Manteno is a village in Kankakee County, Illinois, United States. The population was 9,204 at the 2010 census, up from 6,414 at the 2000 census. It is part of the Kankakee-Bourbonnais-Bradley Metropolitan Statistical Area.
Manteno is located in northern Kankakee County at 41°15′0″N 87°50′18″W / 41.25000°N 87.83833°W / 41.25000; -87.83833 (41.250129, -87.838282). It is bordered to the south by the village of Bourbonnais. The average elevation is 675 ft (206 m).
Interstate 57 passes through the west side of the village, with access from Exit 322. I-57 leads south 10 miles (16 km) to Kankakee, the county seat, and north 47 miles (76 km) to Chicago. Illinois Route 50 passes through the center of Manteno as Locust Street and leads north 6 miles (10 km) to Peotone and south 8 miles (13 km) to Bradley.
According to the 2010 census, Manteno has a total area of 5.014 square miles (12.99 km), of which 4.98 square miles (12.90 km) (or 99.32%) are land and 0.034 square miles (0.09 km) (or 0.68%) are water.
As of the census of 2000, there were 6,414 people, 2,578 households, and 1,789 families residing in the village. The population density was 2,143.0 people per square mile (828.2/km²). There were 2,750 housing units at an average density of 918.8 per square mile (355.1/km²). The racial makeup of the village was 97.79% White, 0.27% African American, 0.17% Native American, 0.20% Asian, 0.02% Pacific Islander, 0.98% from other races, and 0.58% from two or more races. Hispanic or Latino of any race were 2.82% of the population.
There were 2,578 households out of which 32.5% had children under the age of 18 living with them, 57.8% were married couples living together, 8.7% had a female householder with no husband present, and 30.6% were non-families. 25.6% of all households were made up of individuals and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.00.
In the village, the population was spread out with 26.3% under the age of 18, 7.3% from 18 to 24, 30.3% from 25 to 44, 21.6% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 97.5 males. For every 100 females age 18 and over, there were 93.4 males.
The median income for a household in the village was $48,599, and the median income for a family was $56,077. Males had a median income of $46,359 versus $25,675 for females. The per capita income for the village was $22,826. About 3.9% of families and 5.3% of the population were below the poverty line, including 5.8% of those under age 18 and 3.9% of those age 65 or over.