Kell is a village in Marion County, Illinois, United States. The population was 231 at the 2000 census.
Kell is located at 38°29′27″N 88°54′22″W / 38.49083°N 88.90611°W / 38.49083; -88.90611 (38.490869, -88.906241).
According to the 2010 census, Kell has a total area of 1.012 square miles (2.62 km), of which 1.01 square miles (2.62 km) (or 99.8%) is land and 0.002 square miles (0.01 km) (or 0.2%) is water.
Kell is located near the divide between the Mississippi and Ohio Rivers. Casey Creek, a tributary of the Big Muddy and Mississippi Rivers, runs through the middle of town. Casey Creek originates just to the north of Kell. The Ohio/Mississippi divide is just east of Kell. The water tower sits atop this prominent ridge. Panther Fork, a tributary of the Little Wabash, Wabash and Ohio Rivers has its origin just over the ridge.
Kell is also located on the divide between the Big Muddy and Kaskaskia Rivers, both tributaries of the Mississippi. The divide between the Casey Creek/Big Muddy Basin and the Kaskaskia Basin is about 1,000 feet (300 m) west of town, over a rise that is barely noticeable.
As of the census of 2000, there were 231 people, 84 households, and 68 families residing in the village. The population density was 228.7 people per square mile (88.3/km²). There were 89 housing units at an average density of 88.1 per square mile (34.0/km²). The racial makeup of the village was 100.00% White.
There were 84 households out of which 35.7% had children under the age of 18 living with them, 73.8% were married couples living together, 7.1% had a female householder with no husband present, and 17.9% were non-families. 15.5% of all households were made up of individuals and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.75 and the average family size was 3.09.
In the village, the population was spread out with 27.3% under the age of 18, 6.5% from 18 to 24, 28.1% from 25 to 44, 25.1% from 45 to 64, and 13.0% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the village was $40,909, and the median income for a family was $41,719. Males had a median income of $31,806 versus $21,250 for females. The per capita income for the village was $17,002. None of the population or families were below the poverty line.