Houlton, WI has a population of 233 and is the 23,755th largest city in the United States. The population density is 228 per sq mi which is 161% higher than the Wisconsin average and 152% higher than the national average. The median age in Houlton is 52 which is approximately 34% higher than the Wisconsin average of 39. In Houlton, 47% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 43% of Houlton residents were born in Wisconsin, 57% were born out of state, 0% were born outside of the United States and 0% were foreign born.