Rothsville is a census-designated place (CDP), associated with the town of Lititz, PA, in Lancaster County, Pennsylvania, United States. Lititz, PA, is the town for residents' mailing addresses. The CDP is located entirely within Warwick Township. The population was 3,044 at the 2010 census.
Rothsville is located in the 17543 zip code, at 40°09′08″N 76°14′30″W / 40.152094°N 76.241775°WCoordinates: 40°09′08″N 76°14′30″W / 40.152094°N 76.241775°W.
According to the United States Census Bureau, the CDP has a total area of 2.5 square miles (6.5 km2), all of it land.
As of the census of 2000, there were 3,017 people, 1,038 households, and 852 families residing in the CDP. The population density was 1,221.1 people per square mile (471.6/km2). There were 1,060 housing units at an average density of 429.0/sq mi (165.7/km2). The racial makeup of the CDP was 95.86% White, 0.33% African American, 1.29% Asian, 0.70% from other races, and 1.82% from two or more races. Hispanic or Latino of any race were 2.92% of the population.