| Official Name: | Larkinsburg Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Clay County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Clay County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Clay |
| Established Title: | Established |
| Established Date: | November 5, 1861 |
| Area Total Sq Mi: | 37.22 |
| Area Land Sq Mi: | 37.12 |
| Area Water Sq Mi: | 0.1 |
| Area Water Percent: | 0.27 |
| Population As Of: | 2020 |
| Population Total: | 569 |
| Population Density Sq Mi: | auto |
| Elevation M: | 152 |
| Elevation Ft: | 499 |
| Coordinates: | 38.8833°N -126°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62426, 62838, 62858 |
| Blank Name: | FIPS code |
| Blank Info: | 17-025-42158 |
| Unit Pref: | Imperial |
Larkinsburg Township is one of twelve townships in Clay County, Illinois, USA. As of the 2020 census, its population was 569 and it contained 279 housing units.[1]
According to the 2010 census, the township (T5N R5E) has a total area of, of which (or 99.73%) is land and (or 0.27%) is water.[2]
The township contains these eight cemeteries: Burge, Fender, Iola, Keen Chapel, Littleton, Price, Rodgers and Woods.
As of the 2020 census there were 569 people, 255 households, and 220 families residing in the township. The population density was 15.29PD/sqmi. There were 279 housing units at an average density of 7.5/sqmi. The racial makeup of the township was 95.43% White, 0.00% African American, 0.18% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.53% from other races, and 3.87% from two or more races. Hispanic or Latino of any race were 0.70% of the population.
There were 255 households, out of which 50.20% had children under the age of 18 living with them, 71.37% were married couples living together, 13.33% had a female householder with no spouse present, and 13.73% were non-families. 12.50% of all households were made up of individuals, and 8.60% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 2.95.
The township's age distribution consisted of 34.5% under the age of 18, 2.3% from 18 to 24, 30.3% from 25 to 44, 13.7% from 45 to 64, and 19.2% who were 65 years of age or older. The median age was 27.8 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 108.2 males.
The median income for a household in the township was $44,375, and the median income for a family was $45,160. Males had a median income of $24,132 versus $21,161 for females. The per capita income for the township was $16,847. About 30.5% of families and 29.2% of the population were below the poverty line, including 31.7% of those under age 18 and 8.2% of those age 65 or over.