ʻEwa Gentry is a housing development and, as Ewa Gentry, a census-designated place located in the ʻEwa District and the City& County of Honolulu on the leeward side of Oʻahu in Hawaiʻi about twelve miles from Honolulu. As of the 2010 Census, the CDP had a total population of 22,690. This area is also known as just ʻEwa. In the late 19th century to early 20th century, ʻEwa was one of the large population centers on the Island of Oʻahu, with industry focused around sugar cane production.