| 21. | One of the census tracts within the Port Union community is census tract 5350361.01.
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| 22. | The census tracts of the Delta are some of the poorest in the country.
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| 23. | Census tracts ( and hence ward and neighbourhood ) data is not yet available.
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| 24. | Choropleth maps portray data collection areas, such as counties or census tracts, with color.
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| 25. | Of the 15 poorest census tracts in America, 11 are Chicago public housing communities.
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| 26. | Black Rock comprises census tracts 701 and 702 and part of census tract 703.
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| 27. | Median income for this census tract was $ 30, 996.
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| 28. | The index tracks diversity by neighborhood-sized census tracts, and bundles of tracts reveal residential patterns.
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| 29. | But census statistics show that they are clustered in a small number of census tracts.
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| 30. | Census 2000 was the first decade in which census tracts were defined in all counties.
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