Little Silver was established with a Kings Land Grant in 1663 and settled in 1667. Little Silver separated from Shrewsbury Township and incorporated as a Borough by an Act of the New Jersey Legislature on March 19, 1923, from portions of Shrewsbury Township, based on the results of a referendum held on April 28, 1923.
As of the census of 2000, there were 6,170 people, 2,232 households, and 1,810 families residing in the borough. The population density was 2,226.2 people per square mile (860.0/km²). There were 2,288 housing units at an average density of 825.5/sq mi (318.9/km²). The racial makeup of the borough was 97.15% White, 0.31% African American, 0.16% Native American, 1.51% Asian, 0.02% Pacific Islander, 0.19% from other races, and 0.66% from two or more races. Hispanic or Latino of any race were 1.31% of the population.
There were 2,232 households out of which 37.9% had children under the age of 18 living with them, 72.5% were married couples living together, 7.0% had a female householder with no husband present, and 18.9% were non-families. 16.8% of all households were made up of individuals and 8.4% had someone living alone who was 65 years of age or older. 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.
The Little Silver train station is served by trains on New Jersey Transit's North Jersey Coast Line. The station is located in between two grade crossings, and trains can back up traffic when they stop at the station.
In 1984, the station building was added to the National Register of Historic Places, as building 84002754.