Alpine, OR has a population of 131 and is the 26,130th largest city in the United States. The population density is 162 per sq mi which is 310% higher than the Oregon average and 79% higher than the national average. The median age in Alpine is 55 which is approximately 41% higher than the Oregon average of 39. In Alpine, 85% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 43% of Alpine residents were born in Oregon, 57% were born out of state, 0% were born outside of the United States and 0% were foreign born.