Hales Corners, WI has a population of 7,720 and is the 4,827th largest city in the United States. The population density is 2,416 per sq mi which is 2664% higher than the Wisconsin average and 2567% higher than the national average. The median age in Hales Corners is 46 which is approximately 16% higher than the Wisconsin average of 39. In Hales Corners, 61% of the population over 15 years of age are married, 94% speak English and 3% speak Spanish. 82% of Hales Corners residents were born in Wisconsin, 13% were born out of state, 1% were born outside of the United States and 3% were foreign born.