| Official Name: | Astoria Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Fulton County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Fulton County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Fulton |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Sq Mi: | 36.62 |
| Area Land Sq Mi: | 36.19 |
| Area Water Sq Mi: | 0.43 |
| Area Water Percent: | 1.17 |
| Population As Of: | 2020 |
| Population Total: | 1248 |
| Population Density Sq Mi: | auto |
| Elevation M: | 207 |
| Elevation Ft: | 679 |
| Coordinates: | 40.2314°N -90.3994°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61484, 61501 |
| Blank Name: | FIPS code |
| Blank Info: | 17-057-02648 |
| Unit Pref: | Imperial |
Astoria Township is one of twenty-six townships in Fulton County, Illinois, USA. As of the 2020 census, its population was 1,248 and it contained 629 housing units.
According to the 2021 census gazetteer files, Astoria Township has a total area of 36.62sqmi, of which 36.19sqmi (or 98.83%) is land and 0.43sqmi (or 1.17%) is water.[1]
The township contains these five cemeteries: Astoria, Oak Grove, Salem, South Fulton and Union Chapel.
As of the 2020 census[2] there were 1,248 people, 668 households, and 367 families residing in the township. The population density was 34.08PD/sqmi. There were 629 housing units at an average density of 17.18/mi2. The racial makeup of the township was 97.68% White, 0.08% African American, 0.08% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.40% from other races, and 1.76% from two or more races. Hispanic or Latino of any race were 1.68% of the population.
There were 668 households, out of which 34.00% had children under the age of 18 living with them, 32.04% were married couples living together, 17.37% had a female householder with no spouse present, and 45.06% were non-families. 33.80% of all households were made up of individuals, and 9.90% had someone living alone who was 65 years of age or older. The average household size was 2.17 and the average family size was 2.92.
The township's age distribution consisted of 28.6% under the age of 18, 8.6% from 18 to 24, 26.4% from 25 to 44, 23.1% from 45 to 64, and 13.4% who were 65 years of age or older. The median age was 33.4 years. For every 100 females, there were 101.7 males. For every 100 females age 18 and over, there were 83.2 males.
The median income for a household in the township was $39,091, and the median income for a family was $50,282. Males had a median income of $29,914 versus $21,364 for females. The per capita income for the township was $21,338. About 15.3% of families and 15.8% of the population were below the poverty line, including 19.5% of those under age 18 and 11.3% of those age 65 or over.