Campus is a village in Round Grove Township, Livingston County, Illinois, United States. A small portion of the village lies in Broughton Township, Livingston County, Illinois to the south. The population was 145 at the 2000 census.
Campus is located at 41°1′25″N 88°18′23″W / 41.02361°N 88.30639°W / 41.02361; -88.30639 (41.023691, -88.306503).
According to the 2010 census, Campus has a total area of 0.09 square miles (0.23 km), all land.
As of the census of 2000, there were 145 people, 40 households, and 31 families residing in the village. The population density was 1,459.1 people per square mile (559.8/km²). There were 45 housing units at an average density of 452.8 per square mile (173.7/km²). The racial makeup of the village was 100.00% White. Hispanic or Latino of any race were 1.38% of the population.
There were 40 households out of which 55.0% had children under the age of 18 living with them, 60.0% were married couples living together, 10.0% had a female householder with no husband present, and 22.5% were non-families. 15.0% of all households were made up of individuals and 7.5% had someone living alone who was 65 years of age or older. The average household size was 3.63 and the average family size was 4.10.
In the village, the population was spread out with 42.1% under the age of 18, 9.0% from 18 to 24, 32.4% from 25 to 44, 10.3% from 45 to 64, and 6.2% who were 65 years of age or older. The median age was 24 years. For every 100 females, there were 119.7 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the village was $47,750, and the median income for a family was $49,250. Males had a median income of $36,250 versus $21,250 for females. The per capita income for the village was $19,005. There were 3.7% of families and 3.4% of the population living below the poverty line, including 7.5% of under eighteens and none of those over 64.