| Plessisville | |
| Pushpin Map: | Canada Southern Quebec |
| Pushpin Map Caption: | Location in southern Quebec. |
| Coordinates: | 46.2333°N -116°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Centre-du-Québec |
| Subdivision Type3: | RCM |
| Subdivision Name3: | L'Érable |
| Established Title1: | Constituted |
| Established Date1: | July 1, 1855 |
| Named For: | Joseph-Octave Plessis |
| Leader Title: | Mayor |
| Leader Name: | Alain Dubois |
| Leader Title1: | Federal riding |
| Leader Name1: | Mégantic—L'Érable |
| Leader Title2: | Prov. riding |
| Leader Name2: | Arthabaska |
| Area Total Km2: | 141.30 |
| Area Land Km2: | 142.75 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 2678 |
| Population As Of: | 2011 |
| Population Density Km2: | 18.8 |
| Population Blank1 Title: | Pop 2006-2011 |
| Population Blank1: | 4.7% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 1059 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | G6L 2Y7 |
| Area Code: | 819 |
| Blank Name: | Highways |
| Blank Info: | |
Plessisville was a parish municipality in the Centre-du-Québec region of Quebec. It completely surrounded the city of the same name.
In the 2021 Census of Population conducted by Statistics Canada, Plessisville had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 141.19km2, it had a population density of in 2021.[1]