| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Block number | Census | A number assigned to each census block. For collecting information for Census 2000, each census block was identified uniquely within a county (or statistically equivalent entity) by a 4- or 5-digit number. All the collection blocks in a county used the same number of digits. As a result of changes to the TIGER(r) database after the Census Bureau had numbered the blocks in preparation for the Census 2000 field operations, the number could have an alphabetic suffix, to represent one portion of a physical block that was split by an added street or road or by the addition or change of the boundary of a county, American Indian reservation, off-reservation trust land, or military installation; for example, if an added street bisected Block 1005, the block was split into Blocks 1005A and 1005B to represent the portion of the original collection block on each side of that street. For tabulating data for Census 2000, each census block was identified uniquely within a census tract by a 4-digit number. A 1990 census block number had three digits, with a potential alphabetic suffix. The first digit identifies the block group in which the census block is located. See block group, census block, collection block, and tabulation block. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
