New Kensington is a city in Westmoreland County, Pennsylvania, 18 miles northeast of Pittsburgh, on the Allegheny river. In 1900, 4,665 people lived in New Kensington, Pennsylvania; in 1910, 7,707; in 1920, 11,987 in 1930 and 24,055 in 1940, 24,055. The population was 14,701 at the 2000 census. New Kensington apartments for rent comparison page shows most up to date rent information on New Kensington apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.