| Official Name: | Mills Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Bond County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Bond County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Bond |
| Established Title: | Settlement |
| Established Date: | November 6, 1888 |
| Area Total Sq Mi: | 36.5 |
| Area Land Sq Mi: | 36.46 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 0.11 |
| Population As Of: | 2020 |
| Population Total: | 473 |
| Population Density Sq Mi: | auto |
| Elevation M: | 154 |
| Elevation Ft: | 505 |
| Coordinates: | 38.7886°N -89.4211°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62231, 62246, 62275 |
| Blank Name: | FIPS code |
| Blank Info: | 17-005-49321 |
| Unit Pref: | Imperial |
Mills Township is one of nine townships in Bond County, Illinois, US. As of the 2020 census, its population was 473 and it contained 219 housing units.[1]
According to the 2010 census, the township has a total area of, of which (or 99.89%) is land and (or 0.11%) is water.[2]
The township contains these three cemeteries: Greene, Weinheimer and Wisetown.
As of the 2020 census there were 473 people, 200 households, and 152 families residing in the township. The population density was 12.94PD/sqmi. There were 219 housing units at an average density of 5.99/sqmi. The racial makeup of the township was 98.10% White, 0.00% African American, 0.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.85% from other races, and 1.06% from two or more races. Hispanic or Latino of any race were 2.54% of the population.
There were 200 households, out of which 25.00% had children under the age of 18 living with them, 66.00% were married couples living together, 6.50% had a female householder with no spouse present, and 24.00% were non-families. 24.00% of all households were made up of individuals, and 9.00% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.68.
The township's age distribution consisted of 20.0% under the age of 18, 9.9% from 18 to 24, 21.3% from 25 to 44, 34.2% from 45 to 64, and 14.4% who were 65 years of age or older. The median age was 41.5 years. For every 100 females, there were 108.1 males. For every 100 females age 18 and over, there were 95.3 males.
The median income for a household in the township was $84,000, and the median income for a family was $85,625. Males had a median income of $51,442 versus $32,222 for females. The per capita income for the township was $59,743. About 8.6% of families and 7.1% of the population were below the poverty line, including 12.9% of those under age 18 and none of those age 65 or over.