Cumru Township is a township in Berks County, Pennsylvania, United States. The population was 13,816 at the 2000 census. The name is Welsh in origin, likely from "Cymru" the Welsh name for Wales. Nolde Forest Environmental Education Center is in Cumru Township.
There were 5,941 households out of which 24.1% had children under the age of 18 living with them, 54.6% were married couples living together, 6.8% had a female householder with no husband present, and 35.9% were non-families. 28.8% of all households were made up of individuals and 12.5% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.81.
In the township the population was spread out with 19.0% under the age of 18, 7.1% from 18 to 24, 26.9% from 25 to 44, 27.4% from 45 to 64, and 19.7% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 92.2 males. For every 100 females age 18 and over, there were 89.5 males.
The median income for a household in the township was $50,103, and the median income for a family was $58,161. Males had a median income of $42,108 versus $27,701 for females. The per capita income for the township was $28,996. About 1.4% of families and 4.4% of the population were below the poverty line, including 3.1% of those under age 18 and 5.1% of those age 65 or over.