Clogher is a village and civil parish in the border area of south County Tyrone, Northern Ireland. It lies on the River Blackwater, 5.8 miles from the border crossing to County Monaghan. It stands on the townlands of Clogher Demesne and Clogher Tenements. The 2011 Census recorded a population of 717. The civil parish of Clogher covers areas of County …Clogher is a village and civil parish in the border area of south County Tyrone, Northern Ireland. It lies on the River Blackwater, 5.8 miles from the border crossing to County Monaghan. It stands on the townlands of Clogher Demesne and Clogher Tenements. The 2011 Census recorded a population of 717. The civil parish of Clogher covers areas of County Fermanagh as well as County Tyrone.