| Official Name: | Yorktown 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: | 35.73 |
| Area Land Sq Mi: | 35.73 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2020 |
| Population Total: | 447 |
| Population Density Sq Mi: | auto |
| Elevation M: | 192 |
| Elevation Ft: | 630 |
| Coordinates: | 41.5375°N -89.9164°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61234, 61250, 61277, 61283 |
| Blank Name: | FIPS code |
| Blank Info: | 17-073-84012 |
Yorktown Township is one of twenty-four townships in Henry County, Illinois, USA. As of the 2020 census, its population was 447 and it contained 185 housing units.[1]
According to the 2021 census gazetteer files, Yorktown Township has a total area of 35.73sqmi, all land.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these two cemeteries: Hooppole and Saint Marys.
As of the 2020 census there were 447 people, 168 households, and 114 families residing in the township. The population density was 12.51PD/sqmi. There were 185 housing units at an average density of 5.18/sqmi. The racial makeup of the township was 94.63% White, 0.89% African American, 0.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 2.91% from other races, and 1.57% from two or more races. Hispanic or Latino of any race were 3.13% of the population.
There were 168 households, out of which 32.10% had children under the age of 18 living with them, 57.14% were married couples living together, 6.55% had a female householder with no spouse present, and 32.14% were non-families. 16.70% of all households were made up of individuals, and 0.60% had someone living alone who was 65 years of age or older. The average household size was 2.95 and the average family size was 3.16.
The township's age distribution consisted of 19.6% under the age of 18, 1.6% from 18 to 24, 29.9% from 25 to 44, 33% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 43.6 years. For every 100 females, there were 129.2 males. For every 100 females age 18 and over, there were 119.9 males.
The median income for a household in the township was $91,667, and the median income for a family was $91,875. Males had a median income of $76,406 versus $28,750 for females. The per capita income for the township was $43,164. About 7.0% of families and 14.5% of the population were below the poverty line, including 7.0% of those under age 18 and none of those age 65 or over.