Rowland Heights is an unincorporated area in and below the Puente Hills in the San Gabriel Valley, in Los Angeles County, California, United States. The population was 48,231 at the 2020 census. Rowland Heights is in the Los Angeles metropolitan area and represented by the County of Los Angeles (County Board of Supervisors) and is the largest census designated place in Los Angeles County by area and the county's fourth largest CDP by population. The area has a high Taiwanese population and was known as “Little Taipei” in the 1980s and 1990s, when it saw an influx of wealthy immigrants from Taiwan. A number of corporations, such as Newegg, FedEx, DIRECTV, and Fashion Nova, as well as other technology and import and export businesses, are located in neighboring City of Industry. Many business owners and employees reside in Rowland Heights as well as neighboring Hacienda Heights and Walnut due to their proximity. Spering's Best Places ranks Rowland Heights at #2 in "Most Comfortable Summer Cities", drawing its conclusion from income levels, housing prices, the school-district, and overall environment, as well as from the 2010 census.