Scott County, Illinois
Scott County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 4,949, making it the fourth-least populous county in Illinois. Its county seat is Winchester.
Scott County is part of the Jacksonville, IL Micropolitan Statistical Area, which is also included in the Springfield-Jacksonville-Lincoln, IL Combined Statistical Area.
History
Scott County was formed in 1839 out of Morgan County. It was named for Scott County, Kentucky.Geography
According to the U.S. Census Bureau, the county has a total area of, of which is land and is water. The county's western boundary is formed by the Illinois River.Climate and weather
In recent years, average temperatures in the county seat of Winchester have ranged from a low of in January to a high of in July, although a record low of was recorded in January 1912 and a record high of was recorded in July 1934. Average monthly precipitation ranged from in January to in May.Major highways
Adjacent counties
Demographics
2020 census
As of the 2020 census, the county had a population of 4,949. The median age was 44.4 years. 21.9% of residents were under the age of 18 and 20.3% of residents were 65 years of age or older. For every 100 females there were 98.3 males, and for every 100 females age 18 and over there were 97.7 males age 18 and over.The racial makeup of the county was 96.3% White, 0.1% Black or African American, 0.1% American Indian and Alaska Native, 0.2% Asian, <0.1% Native Hawaiian and Pacific Islander, 0.3% from some other race, and 3.1% from two or more races. Hispanic or Latino residents of any race comprised 1.0% of the population.
<0.1% of residents lived in urban areas, while 100.0% lived in rural areas.
There were 2,102 households in the county, of which 29.5% had children under the age of 18 living in them. Of all households, 50.6% were married-couple households, 18.3% were households with a male householder and no spouse or partner present, and 24.3% were households with a female householder and no spouse or partner present. About 28.7% of all households were made up of individuals and 15.0% had someone living alone who was 65 years of age or older.
There were 2,388 housing units, of which 12.0% were vacant. Among occupied housing units, 78.8% were owner-occupied and 21.2% were renter-occupied. The homeowner vacancy rate was 1.6% and the rental vacancy rate was 8.8%.
2010 census
As of the 2010 census, there were 5,355 people, 2,214 households, and 1,516 families living in the county. The population density was. There were 2,459 housing units at an average density of. The racial makeup of the county was 98.6% white, 0.2% Asian, 0.2% American Indian, 0.2% black or African American, 0.1% from other races, and 0.7% from two or more races. Those of Hispanic or Latino origin made up 0.8% of the population. In terms of ancestry, 26.3% were German, 24.3% were American, 18.0% were English, and 16.2% were Irish.Of the 2,214 households, 32.0% had children under the age of 18 living with them, 54.7% were married couples living together, 9.1% had a female householder with no husband present, 31.5% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.89. The median age was 42.7 years.
The median income for a household in the county was $49,462 and the median income for a family was $64,412. Males had a median income of $40,781 versus $32,011 for females. The per capita income for the county was $27,530. About 6.5% of families and 9.1% of the population were below the poverty line, including 9.5% of those under age 18 and 10.2% of those age 65 or over.
Communities
City
Town
Villages
Census-designated places
Unincorporated community
Population ranking
The population ranking of the following table is based on the 2020 census of Scott County.† county seat
| Rank | Place | Municipal type | Population |
| 1 | † 'Winchester | City | 1,574 |
| 2 | Bluffs | Village | 618 |
| 3 | Manchester | Village | 265 |
| 4 | Alsey | Village | 195 |
| 5 | Glasgow | Village | 119 |
| 6 | Naples | Town | 100 |
| 7 | Exeter' | Town | 87 |