Census Block 2000

IDENTIFIERS

CCR ID	NAACCR ID
E1616	None. State Requestor

DESCRIPTION

A census block is the smallest geographical unit used by the U.S. Census Bureau. The first number of the census block indicates which block group the block is in.

LEVELS

Tumors

LENGTH

4

ALLOWABLE VALUES

er213 Census Block 2000 (Eureka)

Numeric or blank

SOURCE

Set to blank

UPDATE

Whenever Census Tract 2000 is changed, Census Block 2000 must be changed accordingly.

• If Census Tract 2000 is untracted then Census Block 2000 must be blank.

• If Census Tract 2000 is tracted and a Census Block 2000 tracted code is available (whether through geocoding, linking a tumor with a tracted address, or manual entry of a Census Block 2000 value) the available Census Block 2000 code should be used.

• However, if Census Tract 2000 is tracted but Census Block 2000 is not available Census Block 2000 should be set to blank.

CONSOLIDATED DATA EXTRACT

Yes

INTERFIELD EDITS

IF433 Census Tract 2000, Census Block

HISTORICAL CHANGES

3/15/00	New data item added for Year 2000 census.
5/15/01	Data item expanded from one to four digits to specify complete block.
2010	2010 Data Item Changes:  CCR name (Census Block 00) changed to be consistent with NAACCR naming conventions.
3/14/11	Changed Allowable Values to Numeric  or blank per Holly Hodges and Winny Roshala email. Also updated description section.