Greenview is a village in Menard County, Illinois, United States. The population was 862 at the 2000 census. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Greenview is located at 40°5′2″N 89°44′25″W / 40.08389°N 89.74028°W / 40.08389; -89.74028 (40.083818, -89.740274).
According to the 2010 census, Greenview has a total area of 0.85 square miles (2.20 km), all land.
As of the census of 2000, there were 862 people, 366 households, and 252 families residing in the village. The population density was 1,014.2 people per square mile (391.6/km²). There were 397 housing units at an average density of 467.1 per square mile (180.3/km²). The racial makeup of the village was 99.65% White, 0.12% African American, 0.12% Native American and 0.12% Asian. Hispanic or Latino of any race were 0.12% of the population.
There were 366 households out of which 31.4% had children under the age of 18 living with them, 52.7% were married couples living together, 12.0% had a female householder with no husband present, and 31.1% were non-families. 29.5% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.89.
In the village, the population was spread out with 24.4% under the age of 18, 9.4% from 18 to 24, 26.3% from 25 to 44, 22.0% from 45 to 64, and 17.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 95.0 males. For every 100 females age 18 and over, there were 89.5 males.
The median income for a household in the village was $39,196, and the median income for a family was $49,125. Males had a median income of $30,455 versus $24,583 for females. The per capita income for the village was $21,050. About 4.0% of families and 7.5% of the population were below the poverty line, including 13.7% of those under age 18 and 7.1% of those age 65 or over.