Titusville is a city in Crawford County, Pennsylvania, United States. The population was 6,146 at the 2000 census. In 1859, oil was successfully drilled in Titusville, resulting in the birth of the modern oil industry. Titusville apartments for rent comparison page shows most up to date rent information on Titusville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.