Chicago, on Lake Michigan in Illinois, is one among the biggest cities in the U.S close to 2.7 million people, that is estimated for 21.73% of the state population. Chicago is also the second most populated city in the US after New York City and Los Angeles. In 1916, Chicago is described as the “Chi-Town”, “Windy City”, “City of Broad Shoulders” and “Second City. It’s no wonder that Chicago is one of the excellent tourist city in the country. Chicago has many beautiful places to visit like Millennium Park, Shedd Aquarium, Art Institute of Chicago, Navy Pier, Chicago Cultural Center, Chicago Lakefront Trail, Chicago Botanic Garden, and Skydeck Chicago. The community estimates of Chicago from the period of 2014-18 and from that, there is an increase of 0.0528 Million in the previous 5 years. Consequently, every year the population of the city rises approximately 0.01056 Million. By this, the people of Chicago in 2019 is forecast to be 2.7388 Million + 0.01056 Million = 2.74936 Million. Therefore, in 2019 in the predicted population in Chicago is 2.74936 Million.