 About 1.4% of families and 2.5% of the population were below the poverty line, including 4.1% of those under age 18 and none of those age 65 or over.As of the 2000 United States Census there were 10,746 people, 4,149 households, and 2,891 families residing in the township.The population density was 1,106.5 people per square mile (427.3/km²).