.02 Same-Sex Marriage States Definition
 
On 06/26/15, the U.S. Supreme Court ruled that the U.S. Constitution guarantees the right for same-sex couples to marry in all 50 states and that all existing bans are invalid.
 
The following states legalized same-sex marriages prior to 06/26/15:
 
State
Valid Dates and Additional Information
Alaska
10/12/2014 to present
Arizona
10/17/2014 to present
California
06/28/2013 to present
 
Also, 06/16/2008 through 11/04/2008
Colorado
10/07/2014 to present
Delaware
05/07/2013 to present
 
Civil Unions from 2012 to 07/01/2013 automatically became marriages between 07/01/2013 and 07/01/2014
District of Columbia (Washington D.C.)
03/03/2010 to present
Florida
Statewide 01/06/15 to present
 
Miami–Dade County 01/05/15 to present
Hawaii
12/02/2013 to present
Idaho
10/15/2014 to present
Illinois
Statewide 06/01/2014 to present
 
Cook County 02/22/2014 to present
 
Champaign County 02/26/2014 to present
 
Grundy County 02/27/2014 to present
 
St. Clair County 03/05/2014 to present
 
Cass County 03/05/2014 to present
 
Jackson County 03/05/2014 to present
 
Macon County 03/10/2014 to present
 
McLean County 03/24/2014 to present
 
Civil Unions from 06/01/2011 to 05/31/2014 can choose to become marriages until 06/01/2015 (Marriage date is the date of the civil union)
Indiana
10/06/2014 to present
Iowa
04/27/2009 to present
Kansas
11/12/2014 to present
Maine
12/29/2012 to present
Maryland
01/01/2013 to present
Massachusetts
05/17/2004 to present
Minnesota
08/01/2013 to present
Montana
11/19/2014 to present
Nevada
10/09/2014 to present
New Hampshire
01/01/2010 to present
 
Civil Unions from 01/01/2008 through 01/01/2010 automatically became marriages on 01/01/2011
New Jersey
10/21/2013 to present
New Mexico
Statewide 12/19/2013 to present (excluding many Native American tribes)
 
Sandoval County 02/20/2004 and 12/19/2013 to present
 
Santa Fe County 03/19/2013 to present
 
San Miguel County 08/27/2013 to present
 
Grant County 08/27/2013 to present
 
Valencia County 08/27/2013 to present
 
Los Alamos County 08/27/2013 to present
 
Taos County 08/28/2013 to present
 
Bernalillo County 08/26/2013 to present
 
Dona Ana County 08/21/2013 to present
New York
07/24/2011 to present
North Carolina
10/10/2014 to present
Oklahoma
10/06/2014 to present
Oregon
05/19/2014 to present
 
03/03/2004 through 04/20/2004
Pennsylvania
05/20/2014 to present
Rhode Island
08/01/2013 to present
Utah
10/06/2014 to present
Vermont
09/01/2009 to present
Virginia
10/06/2014 to present
Washington
12/06/2012 to present
West Virginia
10/09/2014 to present
Wisconsin
10/06/2014 to present
Wyoming
10/17/2014 to present