Elwood is a village in Will County, Illinois, United States. The population was 2,279 at the 2010 United States Census.
Elwood is located at 41°24′49″N 88°6′38″W / 41.41361°N 88.11056°W / 41.41361; -88.11056 (41.413615, -88.110438). The nearest major highways are Interstate 80 to the north and Interstate 55 to the west. The former Route 66 highway passes through the village on the east side. According to the 2010 census, Elwood has a total area of 6.53 square miles (16.91 km), all land.
As of the 2010 United States Census, there were 2,279 people, 880 households, and 630 families residing in the village. The racial makeup of the village was 94.9 percent White, 1.5 percent African American, 0.1 percent Native American, 0.5 percent Asian, 0.06 percent Pacific Islander, 2.2 percent from other races, and 0.8 percent from two or more races. Hispanics and Latinos of any race were 6.3 percent of the population.
There were 880 households out of which 35.2 percent had children under the age of 18 living within, 58.3 percent were husband-wife family living together, 9.2 percent had a female householder with no husband present, and 28.4 percent were non-families. 24.1 percent of all households were made up of individuals and 28.4 percent 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 3.08.
In the village, the age distribution of the population shows 25.5 percent under the age of 18 and 15.4 percent who were 65 years of age or older. The median age was 37.8 years. 50.8 percent of the populations was female while 49.8 percent was male.
The median income for a household in the village was $78,515 USD, and the median income for a family was $83,698. Males had a median income of $68,500 versus $38,299 for females. The per capita income for the village was $30,223. About 6.5 percent of families and 8.5 percent of the population were below the poverty line, including 12.2 percent of those under age 18 and 8.2 percent of those age 65 or over.