Cerro Gordo is a town in Piatt County, Illinois, United States. The population was 1,403 at the 2010 census.
Cerro Gordo is located at 39°53′28″N 88°44′0″W / 39.89111°N 88.73333°W / 39.89111; -88.73333 (39.891002, −88.733362).
According to the 2010 census, Cerro Gordo has a total area of 0.77 square miles (1.99 km), all land.
As of the census of 2000, there were 1,436 people, 560 households, and 417 families residing in the village. The population density was 1,938.0 people per square mile (749.2/km²). There were 583 housing units at an average density of 786.8 per square mile (304.2/km²). The racial makeup of the village was 99.65% White, 0.14% African American, 0.07% Asian, and 0.14% from two or more races. Hispanic or Latino of any race were 0.07% of the population.
There were 560 households out of which 37.7% had children under the age of 18 living with them, 59.1% were married couples living together, 11.8% had a female householder with no husband present, and 25.4% were non-families. 22.3% of all households were made up of individuals and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.00.
In the village, the population was spread out with 27.8% under the age of 18, 7.8% from 18 to 24, 29.4% from 25 to 44, 20.6% from 45 to 64, and 14.4% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 93.8 males. For every 100 females age 18 and over, there were 90.6 males.
The median income for a household in the village was $40,529, and the median income for a family was $45,250. Males had a median income of $34,408 versus $24,219 for females. The per capita income for the village was $16,635. About 7.4% of families and 7.1% of the population were below the poverty line, including 7.9% of those under age 18 and 8.3% of those age 65 or over.