| Place Name | Plainfield Township |
| Place Type | Township |
| County | Will County |
| Area Code(s) | 815,779 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 82,331 |
| Majority Ethnicity | White 67.82% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 11thIllinois 14th |
| State House Districts | 97,98 |
| State Senate Districts | 49 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 67.82% |
| African American | 8.73% |
| Hispanic | 0.48% |
| Asian | 3.66% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 19.31% |