Houston, AK has a population of 2,028 and is the 10,940th largest city in the United States. The population density is 85 per sq mi which is 7611% higher than the Alaska average and 6% lower than the national average. The median age in Houston is 37 which is approximately 9% higher than the Alaska average of 34. In Houston, 54% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 44% of Houston residents were born in Alaska, 54% were born out of state, 1% were born outside of the United States and 1% were foreign born.