U.S. Department of Commerce

Housing Patterns




Table 3-1


Table 3-1. Descriptive Statistics for Residential Segregation Indexes for American Indians and Alaska Natives: 1980, 1990, 2000
  ALL METROPOLITAN AREAS SELECTED METROPOLITAN AREAS
Weighted Average Weighted Average Minimum 25th Percentile Median 75th Percentile Maximum

Dissimilarity Index
1980 0.373 0.414 0.252 0.257 0.351 0.602 0.655
1990 0.368 0.404 0.228 0.270 0.390 0.562 0.667
2000 0.333 0.390 0.213 0.237 0.472 0.474 0.607
Percent Change
1980-1990 -1.4% -2.5% -9.3% 5.2% 10.8% -6.7% 1.8%
1990-2000 -9.5% -3.6% -6.8% -12.2% 21.3% -15.7% -9.0%
1980-2000 -10.8% -6.0% -15.5% -7.6% 34.4% -21.3% -7.4%

Isolation
1980 0.082 0.177 0.037 0.054 0.080 0.401 0.505
1990 0.102 0.188 0.050 0.079 0.107 0.349 0.463
2000 0.103 0.205 0.092 0.161 0.172 0.261 0.416
Percent Change
1980-1990 24.0% 5.9% 35.4% 46.2% 33.0% -13.0% -8.3%
1990-2000 0.8% 9.3% 85.0% 105.0% 61.0% -25.2% -10.2%
1980-2000 25.0% 15.8% 150.6% 199.8% 114.3% -34.9% -17.7%

Delta
1980 0.695 0.673 0.454 0.561 0.711 0.788 0.924
1990 0.685 0.674 0.442 0.552 0.658 0.808 0.918
2000 0.676 0.699 0.451 0.642 0.716 0.813 0.892
Percent Change
1980-1990 -1.4% 0.2% -2.6% -1.5% -7.5% 2.5% -0.7%
1990-2000 -1.4% 3.7% 2.1% 16.3% 8.8% 0.6% -2.8%
1980-2000 -2.8% 3.8% -0.5% 14.6% 0.6% 3.1% -3.5%

Absolute Centralization
1980 0.622 0.627 0.039 0.560 0.665 0.783 0.908
1990 0.619 0.646 0.059 0.583 0.603 0.828 0.904
2000 0.611 0.658 0.152 0.578 0.643 0.817 0.882
Percent Change
1980-1990 -0.5% 3.0% 50.7% 4.2% -9.3% 5.8% -0.5%
1990-2000 -1.2% 1.8% 159.5% -0.8% 6.7% -1.3% -2.4%
1980-2000 -1.7% 4.9% 291.3% 3.3% -3.3% 4.4% -2.9%

Spatial Proximity
1980 1.197 1.376 1.005 1.014 1.031 1.925 2.785
1990 1.244 1.466 1.006 1.016 1.054 2.089 3.049
2000 1.077 1.164 1.017 1.031 1.051 1.356 1.666
Percent Change
1980-1990 4.0% 6.5% 0.1% 0.2% 2.2% 8.5% 9.5%
1990-2000 -13.5% -20.6% 1.1% 1.4% -0.3% -35.1% -45.4%
1980-2000 -10.0% -15.4% 1.2% 1.6% 1.9% -29.6% -40.2%
Note: Selected Metropolitan Areas (13 of 330) are those with at least 10 tracts and 3% or 20,000 or more American Indians and Alaska Natives in 1980. Higher values indicate more segregation; the reference group is non-Hispanic Whites. Segregation estimates are weighted by size of the American Indian/Alaska Native population
Source: U.S. Census Bureau, Census 1980, 1990, and 2000 Summary File 1.
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Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: October 31, 2011