The largest metro areas in 1900 (
page 56):
1. New York......4,607,804
2. Chicago........1,837,987
3. Philadelphia...1,623,149
4. Boston.........1,249,504
5. Pittsburgh.......792,968
6. St. Louis.........649,711
7. Baltimore.........577,670
8. Cincinnati........495,979
9. SF/Oakland......473,073
10. Cleveland.......420,020
11. Buffalo...........394,031
By 1910, both Minneapolis-St. Paul and Detroit would pass Metro Buffalo to leave it in 13th. The next largest metro area after Buffalo in 1910 had tripled over the previous decade: Los Angeles.