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Percent of Same-sex Couple Households, by State

The following table lists the percentage of same-sex partner households in every U.S. state according to the Census 2000, the 2010 Census and the 2010 American Community Survey. The American Community Survey (ACS) lists its estimates and its margin of error.

Area Census 2000 2010 Census Estimate (ACS 2010) Std. Err. (ACS 2010)
United States 0.563 0.773 0.518 0.006
Alabama 0.467 0.598 0.300 0.039
Alaska 0.532 0.717 0.295 0.086
Arizona 0.649 0.880 0.649 0.053
Arkansas 0.424 0.611 0.360 0.050
California 0.801 0.998 0.726 0.022
Colorado 0.606 0.817 0.618 0.053
Connecticut 0.567 0.784 0.672 0.067
Delaware 0.625 0.979 0.565 0.095
District of Columbia 1.481 1.929 1.172 0.148
Florida 0.648 0.884 0.576 0.029
Georgia 0.642 0.832 0.456 0.036
Hawaii 0.592 0.933 0.779 0.100
Idaho 0.399 0.560 0.315 0.067
Illinois 0.498 0.671 0.414 0.028
Indiana 0.437 0.657 0.402 0.038
Iowa 0.322 0.535 0.372 0.048
Kansas 0.383 0.555 0.330 0.050
Kentucky 0.447 0.673 0.405 0.041
Louisiana 0.532 0.703 0.318 0.039
Maine 0.655 0.970 0.774 0.109
Maryland 0.568 0.788 0.485 0.048
Mass 0.700 1.023 0.829 0.059
Michigan 0.406 0.562 0.389 0.028
Minnesota 0.483 0.657 0.602 0.040
Mississippi 0.456 0.563 0.258 0.048
Missouri 0.430 0.642 0.425 0.037
Montana 0.340 0.560 0.401 0.100
Nebraska 0.350 0.520 0.394 0.059
Nevada 0.662 0.926 0.551 0.072
New Hampshire 0.570 0.893 0.553 0.096
New Jersey 0.542 0.750 0.494 0.044
New Mexico 0.663 0.984 0.701 0.094
New York 0.659 0.892 0.636 0.028
North Carolina 0.517 0.728 0.474 0.033
North Dakota 0.273 0.396 0.292 0.074
Ohio 0.426 0.621 0.402 0.025
Oklahoma 0.429 0.671 0.443 0.047
Oregon 0.670 0.986 0.695 0.070
Pennsylvania 0.443 0.670 0.438 0.028
Rhode Island 0.605 0.886 0.885 0.155
South Carolina 0.496 0.640 0.318 0.041
South Dakota 0.285 0.431 0.181 0.063
Tennessee 0.456 0.655 0.400 0.040
Texas 0.580 0.756 0.493 0.024
Utah 0.481 0.662 0.447 0.055
Vermont 0.803 1.091 0.697 0.109
Virginia 0.511 0.672 0.443 0.039
Washington 0.700 0.927 0.632 0.048
West Virginia 0.396 0.686 0.311 0.054
Wisconsin 0.395 0.598 0.414 0.030
Wyoming 0.417 0.506 0.175 0.069
Source: U.S. Census Bureau, Census 2000 & 2010, and the American Community Survey 2010

Information Please® Database, © 2012 Pearson Education, Inc. All rights reserved.

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