Census 2010 tract and block group maps

Select a county from the table below.

Adams Douglas King Pacific Stevens
Asotin Ferry Kitsap Pend Oreille Thurston
Benton Franklin Kittitas Pierce Wahkiakum
Chelan Garfield Klickitat San Juan Walla Walla
Clallam Grant Lewis Skagit Whatcom
Clark Grays Harbor Lincoln Skamania Whitman
Columbia Island Mason Snohomish Yakima
Cowlitz Jefferson Okanogan Spokane  

The above maps can be used to identify census tracts and block groups within counties. The maps are large (34" x 44") and should not be printed via standard printers. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity. The spatial size of census tracts varies widely depending on the density of settlement. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. Block groups are clusters of blocks within the same census tract. Each census tract contains at least one block group and are uniquely numbered within census tracts. Census block groups generally have a population size between 600 and 3,000 people, with optimum size of 1,500 people.

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