罗兰岗(Rowland Heights)是美国加州洛杉矶县的一个未建制社区（unincorporated community）。占地约30平方公里（11.4 平方英里）。2010年统计人口为48,993。其中亚裔 为29,284人 (占59.8%) , 白人为11,506人 (占23.5%), 非裔为772人 (占1.6%), 美国原住民为175 人(占0.4%), 太平洋岛民为61人 (占0.1%) , 其他族裔为5,658人 (占11.5%), 拥有2种族裔血统的为1,537人 (占3.1%)。 西语裔或拉丁裔为13,229人(占27.0%)。

Rowland Heights is an unincorporated community and census-designated place of 13.1 square miles (34 km), located in and below the Puente Hills in the San Gabriel Valley, in Los Angeles County, California. The population of the census designated place (CDP) was 48,993 at the 2010 census, up from 48,553 at the 2000 census. Because Rowland Heights is an unincorporated community instead of an incorporated city, it is dependent upon County of Los Angeles representation (County Board of Supervisors).