U.S. Department of Commerce

Housing Patterns




Table 4-1


Table 4-1. Descriptive Statistics for Residential Segregation Indexes for Asians and Pacific Islanders: 1980, 1990, 2000
  ALL METROPOLITAN AREAS SELECTED METROPOLITAN AREAS
Weighted Average Weighted Average Minimum 25th Percentile Median 75th Percentile Maximum

Dissimilarity
1980 0.405 0.422 0.268 0.390 0.424 0.468 0.511
1990 0.412 0.424 0.252 0.379 0.443 0.463 0.551
2000 0.411 0.433 0.256 0.397 0.436 0.477 0.505
Percent Change
1980-1990 1.5% 0.4% -5.9% -2.7% 4.6% -1.2% 7.9%
1990-2000 -0.2% 2.1% 1.5% 4.5% -1.7% 3.1% -8.3%
1980-2000 1.4% 2.5% -4.5% 1.7% 2.8% 1.9% -1.1%

Isolation
1980 0.233 0.292 0.023 0.107 0.234 0.368 0.742
1990 0.264 0.330 0.054 0.157 0.328 0.405 0.750
2000 0.306 0.395 0.097 0.208 0.435 0.502 0.832
Percent Change
1980-1990 13.4% 13.0% 132.0% 46.9% 40.2% 9.9% 1.2%
1990-2000 16.0% 19.9% 81.7% 33.0% 32.7% 24.1% 10.9%
1980-2000 31.5% 35.5% 321.5% 95.4% 86.0% 36.4% 12.2%

Delta
1980 0.741 0.733 0.531 0.687 0.752 0.808 0.875
1990 0.753 0.742 0.525 0.691 0.757 0.807 0.886
2000 0.743 0.735 0.529 0.687 0.740 0.788 0.890
Percent Change
1980-1990 1.5% 1.3% -1.1% 0.5% 0.7% -0.2% 1.3%
1990-2000 -1.3% -1.0% 0.7% -0.4% -2.2% -2.4% 0.5%
1980-2000 0.3% 0.3% -0.5% 0.1% -1.6% -2.5% 1.8%

Absolute Centralization
1980 0.701 0.700 0.336 0.554 0.766 0.799 0.883
1990 0.700 0.693 0.314 0.645 0.742 0.781 0.896
2000 0.683 0.672 0.291 0.653 0.736 0.774 0.880
Percent Change
1980-1990 -0.1% -1.1% 6.6% 16.4% -3.1% -2.3% 1.5%
1990-2000 -2.4% -2.9% -7.2% 1.2% -0.8% -0.9% -1.9%
1980-2000 -2.5% -4.0% 13.3% 17.8% -3.9% -3.1% -0.4%

Spatial Proximity
1980 1.057 1.071 1.005 1.041 1.063 1.123 1.130
1990 1.083 1.104 1.013 1.073 1.093 1.137 1.190
2000 1.096 1.124 1.024 1.072 1.113 1.154 1.222
Percent Change
1980-1990 2.4% 3.1% 0.7% 3.1% 2.8% 1.3% 5.3%
1990-2000 1.2% 1.8% 1.1% -0.1% 1.9% 1.4% 2.7%
1980-2000 3.7% 4.9% 1.9% 3.1% 4.7% 2.8% 8.1%
Note: Selected Metropolitan Areas (30 of 330) are those with at least 10 tracts and 3% or 20,000 or more Asians and Pacific Islanders in 1980. Higher values indicate more segregation; the reference group is non-Hispanic Whites. Segregation estimates are weighted by the size of the Asian/ Pacific Islander 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