Riddle, OR has a population of 1,259 and is the 13,735th largest city in the United States. The population density is 2,001 per sq mi which is 4953% higher than the Oregon average and 2109% higher than the national average. The median age in Riddle is 40 which is approximately 2% higher than the Oregon average of 39. In Riddle, 54% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 65% of Riddle residents were born in Oregon, 35% were born out of state, 0% were born outside of the United States and 0% were foreign born.