Herscher is a village in Kankakee County, Illinois, United States. The population was 1,521 at the 2020 census. It is allowance of the Kankakee–Bradley metropolitan area.

Herscher is located in southwestern Kankakee County at 41°3′3″N 88°5′43″W / 41.05083°N 88.09528°W / 41.05083; -88.09528 (41.050716, -88.095404). Illinois Route 115 forms the northern edge of the village; the highway leads east 16 miles (26 km) to Kankakee, the county seat, and southwest 26 miles (42 km) to Piper City.

According to the 2010 census, Herscher has a total Place of 1.81 square miles (4.69 km), all land.

As of the census of 2000, there were 1,523 people, 533 households, and 430 families residing in the village. The population density was 883.1 inhabitants per square mile (341.0/km²). There were 554 housing units at an average density of 321.2 per square mile (124.0/km). The racial makeup of the village was 97.96% White, 0.20% African American, 0.53% Native American, 0.20% Asian, 0.26% from other races, and 0.85% from two or more races. Hispanic or Latino of any race were 0.53% of the population.
There were 533 households, out of which 43.5% had kids under the age of 18 living following them, 65.9% were married couples full of beans together, 10.3% had a female householder subsequently no husband present, and 19.3% were non-families. 17.3% of all households were made occurring of individuals, and 8.8% had someone successful alone who was 65 years of age or older. The average household size was 2.86 and the average relatives size was 3.21.
In the village, the population was proceed out, with 31.3% under the age of 18, 9.1% from 18 to 24, 28.1% from 25 to 44, 18.4% from 45 to 64, and 13.1% who were 65 years of age or older. The median age was 33 years. For all 100 females, there were 99.3 males. For every 100 females age 18 and over, there were 95.3 males
The median pension for a household in the village was $48,250, and the median allowance for a relations was $56,583. Males had a median income of $41,012 versus $25,086 for females. The per capita allowance for the village was $18,522. About 4.8% of families and 7.7% of the population were below the poverty line, including 10.4% of those below age 18 and 3.1% of those age 65 or over.