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is a city in Providence County, Rhode Island, United States. The population was 18,928 at the 2000 census. With an area of only 1.29 square miles, it is the smallest but most densely populated city in the smallest state, and the thirty-second most densely populated incorporated place in the United States. Central Falls takes its name from a waterfall on the nearby Blackstone River.
According to the United States Census Bureau, the city has a total area of 1.3 square miles (3.3 km²), of which, 1.2 square miles (3.1 km²) of it is land and 0.1 square miles (0.2 km²) of it (6.20%) is water.