| Official Name: | Kewanee Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Henry County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Henry County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Henry |
| Established Title: | Established |
| Established Date: | November 4, 1856 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.18 |
| Area Land Sq Mi: | 36.17 |
| Area Water Sq Mi: | 0.02 |
| Area Water Percent: | 0.05 |
| Population As Of: | 2010 |
| Population Total: | 9800 |
| Population Density Sq Mi: | auto |
| Elevation M: | 225 |
| Elevation Ft: | 738 |
| Coordinates: | 41.2808°N -89.9164°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | 61443 |
| Blank Name: | FIPS code |
| Blank Info: | 17-073-39740 |
Kewanee Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2020 census, its population was 9,800 and it contained 4,464 housing units.[1]
According to the 2021 census gazetteer files, Kewanee Township has a total area of 36.18sqmi, of which 36.17sqmi (or 99.95%) is land and 0.02sqmi (or 0.05%) is water.[2]
The township contains these eight cemeteries: Garden of Peace, Mount Olivet, Old Kewanee Public, Orthodox, Pace, Pleasant View, Saint Michael and South Pleasant View.
As of the 2020 census there were 9,800 people, 4,015 households, and 2,469 families residing in the township. The population density was 270.85PD/sqmi. There were 4,464 housing units at an average density of 123.38/sqmi. The racial makeup of the township was 75.40% White, 7.64% African American, 0.29% Native American, 0.23% Asian, 0.06% Pacific Islander, 8.09% from other races, and 8.29% from two or more races. Hispanic or Latino of any race were 15.96% of the population.
There were 4,015 households, out of which 29.10% had children under the age of 18 living with them, 41.20% were married couples living together, 12.58% had a female householder with no spouse present, and 38.51% were non-families. 34.50% of all households were made up of individuals, and 13.50% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.04.
The township's age distribution consisted of 27.0% under the age of 18, 7.2% from 18 to 24, 22.5% from 25 to 44, 24.6% from 45 to 64, and 18.7% who were 65 years of age or older. The median age was 37.6 years. For every 100 females, there were 102.0 males. For every 100 females age 18 and over, there were 102.3 males.
The median income for a household in the township was $35,979, and the median income for a family was $43,919. Males had a median income of $34,961 versus $25,336 for females. The per capita income for the township was $21,112. About 19.6% of families and 28.8% of the population were below the poverty line, including 46.3% of those under age 18 and 15.5% of those age 65 or over.