Britt, IA has a population of 1,919 and is the 11,262nd largest city in the United States. The population density is 1,518 per sq mi which is 2679% higher than the Iowa average and 1576% higher than the national average. The median age in Britt is 47 which is approximately 24% higher than the Iowa average of 38. In Britt, 70% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 80% of Britt residents were born in Iowa, 19% were born out of state, 0% were born outside of the United States and 1% were foreign born.