| Official Name: | Franklin Township |
| Settlement Type: | Township |
| Unit Pref: | Imperial |
| Image Map1: | Dekalb County Illinois.png |
| Mapsize1: | 150px |
| Map Caption1: | DeKalb County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | DeKalb |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Sq Mi: | 36.25 |
| Area Land Sq Mi: | 35.87 |
| Area Water Sq Mi: | 0.38 |
| Area Water Percent: | 1.04 |
| Population As Of: | 2020 |
| Population Total: | 2231 |
| Population Density Sq Mi: | auto |
| Elevation M: | 241 |
| Elevation Ft: | 791 |
| Coordinates: | 42.1086°N -88.8819°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 60145, 60146 |
| Blank Name: | FIPS code |
| Blank Info: | 17-037-27650 |
Franklin Township is one of nineteen townships in DeKalb County, Illinois, USA. As of the 2020 census, its population was 2,231 and it contained 917 housing units.[1]
According to the 2021 census gazetteer files, Franklin Township has a total area of 36.25sqmi, of which 35.87sqmi (or 98.96%) is land and 0.38sqmi (or 1.04%) is water.[2]
As of the 2020 census there were 2,231 people, 929 households, and 622 families residing in the township. The population density was 61.55PD/sqmi. There were 917 housing units at an average density of 25.3/sqmi. The racial makeup of the township was 87.54% White, 0.72% African American, 0.45% Native American, 0.13% Asian, 0.09% Pacific Islander, 3.23% from other races, and 7.84% from two or more races. Hispanic or Latino of any race were 9.14% of the population.
There were 929 households, out of which 35.50% had children under the age of 18 living with them, 52.42% were married couples living together, 9.15% had a female householder with no spouse present, and 33.05% were non-families. 26.60% of all households were made up of individuals, and 15.50% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.92.
The township's age distribution consisted of 20.2% under the age of 18, 10.2% from 18 to 24, 20% from 25 to 44, 30.2% from 45 to 64, and 19.6% who were 65 years of age or older. The median age was 44.8 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 115.5 males.
The median income for a household in the township was $62,371, and the median income for a family was $70,625. Males had a median income of $42,132 versus $37,125 for females. The per capita income for the township was $32,220. About 21.7% of families and 17.1% of the population were below the poverty line, including 23.6% of those under age 18 and 4.5% of those age 65 or over.