Aloha (/əˈloʊ.ə/, not /əˈloʊhɑː/) is a census-designated place and unincorporated community in Washington County, Oregon, United States. By road it is 10.9 miles (17.5 km) west of downtown Portland. As of the 2010 Census, the population was 49,425. Fire protection and EMS services are provided through Tualatin Valley Fire and Rescue.