Octavia, NE has a population of 132 and is the 26,120th largest city in the United States. The population density is 824 per sq mi which is 3339% higher than the Nebraska average and 810% higher than the national average. The median age in Octavia is 47 which is approximately 28% higher than the Nebraska average of 36. In Octavia, 46% of the population over 15 years of age are married, 64% speak English and 35% speak Spanish. 58% of Octavia residents were born in Nebraska, 19% were born out of state, 0% were born outside of the United States and 23% were foreign born.