Swatragh is a small village and townland in County Londonderry, Northern Ireland. Swatragh is on the main A29 road north of Maghera, and is situated within Mid-Ulster District. The population was 438 in the 2011 Census. The village has three churches: one Roman Catholic, one Church of Ireland, and one Presbyterian. The Catholic and Church of Ireland …Swatragh is a small village and townland in County Londonderry, Northern Ireland. Swatragh is on the main A29 road north of Maghera, and is situated within Mid-Ulster District. The population was 438 in the 2011 Census. The village has three churches: one Roman Catholic, one Church of Ireland, and one Presbyterian. The Catholic and Church of Ireland churches are listed buildings. St John's is the local primary school.