Wilton is a census-designated place (CDP) in Sacramento County, California, United States. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area. The population was 4,551 at the 2000 census.
Wilton is located at . According to the United States Census Bureau, the CDP has a total area of 29.6 square miles (76.7 km²), all of it land.(38.409556, -121.224264)
Some areas of Wilton are in a flood zone, you will see some water in the streets during rain season with. In 1997, in the El Nino/La Nina time period, levees broke and some homes were flooded to the rooftops.
As of the census of 2000, there were 4,551 people, 1,519 households, and 1,277 families residing in the CDP. The population density was 153.7 people per square mile (59.3/km²). There were 1,579 housing units at an average density of 53.3/sq mi (20.6/km²). The racial makeup of the CDP was 85.21% White, 1.89% African American, 1.21% Native American, 2.35% Asian, 0.20% Pacific Islander, 3.63% from other races, and 5.52% from two or more races. Hispanic or Latino of any race were 9.67% of the population.
There were 1,519 households out of which 33.6% had children under the age of 18 living with them, 74.6% were married couples living together, 6.2% had a female householder with no husband present, and 15.9% were non-families. 11.3% of all households were made up of individuals and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.97 and the average family size was 3.20.
In the CDP the population was spread out with 26.0% under the age of 18, 6.1% from 18 to 24, 24.1% from 25 to 44, 32.2% from 45 to 64, and 11.6% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 102.9 males. For every 100 females age 18 and over, there were 97.9 males.
The median income for a household in the CDP was $68,774, and the median income for a family was $76,111. Males had a median income of $54,028 versus $40,650 for females. The per capita income for the CDP was $28,568. About 2.8% of families and 3.9% of the population were below the poverty line, including 4.4% of those under age 18 and 3.3% of those over 64.
In the state legislature Wilton is located in the 1st Senate District, represented by Republican Dave Cox, and in the 15th Assembly District, represented by Republican Guy S. Houston. Federally, Wilton is located in California's 3rd congressional district, which has a Cook PVI of R +7 and is represented by Republican Dan Lungren.