County Roscommon Contae Ros Comáin
Coat of arms
Country	Ireland
Province	Connacht
Dáil Éireann	Roscommon–South Leitrim
EU Parliament	North-West
County seat	Roscommon
Government
• Type	County Council
Area
• Total	2,547 km2 (983 sq mi)
• Rank	11th
Population  (2011)	64,065[1]
• Rank	27TH
Car plates	RN
Website	www.roscommoncoco.ie

County Roscommon (Irish: Contae Ros Comáin) is a county of Ireland. It is in the province of Connacht. It is named after the town of Roscommon. The population of County Roscommon was 65,065 according to the 2011 Irish Census.

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