The average household size was 2.76 and the average family size was 3.13. In the borough the population was spread out, with 27.4% under the age of 18, 4.2% from 18 to 24, 25.0% from 25 to 44, 27.7% from 45 to 64, and 15.7% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 93.4 males. For every 100 females age 18 and over, there were 87.0 males. The median income for a household in the borough was $94,094, and the median income for a family was $104,033. Males had a median income of $90,941 versus $45,938 for females. The per capita income for the borough was $46,798. About 0.4% of families and 0.8% of the population were below the poverty line, including none of those under age 18 and 0.8% of those age 65 or over. Little Silver is governed under the Borough form of New Jersey municipal government, which is used in 218 of 565 municipalities statewide, making it the most common form of government in New Jersey. The governing body is comprised of a Mayor and a Borough Council, with all positions elected at-large on a partisan basis as part of the November general election. A Mayor is elected directly by the voters to a four-year term of office. The Borough Council is comprised of six members elected to serve three-year terms on a staggered basis, with two seats coming up for election each year in a three-year cycle. The Borough form of government used by Little Silver is a "weak mayor / strong council" government in which council members act as the legislative body with the mayor presiding at meetings and voting only in the event of a tie. The mayor can veto ordinances subject to an override by a two-thirds majority vote of the council. The mayor makes committee and liaison assignments for council members, and most appointments are made by the mayor with the advice and consent of the council.  , the Mayor of Little Silver is Republican Robert C. Neff Jr., whose term of office ends December 31, 2023. Members of the Borough Council are Council President Corinne Thygeson (R, 2022), Donald S. Galante (R, 2022), Christopher B. Healy (D, 2020), Michael E. Holzapfel (R, 2020), Arthur "AJ" McNally (R, 2021) and Christian M. Smith (R, 2021).