| Official Name: | Goose Lake Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Grundy County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Grundy County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Grundy |
| Established Title: | Established |
| Established Date: | September 15, 1897 |
| Area Total Sq Mi: | 29.90 |
| Area Land Sq Mi: | 24.92 |
| Area Water Sq Mi: | 4.98 |
| Area Water Percent: | 16.67 |
| Population As Of: | 2020 |
| Population Total: | 1755 |
| Population Density Sq Mi: | auto |
| Elevation M: | 157 |
| Elevation Ft: | 515 |
| Coordinates: | 41.355°N -88.3108°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 60416, 60444, 60450, 60481 |
| Blank Name: | FIPS code |
| Blank Info: | 17-063-30549 |
| Unit Pref: | Imperial |
Goose Lake Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2020 census, its population was 1,755 and it contained 811 housing units.[1]
According to the 2021 census gazetteer files, Goose Lake Township has a total area of 29.9sqmi, of which 24.92sqmi (or 83.33%) is land and 4.98sqmi (or 16.67%) is water.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these two cemeteries: Holderman and Short.
As of the 2020 census there were 1,755 people, 536 households, and 459 families residing in the township. The population density was 58.7PD/sqmi. There were 811 housing units at an average density of 27.12/sqmi. The racial makeup of the township was 94.47% White, 0.11% African American, 0.06% Native American, 0.46% Asian, 0.00% Pacific Islander, 0.68% from other races, and 4.22% from two or more races. Hispanic or Latino of any race were 3.08% of the population.
There were 536 households, out of which 28.20% had children under the age of 18 living with them, 64.18% were married couples living together, 21.46% had a female householder with no spouse present, and 14.37% were non-families. 9.90% of all households were made up of individuals, and 3.50% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.32.
The township's age distribution consisted of 13.2% under the age of 18, 2.0% from 18 to 24, 16.3% from 25 to 44, 43.3% from 45 to 64, and 25.3% who were 65 years of age or older. The median age was 54.5 years. For every 100 females, there were 113.1 males. For every 100 females age 18 and over, there were 103.9 males.
The median income for a household in the township was $111,094, and the median income for a family was $113,264. Males had a median income of $99,464 versus $63,388 for females. The per capita income for the township was $67,762. None of the population was below the poverty line.