Brooklyn, WI has a population of 1,343 and is the 13,346th largest city in the United States. The population density is 1,202 per sq mi which is 1275% higher than the Wisconsin average and 1227% higher than the national average. The median age in Brooklyn is 36 which is approximately 9% lower than the Wisconsin average of 39. In Brooklyn, 68% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 81% of Brooklyn residents were born in Wisconsin, 17% were born out of state, 0% were born outside of the United States and 2% were foreign born.