 The per capita income for the township was $22,920.About 7.3% of families and 8.6% of the population were below the poverty line, including 13.9% of those under age 18 and 3.5% of those age 65 or over.Edgewater Park is governed under the Township form of New Jersey municipal government, one of 141 of 565 municipalities statewide that use this form, the second-most commonly used form of government in the state.