householder with no spouse present, and 11.43% were non-families. 7.60% of all households were made up of individuals, and 3.80% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 2.97.
The township's age distribution consisted of 29.1% under the age of 18, 0.0% from 18 to 24, 17.9% from 25 to 44, 37.7% from 45 to 64, and 15.4% who were 65 years of age or older. The median age was 46.6 years. For every 100 females, there were 100.0 males. For every 100 females age 18 and over, there were 97.1 males.
The median income for a household in the township was $107,361, and the median income for a family was $108,250. Males had a median income of $80,893 versus $42,679 for females. The per capita income for the township was $69,790. About 2.2% of families and 2.4% of the population were below the poverty line, including 5.9% of those under age 18 and 0.0% of those age 65 or over.