|• Total||0.40 km2 (0.15 sq mi)|
|Time zone||WET (UTC+0)|
|• Summer (DST)||IST (WEST) (UTC-1)|
Residents of Williamstown entitled to vote may do so for candidates in the Castleconnell Local Electoral Area for local elections, the Limerick (Dáil Éireann constituency) for General elections, South (European Parliament constituency) for European Parliament elections, and in referenda to change the Irish Constitution. The polling station for these elections is in nearby Caherelly National School.
Williamstown Castle is included in the National Inventory of Architectural Heritage.
- Google Maps
- IreAtlas Townland Database
- Google Earth - earth.google.com
- Placenames Database of Ireland - www.logainm.ie
- Limerick County Council - Register of Electors - www.lcc.ie/ereg