Glenwood is located in south Washington. Glenwood is part of Klickitat County. As of 2010-2014, the total Glenwood population is 176. Glenwood median household income is $51,250 in 2010-2014. Glenwood median house value is $120,000 in 2010-2014. On average, the public school district that covers Glenwood is much better than the state average in quality. The Glenwood area code is 509.