U.S. Department of Commerce

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Congressional Districts by Census Tracts

Table Description

This table lists alphabetically each county name and 3-digit Federal Information Processing System (FIPS) code and the census tract codes within that county. It then provides the congressional district that relates to each census tract. If an entire county is within one congressional district, the table will have the note "All Census Tracts". If more than one congressional district relates to a census tract, each district is listed, separated by a comma or a hyphen (e.g. 6-9 represents congressional districts 6, 7, 8 and 9).

Definition

Census tracts are small, relatively permanent statistical subdivisions of a county or statistically equivalent entity delineated by local participants as part of the U.S. Census Bureau's Participant Statistical Areas Program. The U.S. Census Bureau delineated census tracts where no local participant existed or where a local or tribal government declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of decennial census data .

Census tracts are identified by a four-digit basic number and may have a two-digit numeric suffix; for example, 6059.02. The decimal point separating the four-digit basic tract number from the two-digit suffix is shown in the printed reports and on census maps. In computer-readable files, the decimal point is implied. Many census tracts do not have a suffix; in such cases, the tract number is right justified and zero-filled. Leading zeros in a census tract number (for example, 002502) are shown only in computer-readable files.

Census tract numbers range from 1 to 9999 and are unique within a county or statistically equivalent entity. The U.S. Census Bureau reserves the basic census tract numbers 9400 to 9499 for census tracts delineated within American Indian reservations and off-reservation trust lands that exist in multiple states or counties. The number 0000 in computer-readable files identifies a census tract delineated to provide complete coverage of water area in territorial seas and the Great Lakes.

Source: U.S. Census Bureau
Author: Geography Division
Created: Apr-28-2005
Last Revised: July 13, 2011 at 06:00:39 PM