Claim: 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.
Evidence: 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%. 2000–2018 population change in Rust Belt cities -29.3%