Grand Ridge is a village in LaSalle County, Illinois, United States. The population was 560 at the 2010 census, up from 546 in 2000. It is part of the Ottawa–Streator Micropolitan Statistical Area. It is a part of the geographic region known as Streatorland.
Grand Ridge is located at 41°14′4″N 88°49′57″W / 41.23444°N 88.83250°W / 41.23444; -88.83250 (41.234532, -88.832551).
According to the 2010 census, Grand Ridge has a total area of 0.46 square miles (1.19 km), all land.
As of the census of 2000, there were 546 people, 201 households, and 151 families residing in the village. The population density was 1,152.5 people per square mile (448.5/km²). There were 212 housing units at an average density of 447.5 per square mile (174.2/km²). The racial makeup of the village was 100.00% White. Hispanic or Latino of any race were 2.75% of the population.
There were 201 households out of which 35.3% had children under the age of 18 living with them, 68.2% were married couples living together, 4.5% had a female householder with no husband present, and 24.4% were non-families. 21.9% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.21.
In the village, the population was spread out with 29.1% under the age of 18, 6.8% from 18 to 24, 26.2% from 25 to 44, 22.2% from 45 to 64, and 15.8% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 85.7 males. For every 100 females age 18 and over, there were 90.6 males.
The median income for a household in the village was $45,000, and the median income for a family was $52,000. Males had a median income of $38,125 versus $30,167 for females. The per capita income for the village was $18,287. About 2.6% of families and 5.6% of the population were below the poverty line, including 3.3% of those under age 18 and 7.1% of those age 65 or over.