Fairbanks, AK has a population of 32,578 and is the 1,303rd largest city in the United States. The population density is 1,025 per sq mi which is 93073% higher than the Alaska average and 1031% higher than the national average. The median age in Fairbanks is 28 which is approximately 18% lower than the Alaska average of 34. In Fairbanks, 49% of the population over 15 years of age are married, 83% speak English and 6% speak Spanish. 31% of Fairbanks residents were born in Alaska, 58% were born out of state, 4% were born outside of the United States and 8% were foreign born.