| Apr. 2006 | Historical High | Historical Low | |||
| State | Rate | Date | Rate | Date | Rate |
| Hawaii | 2.80 | Mar. 1976 | 10.2 | Nov. 1989 | 2.2 |
| Florida | 3.00 | Mar. 1976 | 9.7 | Apr. 2006 | 3 |
| South Dakota | 3.00 | Oct. 1982 | 5.9 | Mar. 2000 | 2.4 |
| Wyoming | 3.20 | May-83 | 10.1 | Feb. 1979 | 1.9 |
| North Dakota | 3.30 | Mar. 1983 | 6.9 | Jan. 1998 | 2.5 |
| Vermont | 3.30 | Jun-76 | 9 | Mar. 2000 | 2.2 |
| Virginia | 3.30 | Jan. 1983 | 7.8 | Jan. 2001 | 2.2 |
| Idaho | 3.40 | Feb. 1983 | 9.4 | Mar. 2006 | 3.2 |
| Nebraska | 3.40 | Feb. 1983 | 6.8 | Feb. 1998 | 2.2 |
| New Hampshire | 3.40 | Jun-92 | 7.7 | Apr. 1987 | 1.9 |
| Maryland | 3.50 | Aug. 1982 | 8.3 | Mar. 2000 | 3.3 |
| Utah | 3.50 | Mar. 1983 | 9.7 | Apr. 1997 | 3 |
| Alabama | 3.60 | Dec. 1982 | 14.4 | Mar. 2006 | 3.3 |
| Iowa | 3.60 | May-83 | 8.5 | Jan. 2000 | 2.6 |
| Montana | 3.60 | May-83 | 8.7 | Mar. 2006 | 3.4 |
| Delaware | 3.70 | Jan. 1977 | 8.2 | Oct. 1988 | 2.9 |
| Connecticut | 3.90 | Jan. 1976 | 10 | Nov. 2000 | 2.1 |
| Oklahoma | 3.90 | Aug. 1986 | 9.4 | Jan. 2001 | 2.7 |
| Minnesota | 4.10 | Nov. 1982 | 9 | Apr. 1999 | 2.5 |
| Nevada | 4.10 | Dec. 1982 | 10.7 | Jan. 2006 | 3.6 |
| West Virginia | 4.10 | Mar. 1983 | 18.2 | Jan. 2006 | 3.8 |
| Maine | 4.20 | Mar. 1977 | 9 | Jan. 2001 | 3 |
| Arizona | 4.30 | Feb. 1983 | 11.5 | Dec. 2000 | 3.9 |
| Colorado | 4.30 | Nov. 1982 | 9.1 | Jan. 2001 | 2.5 |
| New Mexico | 4.30 | Apr. 1983 | 9.9 | Mar. 2006 | 4 |
| North Carolina | 4.30 | Feb. 1983 | 10.2 | Apr. 1999 | 3.1 |
| Georgia | 4.60 | Jan. 1983 | 8.3 | Dec. 2000 | 3.4 |
| Kansas | 4.60 | Sept. 1982 | 7.4 | Oct. 1978 | 2.9 |
| Missouri | 4.60 | Apr. 1983 | 10.5 | Jan. 2000 | 2.6 |
| Pennsylvania | 4.70 | Mar. 1983 | 12.9 | Mar. 2000 | 4 |
| Washington | 4.70 | Nov. 1982 | 12.2 | Mar. 2006 | 4.6 |
| Louisiana | 4.80 | Sept. 1986 | 12.9 | Feb. 2006 | 4.3 |
| Wisconsin | 4.80 | Jan. 1983 | 11.8 | Apr. 1999 | 2.9 |
| California | 4.90 | Feb. 1983 | 11 | Feb. 2001 | 4.7 |
| Indiana | 4.90 | Nov. 1982 | 12.8 | Apr. 1999 | 2.6 |
| Massachusetts | 4.90 | Jan. 1976 | 10.9 | Dec. 2000 | 2.7 |
| New York | 4.90 | Jul-76 | 10.5 | Apr. 1988 | 4 |
| Arkansas | 5.10 | Mar. 1983 | 10.2 | Sept. 2000 | 4.1 |
| Illinois | 5.10 | Feb. 1983 | 12.9 | Mar. 1999 | 4.1 |
| New Jersey | 5.10 | Feb. 1977 | 10.6 | Jun-00 | 3.5 |
| Texas | 5.10 | Oct. 1986 | 9.3 | Jan. 2001 | 4.3 |
| Rhode Island | 5.40 | Nov. 1982 | 9.7 | Jul-88 | 2.9 |
| Tennessee | 5.40 | Dec. 1982 | 12.4 | Mar. 2000 | 3.8 |
| District of Columbia | 5.50 | Mar. 1983 | 11.4 | Dec. 1988 | 4.8 |
| Ohio | 5.50 | Jan. 1983 | 13.8 | Mar. 2001 | 3.9 |
| Oregon | 5.50 | Nov. 1982 | 12.1 | Apr. 1995 | 4.7 |
| Kentucky | 6.10 | Dec. 1982 | 12.1 | Mar. 2000 | 4 |
| South Carolina | 6.60 | Jan. 1983 | 11.4 | Mar. 1998 | 3.1 |
| Alaska | 7.00 | Jul-86 | 11.5 | Sept. 1999 | 5.9 |
| Michigan | 7.20 | Nov. 1982 | 16.9 | Mar. 2000 | 3.2 |
| Mississippi | 7.70 | May-83 | 13.7 | Jan. 2001 | 4.9 |
Source:
