| Official Name: | Tunbridge Township |
| Settlement Type: | Township |
| Unit Pref: | imperial |
| Image Map1: | Map of Illinois highlighting DeWitt County.svg |
| Mapsize1: | 150px |
| Map Caption1: | DeWitt County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | DeWitt |
| Established Title: | Established |
| Established Date: | November 2, 1858 |
| Area Total Sq Mi: | 37.44 |
| Area Land Sq Mi: | 37.42 |
| Area Water Sq Mi: | 0.02 |
| Area Water Percent: | 0.06 |
| Population As Of: | 2020 |
| Population Total: | 751 |
| Population Density Sq Mi: | auto |
| Elevation M: | 196 |
| Elevation Ft: | 643 |
| Coordinates: | 40.0928°N -89.0878°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61727, 61749 |
| Blank Name Sec1: | FIPS code |
| Blank Info Sec1: | 17-039-76342 |
| Blank1 Name Sec1: | GNIS feature ID |
| Blank1 Info Sec1: | 429846 |
Tunbridge Township is one of thirteen townships in DeWitt County, Illinois, USA. As of the 2020 census, its population was 751 and it contained 338 housing units.[1]
According to the 2021 census gazetteer files, Tunbridge Township has a total area of 37.44sqmi, of which 37.42sqmi (or 99.94%) is land and 0.02sqmi (or 0.06%) is water.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these five cemeteries: Hays, Old Baptist, Pleasant Valley, Randolph and Tunbridge.
As of the 2020 census there were 751 people, 394 households, and 216 families residing in the township. The population density was 20.06PD/sqmi. There were 338 housing units at an average density of 9.03/sqmi. The racial makeup of the township was 94.14% White, 0.27% African American, 0.27% Native American, 0.40% Asian, 0.00% Pacific Islander, 0.80% from other races, and 4.13% from two or more races. Hispanic or Latino of any race were 2.26% of the population.
There were 394 households, out of which 14.50% had children under the age of 18 living with them, 48.22% were married couples living together, 4.06% had a female householder with no spouse present, and 45.18% were non-families. 42.90% 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 2.07 and the average family size was 2.71.
The township's age distribution consisted of 9.7% under the age of 18, 2.3% from 18 to 24, 18.8% from 25 to 44, 46.8% from 45 to 64, and 22.4% who were 65 years of age or older. The median age was 59.4 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 109.1 males.
The median income for a household in the township was $70,595, and the median income for a family was $72,222. Males had a median income of $48,250 versus $9,306 for females. The per capita income for the township was $34,794. About 1.9% of families and 4.2% of the population were below the poverty line, including 0.0% of those under age 18 and 2.7% of those age 65 or over.