Hopewell is a village in Marshall County, Illinois, United States. The population was 410 at the 2010 census, up from 396 in 2000. It is part of the Peoria, Illinois Metropolitan Statistical Area.
Hopewell is located at 40°59′2″N 89°27′25″W / 40.98389°N 89.45694°W / 40.98389; -89.45694 (40.983848, -89.456829).
According to the 2010 census, Hopewell has a total area of 1.14 square miles (2.95 km), all land.
As of the census of 2000, there were 396 people, 140 households, and 123 families residing in the village. The population density was 352.0 people per square mile (135.3/km²). There were 142 housing units at an average density of 126.2 per square mile (48.5/km²). The racial makeup of the village was 93.74% White, 5.76% African American, 0.25% Asian, and 0.25% from two or more races. Hispanic or Latino of any race were 1.01% of the population.
There were 140 households out of which 34.3% had children under the age of 18 living with them, 82.9% were married couples living together, 2.9% had a female householder with no husband present, and 12.1% were non-families. 9.3% of all households were made up of individuals and none had someone living alone who was 65 years of age or older. The average household size was 2.83 and the average family size was 2.99.
In the village, the population was spread out with 24.7% under the age of 18, 6.1% from 18 to 24, 26.8% from 25 to 44, 36.4% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 101.4 males.
The median income for a household in the village was $63,250, and the median income for a family was $71,250. Males had a median income of $48,250 versus $24,375 for females. The per capita income for the village was $25,143. None of the population or families were below the poverty line.