Notes on Bellingham & Whatcom County Census Numbering

(Method for)

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In the Census numbering schema,

    Washington is state number 53

    Whatcom County is number 73 

Washington has (2000 Census):

    39 Counties

    1,318 Tracts

    4,825 Block Groups

    170,871 Blocks

Whatcom County has (2000 Census):

    27 Tracts

    99 Block Groups

    4,950 Blocks

Bellingham city limits spans portions of 11 different Census Tracts:

    1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 12   

In some databases a unique ID is made up of the State, County and Tract numbers:

    530730001        equals state 53, county 073, Tract 0001

    530730001001   equals state 53, county 073, Tract 0001, Block Group 1

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