Lexington, OR has a population of 188 and is the 24,724th largest city in the United States. The population density is 431 per sq mi which is 987% higher than the Oregon average and 375% higher than the national average. The median age in Lexington is 40 which is approximately 2% higher than the Oregon average of 39. In Lexington, 59% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 86% of Lexington residents were born in Oregon, 13% were born out of state, 0% were born outside of the United States and 1% were foreign born.