- Alabama Counties (237,097)
- Alaska Counties (37,202)
- Arizona Counties (266,428)
- Arkansas Counties (146,744)
- California Counties (1,805,460)
- Colorado Counties (303,341)
- Connecticut Counties (204,453)
- Delaware Counties (49,461)
- District Of Columbia Counties (56,537)
- Florida Counties (1,155,421)
- Georgia Counties (519,624)
- Hawaii Counties (74,821)
- Idaho Counties (82,882)
- Illinois Counties (698,749)
- Indiana Counties (324,534)
- Iowa Counties (177,771)
- Kansas Counties (172,255)
- Kentucky Counties (209,833)
- Louisiana Counties (248,437)
- Maine Counties (73,167)
- Maryland Counties (310,575)
- Massachusetts Counties (403,120)
- Michigan Counties (479,148)
- Minnesota Counties (302,766)
- Mississippi Counties (153,171)
- Missouri Counties (322,786)
- Montana Counties (77,768)
- Nebraska Counties (112,325)
- Nevada Counties (132,141)
- New Hampshire Counties (81,436)
- New Jersey Counties (531,417)
- New Mexico Counties (95,386)
- New York Counties (1,061,511)
- North Carolina Counties (494,961)
- North Dakota Counties (48,930)
- Ohio Counties (549,165)
- Oklahoma Counties (197,673)
- Oregon Counties (226,508)
- Pennsylvania Counties (770,442)
- Rhode Island Counties (59,478)
- South Carolina Counties (245,800)
- South Dakota Counties (62,259)
- Tennessee Counties (344,132)
- Texas Counties (1,292,784)
- Utah Counties (132,428)
- Vermont Counties (38,998)
- Virginia Counties (398,206)
- Washington Counties (377,200)
- West Virginia Counties (77,942)
- Wisconsin Counties (298,196)
- Wyoming Counties (40,839)
