Providence County
Providence County is one of 5 counties in Rhode Island. The county is in the Providence-New Bedford metro area.
Square miles: 413.27
Median household income: $36,950
Housing Units: 253,214
As of 2000, the population was 621,602. The estimated population in 2004 was 641,883. This was an increase of 3.26% from the 2000 census. The center of population of Rhode Island is located in Providence County, in the city of Cranston. It is the 87th most populated county in the United States.
According to the U.S. Census Bureau, the county has a total area of 436 square miles, of which, 413 square miles of it is land and 23 square miles of it (5.18%) is water.
The highest point in the county is Jerimoth Hill, also the highest in the state. Sea level is the lowest point.
Source: Wikipedia