West Salem is a village in Edwards County, Illinois, United States. The population was 897 at the 2010 census, down from 1,001 at the 2000 census.
West Salem is located in northeastern Edwards County, 12 miles (19 km) northeast of Albion, the county seat.
According to the 2010 census, West Salem has a total area of 1.56 square miles (4.04 km), all land.
As of the census of 2000, there were 1,001 people, 422 households, and 278 families residing in the village. The population density was 642.2 people per square mile (247.7/km²). There were 462 housing units at an average density of 296.4 per square mile (114.3/km²). The racial makeup of the village was 98.80% White, 0.40% African American, 0.10% Native American, 0.10% Asian, and 0.60% from two or more races.
There were 422 households out of which 29.6% had children under the age of 18 living with them, 51.7% were married couples living together, 12.1% had a female householder with no husband present, and 33.9% were non-families. 30.6% of all households were made up of individuals and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.86.
In the village, the population was spread out with 23.7% under the age of 18, 7.5% from 18 to 24, 27.3% from 25 to 44, 21.4% from 45 to 64, and 20.2% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 94.0 males. For every 100 females age 18 and over, there were 91.5 males.
The median income for a household in the village was $27,031, and the median income for a family was $33,417. Males had a median income of $27,938 versus $20,772 for females. The per capita income for the village was $15,179. About 6.4% of families and 11.2% of the population were below the poverty line, including 17.6% of those under age 18 and 7.9% of those age 65 or over.