Clinton, WI has a population of 2,206 and is the 10,473rd largest city in the United States. The population density is 1,541 per sq mi which is 1662% higher than the Wisconsin average and 1600% higher than the national average. The median age in Clinton is 40 which is approximately 2% higher than the Wisconsin average of 39. In Clinton, 53% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 73% of Clinton residents were born in Wisconsin, 23% were born out of state, 0% were born outside of the United States and 3% were foreign born.