Grand Ronde, OR has a population of 1,598 and is the 12,341st largest city in the United States. The population density is 83 per sq mi which is 110% higher than the Oregon average and 8% lower than the national average. The median age in Grand Ronde is 47 which is approximately 21% higher than the Oregon average of 39. In Grand Ronde, 64% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 56% of Grand Ronde residents were born in Oregon, 42% were born out of state, 0% were born outside of the United States and 2% were foreign born.