| State (#Parks) | National Park | Year Created | Area (mi2) | Area (km2) |
| Alaska (8) | Denali | 1917 | 9,492 | 24,585 |
| Alaska | Gates of the Arctic | 1980 | 13,238 | 39,460 |
| Alaska | Glacier Bay | 1980 | 5,130 | 13,287 |
| Alaska | Katmai | 1980 | 5,288 | 13,696 |
| Alaska | Kenai Fjords | 1980 | 1,094 | 2,833 |
| Alaska | Kobuk Valley | 1980 | 2,609 | 6,757 |
| Alaska | Lake Clark | 1980 | 6,297 | 16,308 |
| Alaska | Wrangell - St Elias | 1980 | 20,587 | 53,321 |
| American Samoa | American Samoa | 1988 | 14 | 36 |
| Arizona (3) | Grand Canyon | 1919 | 1,902 | 4,927 |
| Arizona | Petrified Forest | 1962 | 341 | 885 |
| Arizona | Saguaro | 1994 | 143 | 370 |
| Arkansas | Hot Springs | 1921 | 9 | 22 |
| California (8) | Channel Islands | 1980 | 390 | 1,010 |
| California | Death Valley | 1994 | 5,219 | 3,518 |
| California | Joshua Tree | 1994 | 1,234 | 3,196 |
| California | Kings Canyon | 1940 | 722 | 1,869 |
| California | Lassen Volcanic | 1916 | 166 | 429 |
| California | Redwood | 1968 | 176 | 455 |
| California | Sequoia | 1890 | 631 | 1,635 |
| California | Yosemite | 1890 | 1,189 | 3,081 |
| Colorado (4) | Black Canyon of the Gunnison | 1999 | 51 | 133 |
| Colorado | Great Sand Dunes | 2004 | 133 | 343 |
| Colorado | Mesa Verde | 1906 | 81 | 211 |
| Colorado | Rocky Mountain | 1915 | 415 | 1,078 |
| Florida (3) | Biscayne | 1980 | 207 | 700 |
| Florida | Dry Tortugas | 1992 | 101 | 262 |
| Florida | Everglades | 1947 | 2,357 | 6,105 |
| Hawaii (2) | Haleakala | 1916 | 46 | 118 |
| Hawaii | Hawaii Volcanoes | 1916 | 505 | 1,309 |
| Idaho | Yellowstone | 1872 | 3,470 | 8,980 |
| Kentucky | Mammoth Cave | 1941 | 83 | 214 |
| Maine | Acadia | 1919 | 47 | 123 |
| Michigan | Isle Royale | 1940 | 894 | 2,314 |
| Minnesota | Voyageurs | 1975 | 341 | 882 |
| Montana (2) | Glacier | 1910 | 1,584 | 4,101 |
| Montana | Yellowstone | 1872 | 3,470 | 8,980 |
| Nevada | Great Basin | 1986 | 120 | 312 |
| New Mexico | Carlsbad Caverns | 1930 | 73.07 | 189 |
| North Carolina | Great Smoky Mountains | 1934 | 814 | 2,108 |
| North Dakota | Theodore Roosevelt | 1978 | 110 | 285 |
| Ohio | Cuyahoga Valley | 2000 | 51 | 134 |
| Oregon | Crater Lake | 1902 | 286 | 741 |
| South Carolina | Congaree | 2003 | 33 | 88 |
| South Dakota | Badlands | 1978 | 379 | 982 |
| South Dakota (2) | Wind Cave | 1903 | 44 | 114 |
| Tennessee | Great Smoky Mountains | 1934 | 814 | 2,108 |
| Texas (2) | Big Bend | 1944 | 1,252 | 3,242 |
| Texas | Guadalupe Mountains | 1966 | 135 | 350 |
| U.S. Virgin Islands | Virgin&nbps;Islands | 1956 | 23 | 59 |
| Utah (5) | Arches | 1971 | 119 | 309 |
| Utah | Bryce Canyon | 1928 | 56 | 145 |
| Utah | Capitol Reef | 1971 | 378 | 979 |
| Utah | Canyonlands | 1964 | 527 | 1,366 |
| Utah | Zion | 1919 | 229 | 593 |
| Virginia | Shenandoah | 1935 | 311 | 805 |
| Washington (3) | Mount Rainier | 1899 | 368 | 954 |
| Washington | North Cascades | 1968 | 789 | 2,045 |
| Washington | Olympic | 1938 | 1,442 | 3,734 |
| Wyoming (2) | Grand Teton | 1929 | 484 | 1,255 |
| Wyoming | Yellowstone | 1872 | 3,470 | 8,980 |