Top 25 Counties in the U.S. ranked by Smallest Population, 2000 [If two or more counties are tied, all counties are listed alphabetically] County, State Number Rank ------------------------------------------------------- Loving, TX 67 1 Kalawao, HI 147 2 King, TX 356 3 Kenedy, TX 414 4 Arthur, NE 444 5 Petroleum, MT 493 6 McPherson, NE 533 7 San Juan, CO 558 8 Blaine, NE 583 9 Loup, NE 712 10 Thomas, NE 729 11 Borden, TX 729 11 Grant, NE 747 13 Slope, ND 767 14 Logan, NE 774 15 Hooker, NE 783 16 Hinsdale, CO 790 17 Harding, NM 810 18 Banner, NE 819 19 Mineral, CO 831 20 McMullen, TX 851 21 Kent, TX 859 22 Treasure, MT 861 23 Wheeler, NE 886 24 Roberts, TX 887 25 Source: U.S. Census Bureau, County and City Data Book: 2000, Table B-1.