Fort Polk North, LA has a population of 2,406 and is the 10,046th largest city in the United States. The population density is 287 per sq mi which is 224% higher than the Louisiana average and 217% higher than the national average. The median age in Fort Polk North is 23 which is approximately 36% lower than the Louisiana average of 36. In Fort Polk North, 90% of the population over 15 years of age are married, 81% speak English and 13% speak Spanish. 13% of Fort Polk North residents were born in Louisiana, 80% were born out of state, 2% were born outside of the United States and 5% were foreign born.