​ CHICOPEE, a city in Hampden co., Mass., on the Connecticut and Chicopee rivers, and on the Boston and Maine railroad, 3 miles N. of Springfield. It is connected with Holyoke and Springfield by electric street railway lines and contains the villages of Chicopee Falls, Willimansett, and Fairview. It is an important manufacturing city, and has fine water power, obtained from Chicopee Falls. Its manufactures include bicycles, blankets, military equipments, brass and cotton goods, machine tools, etc. It has a high school, graded public schools, public library, newspapers, several banks, etc. Pop. (1910) 25,401; (1920) 36,214.