- Alabama Counties (237,643)
- Alaska Counties (37,173)
- Arizona Counties (265,865)
- Arkansas Counties (146,929)
- California Counties (1,804,586)
- Colorado Counties (302,899)
- Connecticut Counties (202,866)
- Delaware Counties (48,841)
- District Of Columbia Counties (56,423)
- Florida Counties (1,133,872)
- Georgia Counties (518,970)
- Hawaii Counties (74,495)
- Idaho Counties (82,957)
- Illinois Counties (699,511)
- Indiana Counties (324,438)
- Iowa Counties (177,931)
- Kansas Counties (172,717)
- Kentucky Counties (209,839)
- Louisiana Counties (247,679)
- Maine Counties (72,964)
- Maryland Counties (308,771)
- Massachusetts Counties (397,293)
- Michigan Counties (478,112)
- Minnesota Counties (302,628)
- Mississippi Counties (153,508)
- Missouri Counties (323,943)
- Montana Counties (77,568)
- Nebraska Counties (111,893)
- Nevada Counties (131,577)
- New Hampshire Counties (81,178)
- New Jersey Counties (524,351)
- New Mexico Counties (95,411)
- New York Counties (1,055,386)
- North Carolina Counties (487,642)
- North Dakota Counties (48,953)
- Ohio Counties (546,094)
- Oklahoma Counties (197,704)
- Oregon Counties (223,349)
- Pennsylvania Counties (754,634)
- Rhode Island Counties (59,506)
- South Carolina Counties (240,016)
- South Dakota Counties (62,333)
- Tennessee Counties (343,871)
- Texas Counties (1,286,518)
- Utah Counties (132,132)
- Vermont Counties (38,802)
- Virginia Counties (392,848)
- Washington Counties (367,157)
- West Virginia Counties (78,087)
- Wisconsin Counties (298,995)
- Wyoming Counties (40,851)
