| Official Name: | Prairietown, Illinois |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Prairietown |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Madison |
| Subdivision Type3: | Township |
| Subdivision Name3: | Omphghent |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.49 |
| Area Land Km2: | 0.49 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.19 |
| Area Land Sq Mi: | 0.19 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 153 |
| Population Density Km2: | 314.48 |
| Population Density Sq Mi: | 813.83 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 577 |
| Coordinates: | 38.9664°N -89.9219°W |
| Postal Code Type: | ZIP Codes |
| Postal Code: | 62097 (Worden) 62021 (Dorsey) |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 416182 |
Prairietown is an unincorporated community and census-designated place (CDP) in Madison County, Illinois, United States. As of the 2020 census, it had a population of 153.[2] It is part of the Metro East region of Greater St. Louis.
Prairietown is in northern Madison County, 8miles southwest of Staunton, east-northeast of Alton, and northeast of St. Louis.
According to the U.S. Census Bureau, Prairietown has an area of 0.19sqmi, all land.[1] It drains to the west toward Joulters Creek and to the east toward Sherry Creek, both south-flowing tributaries of Cahokia Creek, which runs southwest to the Mississippi River.
Prairietown first appeared as a census designated place in the 2020 U.S. Census.[3]