Marquette, WI has a population of 144 and is the 25,801st largest city in the United States. The population density is 383 per sq mi which is 338% higher than the Wisconsin average and 323% higher than the national average. The median age in Marquette is 54 which is approximately 39% higher than the Wisconsin average of 39. In Marquette, 68% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 78% of Marquette residents were born in Wisconsin, 22% were born out of state, 0% were born outside of the United States and 0% were foreign born.