Silvis is a city in Rock Island County, Illinois, United States. It is part of a larger metropolitan area known as the Quad Cities. The Quad Cities Metropolitan Area is situated across four counties in Illinois and Iowa. Silvis is the first community one encounters when entering the Quad Cities from the east on Interstate 88. Four miles from the intersection of Interstate 80 and Interstate 88.
As of 2014, the population is 7,604 with 2,984 households, and 1,939 families residing in the city. The population density was 1,993.8 people per square mile (768.9/km²). There were 3,135 housing units at an average density of 859.9 per square mile (331.6/km²). The racial makeup of the city was 86.09% White, 3.45% African American, 0.47% Native American, 0.81% Asian, 6.51% from other races, and 2.67% from two or more races. Hispanic or Latino of any race were 14.36% of the population.
There were 2,984 households out of which 31.4% had children under the age of 18 living with them, 47.2% were married couples living together, 13.8% had a female householder with no husband present, and 35.0% were non-families. 30.9% of all households were made up of individuals, and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.41, and the average family size was 3.01.
In the city, the population was spread out with 25.6% under the age of 18, 8.9% aged 18 to 24, 26.9% aged 25 to 44, 22.3% aged 45 to 64, and 16.3% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 91.4 males. For every 100 females aged 18 and over, there were 86.5 males.
The median income for a household in the city was $35,047, and the median income for a family was $41,390. Males had a median income of $32,451, versus $22,050 for females. The per capita income for the city was $16,764. About 8.4% of families and 9.5% of the population were below the poverty line, including 14.9% of those under age 18 and 6.5% of those age 65 or over.