Pawtucket is a city in Providence County, Rhode Island. The population was 75,604 at the 2020 census, making the city the fourth-largest in the state. Pawtucket borders Providence and East Providence to the south, Central Falls and Lincoln to the north, and North Providence to the west. The city also borders the Massachusetts municipalities of Seekonk and Attleboro.

Providence County is the most populous county in the U.S. state of Rhode Island. As of the 2020 census, the county's population was 660,741, or 60.2% of the state's population. Providence County contains the city of Providence, the state capital of Rhode Island and the county's most populous city, with an estimated 190,934 residents in 2020. Providence County is included in the Providence-Warwick, RI-MA Metropolitan Statistical Area, which in turn constitutes a portion of the greater Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area. As of 2010, the center of population in Rhode Island is located in Providence County, in the city of Cranston.