Just as nearby Elmwood Park and Oak Park are named after their historic elm and oak trees, River Grove gets its two-part name first from the community's shallow, muddy Des Plaines River, and second from the majestic groves of American ash trees lining shore of the river's "bottomland." Credit goes to the village's early German and Nordic settlers who, already holding a great reverence for the "mystic ash" through old world traditions, felt that they were home again among the familiar groves of ash trees, "just like the ones they left behind." Up until the modern day extinction event of the American ash tree species 2006–2018, River Grove was the home to Cook County's second-oldest green ash with an estimated age of 240 in the "old growth" Lafrombose Woods, along with several other living examples of locally evolved white, green, black and blue ash types 110–160 years of age scattered around the village. Because the invasive Asian emerald ash borer kills off young trees long before they reach seeding age of 10, scientists theorize that the "Fraxinus/ash" species will no longer be able to germinate continued generations by 2018 within the local woods, or only 12 years after EAB was first discovered in River Grove.[4][5]
James Kirie (1911–2000), businessman and Illinois state representative, was born in River Grove.[6]
River Grove village, Illinois – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the 2020 census[11] there were 10,612 people, 3,642 households, and 2,467 families residing in the village. The population density was 4,438.31 inhabitants per square mile (1,713.64/km2). There were 4,482 housing units at an average density of 1,874.53 per square mile (723.76/km2). The racial makeup of the village was 68.33% White, 2.21% African American, 1.04% Native American, 2.25% Asian, 0.01% Pacific Islander, 14.64% from other races, and 11.52% from two or more races. Hispanic or Latino of any race were 31.54% of the population.
There were 3,642 households, out of which 30.4% had children under the age of 18 living with them, 50.11% were married couples living together, 14.11% had a female householder with no husband present, and 32.26% were non-families. 30.53% of all households were made up of individuals, and 13.51% had someone living alone who was 65 years of age or older. The average household size was 3.40 and the average family size was 2.73.
The village's age distribution consisted of 23.0% under the age of 18, 7.1% from 18 to 24, 29.1% from 25 to 44, 27% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 36.2 years. For every 100 females, there were 89.7 males. For every 100 females age 18 and over, there were 85.4 males.
The median income for a household in the village was $63,193, and the median income for a family was $74,795. Males had a median income of $47,095 versus $31,187 for females. The per capita income for the village was $27,547. About 9.0% of families and 10.0% of the population were below the poverty line, including 15.2% of those under age 18 and 7.0% of those age 65 or over.
Businesses
The hot dog stand Gene's & Jude's is located on Grand Avenue and Des Plaines River Road, specializing in a variation of Chicago-style hot dogs. In 2011, in a competition of 64 stands across the country, it was chosen by the magazine Every Day with Rachael Ray and the food blog Serious Eats as the best hot dog in America.[12]
Follett, a multi-national book services company, was based in River Grove until 2014, when the company relocated to Westchester, IL.
