Beaverville (formerly St. Marye) is a village in Beaverville Township, Iroquois County, Illinois, United States. The population was 362 at the 2010 census.
Beaverville is located in northeastern Iroquois County at 40°57′16″N 87°39′14″W / 40.95444°N 87.65389°W / 40.95444; -87.65389 (40.954567, -87.654016). It is 16 miles (26 km) northeast of Watseka, the county seat; 20 miles (32 km) southeast of Kankakee; and 7 miles (11 km) west of the Indiana border.
According to the 2010 census, Beaverville has a total area of 0.265 square miles (0.69 km), of which 0.26 square miles (0.67 km) (or 98.11%) is land and 0.005 square miles (0.01 km) (or 1.89%) is water.
As of the census of 2000, there were 391 people, 151 households, and 104 families residing in the village. The population density was 1,491.4 people per square mile (580.6/km²). There were 162 housing units at an average density of 617.9 per square mile (240.6/km²). The racial makeup of the village was 99.23% White, 0.26% Asian, 0.26% from other races, and 0.26% from two or more races. Hispanic or Latino of any race were 0.51% of the population.
There were 151 households out of which 29.8% had children under the age of 18 living with them, 51.7% were married couples living together, 10.6% had a female householder with no husband present, and 31.1% were non-families. 25.2% of all households were made up of individuals and 17.9% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.05.
In the village, the population was spread out with 27.6% under the age of 18, 8.2% from 18 to 24, 23.5% from 25 to 44, 21.5% from 45 to 64, and 19.2% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 96.5 males. For every 100 females age 18 and over, there were 87.4 males.
The median income for a household in the village was $30,833, and the median income for a family was $34,821. Males had a median income of $31,667 versus $19,792 for females. The per capita income for the village was $13,707. About 6.3% of families and 9.7% of the population were below the poverty line, including 7.8% of those under age 18 and 14.5% of those age 65 or over.