States
Every county, ranked one state at a time.
Pick a state to see its map, its top five counties and what the numbers say about its water, hazards and distance from the cities. The full ranking for your state is free for an email address.
- Alabama 67 counties
- Alaska 30 boroughs and census areas
- Arizona 15 counties
- Arkansas 75 counties
- California 58 counties
- Colorado 64 counties
- Connecticut 9 planning regions
- Delaware 3 counties
- District of Columbia 1 county
- Florida 67 counties
- Georgia 159 counties
- Hawaii 5 counties
- Idaho 44 counties
- Illinois 102 counties
- Indiana 92 counties
- Iowa 99 counties
- Kansas 105 counties
- Kentucky 120 counties
- Louisiana 64 parishes
- Maine 16 counties
- Maryland 24 counties
- Massachusetts 14 counties
- Michigan 83 counties
- Minnesota 87 counties
- Mississippi 82 counties
- Missouri 115 counties
- Montana 56 counties
- Nebraska 93 counties
- Nevada 17 counties
- New Hampshire 10 counties
- New Jersey 21 counties
- New Mexico 33 counties
- New York 62 counties
- North Carolina 100 counties
- North Dakota 53 counties
- Ohio 88 counties
- Oklahoma 77 counties
- Oregon 36 counties
- Pennsylvania 67 counties
- Puerto Rico 78 municipios
- Rhode Island 5 counties
- South Carolina 46 counties
- South Dakota 66 counties
- Tennessee 95 counties
- Texas 254 counties
- Utah 29 counties
- Vermont 14 counties
- Virginia 133 counties
- Washington 39 counties
- West Virginia 55 counties
- Wisconsin 72 counties
- Wyoming 23 counties