A valley is a relatively large hollow or depression bounded by hills or mountains on Earth's surface that is developed by stream erosion or glacial activity and that is drained externally. A basin is another hollow or depression on Earth's surface, but it has no outlet to drain the water.
Location in Allegheny County and the state of Pennsylvania. Gibsonia is an unincorporated community and census-designated place in Richland Township, Allegheny County, in the U.S. state of Pennsylvania, north of the city of Pittsburgh. It had a population of 2,733 at the 2010 Census. Its ZIP code is 15044.
Population and Household Demographics. Gibson City is a City in Ford County, Illinois with a population of 3,407. There are 1,470 households in the city with an average household size of 2.27 persons. 33.47% of households in Gibson City are renters. The median gross income for households in Gibson City is $41,598 a year, or $3,467 a month.