| Official Name: | Leepertown Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Bureau County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Bureau County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Bureau |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Sq Mi: | 18.45 |
| Area Land Sq Mi: | 15.63 |
| Area Water Sq Mi: | 2.82 |
| Area Water Percent: | 15.28 |
| Population As Of: | 2020 |
| Population Total: | 333 |
| Population Density Sq Mi: | auto |
| Elevation M: | 136 |
| Elevation Ft: | 446 |
| Coordinates: | 41.2839°N -89.36°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61315, 61322, 61356, 61368 |
| Blank Name: | FIPS code |
| Blank Info: | 17-011-42665 |
| Unit Pref: | Imperial |
Leepertown Township is one of twenty-five townships in Bureau County, Illinois, USA. As of the 2020 census, its population was 333 and it contained 164 housing units.[1] Leepertown Township changed its name from Leipertown Township on an unknown date.
According to the 2010 census, the township has a total area of, of which (or 84.72%) is land and (or 15.28%) is water.[2]
The township contains Greenwood Cemetery.
As of the 2020 census there were 333 people, 91 households, and 61 families residing in the township. The population density was 18.03PD/sqmi. There were 164 housing units at an average density of 8.88/sqmi. The racial makeup of the township was 86.19% White, 0.00% African American, 0.30% Native American, 0.30% Asian, 0.00% Pacific Islander, 1.20% from other races, and 12.01% from two or more races. Hispanic or Latino of any race were 9.01% of the population.
There were 91 households, out of which 25.30% had children under the age of 18 living with them, 40.66% were married couples living together, 12.09% had a female householder with no spouse present, and 32.97% were non-families. 14.30% of all households were made up of individuals, and 12.10% 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 3.10.
The township's age distribution consisted of 18.7% under the age of 18, 13.1% from 18 to 24, 23.5% from 25 to 44, 32.8% from 45 to 64, and 11.9% who were 65 years of age or older. The median age was 39.8 years. For every 100 females, there were 100.0 males. For every 100 females age 18 and over, there were 83.2 males.
The median income for a household in the township was $67,813, and the median income for a family was $72,250. Males had a median income of $41,250 versus $24,500 for females. The per capita income for the township was $27,346. About 0.0% of families and 8.5% of the population were below the poverty line, including 22.0% of those under age 18 and 3.1% of those age 65 or over.