Rust Belt recorded a 29.3% population change in Detroit Michigan which had 672,662 inhabitants in 2018 and has increased to 951,270 in 2020.
However, during the first decade of the 21st century, a negative trend persisted: Detroit lost 25.7% of its population; Gary, Indiana  22%; Youngstown, Ohio  18.9%; Flint, Michigan  18.7%; and Cleveland, Ohio  14.5%. 20002018 population change in Rust Belt cities -29.3% 
