| City | State | 2026 Pop. ↓ | Annual Change | Rank | Type |
|---|---|---|---|---|---|
| New York | New York | 8,546,038 | -0.45% | 1 | City |
| Chicago | Illinois | 2,727,758 | -0.14% | 2 | City |
| Philadelphia | Pennsylvania | 1,567,280 | -0.44% | 3 | City |
| Columbus | Ohio | 944,402 | 0.64% | 4 | City |
| Indianapolis | Indiana | 904,128 | 0.33% | 5 | Township |
| Hempstead | New York | 796,269 | 0.07% | 6 | Town |
| Detroit | Michigan | 650,499 | 0.22% | 7 | City |
| Milwaukee | Wisconsin | 558,949 | -0.61% | 8 | City |
| Brookhaven | New York | 497,748 | 0.27% | 9 | Town |
| Cleveland | Ohio | 361,464 | -0.59% | 10 | City |
| Islip | New York | 340,934 | 0.02% | 11 | Town |
| Cincinnati | Ohio | 315,663 | 0.41% | 12 | City |
| Pittsburgh | Pennsylvania | 308,597 | 0.31% | 13 | City |
| Oyster Bay | New York | 301,359 | 0.08% | 14 | Town |
| Madison | Wisconsin | 288,589 | 0.82% | 15 | City |
| Fort Wayne | Indiana | 277,366 | 0.79% | 16 | City |
| Buffalo | New York | 274,006 | -0.22% | 17 | City |
| Toledo | Ohio | 261,949 | -0.56% | 18 | City |
| North Hempstead | New York | 239,359 | 0.16% | 19 | Town |
| Babylon | New York | 219,919 | 0.07% | 20 | Town |
| Yonkers | New York | 212,739 | 0.06% | 21 | City |
| Huntington | New York | 206,155 | 0.13% | 22 | Town |
| Rochester | New York | 204,932 | -0.57% | 23 | City |
| Grand Rapids | Michigan | 201,357 | 0.09% | 24 | City |
| Akron | Ohio | 189,478 | -0.11% | 25 | City |
| Aurora | Illinois | 181,666 | 0.09% | 26 | City |
| Ramapo | New York | 163,287 | 1.07% | 27 | Town |
| Naperville | Illinois | 153,905 | 0.52% | 28 | City |
| Joliet | Illinois | 152,625 | 0.25% | 29 | City |
| Rockford | Illinois | 146,961 | -0.29% | 30 | City |
| Syracuse | New York | 144,220 | -0.47% | 31 | City |
| Warren | Michigan | 136,620 | -0.38% | 32 | City |
| Dayton | Ohio | 136,392 | -0.22% | 33 | City |
| Sterling Heights | Michigan | 133,851 | -0.06% | 34 | City |
| Amherst | New York | 130,132 | -0.24% | 35 | Town |
| Allentown | Pennsylvania | 126,067 | 0.02% | 36 | City |
| Ann Arbor | Michigan | 121,651 | -0.48% | 37 | City |
| Smithtown | New York | 116,900 | 0.05% | 38 | Town |
| Evansville | Indiana | 115,808 | -0.32% | 39 | City |
| Elgin | Illinois | 115,569 | 0.08% | 40 | City |
| Lansing | Michigan | 114,024 | 0.12% | 41 | City |
| Springfield | Illinois | 112,630 | -0.32% | 42 | City |
| Peoria | Illinois | 110,431 | -0.44% | 43 | City |
| Carmel | Indiana | 106,568 | 0.88% | 44 | City |
| Green Bay | Wisconsin | 106,463 | -0.2% | 45 | City |
| Fishers | Indiana | 105,932 | 1.07% | 46 | City |
| Dearborn | Michigan | 104,725 | -0.84% | 47 | City |
| South Bend | Indiana | 103,218 | 0.02% | 48 | City |
| Albany | New York | 102,305 | 0.6% | 49 | City |
| Clinton | Michigan | 101,785 | 0.41% | 50 | Township |
| Canton | Michigan | 99,990 | 0.28% | 51 | Township |
| Kenosha | Wisconsin | 99,102 | -0.14% | 52 | City |
| Macomb | Michigan | 96,318 | 1.28% | 53 | Township |
| Reading | Pennsylvania | 96,019 | 0.2% | 54 | City |
| Greenburgh | New York | 94,850 | 0.33% | 55 | Town |
| Greece | New York | 94,370 | -0.12% | 56 | Town |
| Livonia | Michigan | 91,948 | -0.71% | 57 | City |
| Champaign | Illinois | 91,753 | 0.61% | 58 | City |
| Erie | Pennsylvania | 91,194 | -0.7% | 59 | City |
| Clarkstown | New York | 89,943 | 0.32% | 60 | Town |
| Troy | Michigan | 89,008 | 0.31% | 61 | City |
| Cheektowaga | New York | 88,117 | -0.05% | 62 | Town |
| Waukegan | Illinois | 87,705 | -0.27% | 63 | City |
| Colonie | New York | 87,246 | 0.47% | 64 | Town |
| New Rochelle | New York | 87,229 | 1.59% | 65 | City |
| Upper Darby | Pennsylvania | 85,405 | -0.06% | 66 | Township |
| Bloomington | Indiana | 83,932 | 0.75% | 67 | City |
| Farmington Hills | Michigan | 83,150 | -0.17% | 68 | City |
| Westland | Michigan | 81,665 | -0.81% | 69 | City |
| Cicero | Illinois | 81,153 | -0.86% | 70 | Town |
| Shelby | Michigan | 80,743 | 0.41% | 71 | Township |
| Bethlehem | Pennsylvania | 80,563 | 1.15% | 72 | City |
| Wyoming | Michigan | 78,960 | 0.47% | 73 | City |
| Flint | Michigan | 78,929 | -0.48% | 74 | City |
| Bloomington | Illinois | 78,861 | 0.07% | 75 | City |
| Parma | Ohio | 78,042 | -0.69% | 76 | City |
| Rochester Hills | Michigan | 77,869 | 0.43% | 77 | City |
| Racine | Wisconsin | 77,862 | -0.06% | 78 | City |
| Noblesville | Indiana | 77,376 | 1.66% | 79 | City |
| Schaumburg | Illinois | 76,918 | -0.43% | 80 | Village |
| Evanston | Illinois | 76,028 | -0.46% | 81 | City |
| Southfield | Michigan | 76,019 | -0.12% | 82 | City |
| Arlington Heights | Illinois | 75,772 | -0.58% | 83 | Village |
| Scranton | Pennsylvania | 75,392 | -0.16% | 84 | City |
| Appleton | Wisconsin | 75,367 | -0.11% | 85 | City |
| Hammond | Indiana | 75,276 | -0.58% | 86 | City |
| Bolingbrook | Illinois | 75,040 | 0.32% | 87 | Village |
| Eau Claire | Wisconsin | 73,134 | 0.92% | 88 | City |
| Kalamazoo | Michigan | 72,527 | -0.21% | 89 | City |
| Southampton | New York | 72,137 | 0.75% | 90 | Town |
| Mount Vernon | New York | 71,952 | -0.49% | 91 | City |
| Lafayette | Indiana | 71,318 | 0.11% | 92 | City |
| Waukesha | Wisconsin | 70,894 | 0.03% | 93 | City |
| Tonawanda | New York | 70,595 | -0.36% | 94 | Town |
| Greenwood | Indiana | 70,440 | 1.57% | 95 | City |
| Westfield | Indiana | 70,232 | 6% | 96 | City |
| Waterford | Michigan | 70,075 | 0.22% | 97 | Township |
| Schenectady | New York | 70,055 | 0.84% | 98 | City |
| Canton | Ohio | 68,638 | -0.53% | 99 | City |
| Novi | Michigan | 67,518 | 0.3% | 100 | City |
| Oshkosh | Wisconsin | 67,507 | 0.07% | 101 | City |
| Decatur | Illinois | 67,179 | -1.04% | 102 | City |
| Janesville | Wisconsin | 67,140 | 0.32% | 103 | City |
| Gary | Indiana | 66,934 | -0.53% | 104 | City |
| West Bloomfield | Michigan | 66,232 | 0.28% | 105 | Township |
| Skokie | Illinois | 66,099 | -0.67% | 106 | Village |
| Muncie | Indiana | 65,508 | 0.06% | 107 | City |
| Lorain | Ohio | 65,435 | 0.11% | 108 | City |
| Palatine | Illinois | 65,411 | -0.65% | 109 | Village |
| Lower Merion | Pennsylvania | 64,977 | 0.44% | 110 | Township |
| Hamilton | Ohio | 64,817 | 0.27% | 111 | City |
| White Plains | New York | 63,647 | 1.23% | 112 | City |
| Bensalem | Pennsylvania | 62,648 | -0.22% | 113 | Township |
| Utica | New York | 62,511 | -0.74% | 114 | City |
| Pontiac | Michigan | 62,080 | 0% | 115 | City |
| Hamburg | New York | 61,104 | 0.55% | 116 | Town |
| Taylor | Michigan | 60,820 | -0.75% | 117 | City |
| Kokomo | Indiana | 60,116 | 0.2% | 118 | City |
| Dearborn Heights | Michigan | 60,109 | -0.91% | 119 | City |
| Hempstead | New York | 60,048 | 0.38% | 120 | Village |
| West Allis | Wisconsin | 59,994 | -0.21% | 121 | City |
| Clay | New York | 59,078 | -0.35% | 122 | Town |
| Terre Haute | Indiana | 58,797 | 0.06% | 123 | City |
| Youngstown | Ohio | 58,553 | -0.47% | 124 | City |
| Abington | Pennsylvania | 58,547 | -0.19% | 125 | Township |
| Lancaster | Pennsylvania | 58,435 | 0.12% | 126 | City |
| Des Plaines | Illinois | 58,378 | -0.67% | 127 | City |
| Springfield | Ohio | 58,289 | 0.01% | 128 | City |
| Orland Park | Illinois | 57,819 | -0.23% | 129 | Village |
| St. Clair Shores | Michigan | 57,643 | -0.4% | 130 | City |
| Royal Oak | Michigan | 57,472 | -0.19% | 131 | City |
| Kettering | Ohio | 57,257 | -0.24% | 132 | City |
| Anderson | Indiana | 56,404 | 0.45% | 133 | City |
| Oak Lawn | Illinois | 56,057 | -0.7% | 134 | Village |
| Georgetown | Michigan | 55,815 | 0.24% | 135 | Township |
| Lower Paxton | Pennsylvania | 55,632 | 0.12% | 136 | Township |
| Mount Prospect | Illinois | 55,092 | -0.55% | 137 | Village |
| Jeffersonville | Indiana | 54,998 | 1.6% | 138 | City |
| Tinley Park | Illinois | 54,896 | -0.44% | 139 | Village |
| Kentwood | Michigan | 54,845 | 0.13% | 140 | City |
| Berwyn | Illinois | 54,539 | -0.84% | 141 | City |
| Bristol | Pennsylvania | 54,164 | 0.19% | 142 | Township |
| Elkhart | Indiana | 54,082 | -0.02% | 143 | City |
| Wheaton | Illinois | 53,932 | -0.25% | 144 | City |
| Union | New York | 53,848 | -0.23% | 145 | Town |
| Elyria | Ohio | 53,817 | 0.34% | 146 | City |
| Ypsilanti | Michigan | 53,404 | -0.59% | 147 | Township |
| Normal | Illinois | 53,329 | 0.1% | 148 | Town |
| Columbus | Indiana | 53,067 | 0.78% | 149 | City |
| Millcreek | Pennsylvania | 52,480 | -0.38% | 150 | Township |
| Oak Park | Illinois | 52,421 | -0.76% | 151 | Village |
| Middletown | Ohio | 52,411 | 0.51% | 152 | City |
| Battle Creek | Michigan | 51,887 | -0.26% | 153 | City |
| Newark | Ohio | 51,765 | 0.57% | 154 | City |
| Rye | New York | 51,339 | 2.66% | 155 | Town |
| Mishawaka | Indiana | 51,189 | -0.07% | 156 | City |
| Plainfield | Illinois | 51,010 | 1.93% | 157 | Village |
| Haverford | Pennsylvania | 50,980 | -0.03% | 158 | Township |
| Cuyahoga Falls | Ohio | 50,924 | -0.1% | 159 | City |
| Troy | New York | 50,787 | -0.25% | 160 | City |
| Orangetown | New York | 50,676 | 0.59% | 161 | Town |
| Lawrence | Indiana | 50,650 | 0.46% | 162 | City |
| Harrisburg | Pennsylvania | 50,644 | 0.24% | 163 | City |
| Hoffman Estates | Illinois | 50,497 | -0.71% | 164 | Village |
| Downers Grove | Illinois | 50,404 | 0.08% | 165 | Village |
| La Crosse | Wisconsin | 50,376 | -0.8% | 166 | City |
| Palm Tree | New York | 50,080 | 6.22% | 167 | Town |
| Irondequoit | New York | 50,060 | -0.24% | 168 | Town |
| Portage | Michigan | 50,041 | 0.36% | 169 | City |
For this list, the Rust Belt Region is defined as the 8 states of Illinois, Indiana, Michigan, New York, Ohio, Pennsylvania, West Virginia and Wisconsin.