Portland Sprawls Like Pheonix
This is a part of the Demographia 1990 US Urbanized Area Density Profile product. Data may be reproduced with appropriate citation.
Data includes all census tracts of 500 or more population per square mile in the urbanized portions the metropolitan areas
(c) 2001 www.demographia.com --- Wendell Cox Consultancy --- Permission granted to use with attribution.
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