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FINDING THE MAPS YOU NEED:
The examples at the end of the page are based on the Census Tract Outline map series. Go to the appropriate State/County directory to view on-line or download maps. The county index map will show the county boundaries and the boundaries of any places within the county. It also will have an overlay of a grid of squares. Each square represents the area covered by one of the maps for that county. Using this grid, you can determine which map or maps cover the area of interest. At the center of each grid square you will find a map sheet number. This number is also a part of the file name for the PDF file of the map(s). It is in the last three positions before ".pdf" extension. For example - CT06019_004.pdf is Census Tract (CT) map, sheet number 4, shown in grid number 4 for Fresno County, California. With this information you can download or view the appropriate maps(s).
NOTE:
There may be some instances in which the entire county is shown on a single County map sheet. For these counties, a single map file will appear in the appropriate county sub-directory. If there is more than one map file in the appropriate sub-directory, download or view the county index map on-line. A county sub-directory also may also have only one parent sheet and one or more inset maps. In this case, there is no index sheet. Download or view the parent sheet to identify the inset maps. The following maps are listed alphabetically by entity name - American Indian Tribal Census Tract Outline Maps, Urbanized Area (UA) Outline Maps, and Urban Cluster (UC) Outline Maps. The State-based County Outline maps are one sheet per state.
File naming convention:
Source: U.S. Census Bureau,
Geography Division
Created: January 10, 2003
Last revised: July 19 2005
