What is a Tiger line shapefile?
What is a Tiger line shapefile?
dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau’s Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). …
What kinds of transportation data are contained within Tiger Line files?
TIGER/Line files are a digital database of geographic features, such as roads, railroads, rivers, lakes, political boundaries, and census statistical boundaries, covering the entire United States.
How many census tracts are present in California in the Tiger line shapefile?
These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous….Dates.
| Metadata Date | September 3, 2019 |
|---|---|
| Metadata Created Date | January 15, 2021 |
| Metadata Updated Date | January 15, 2021 |
| Reference Date(s) | 2016 (publication) |
What is TIGER data?
The Topologically Integrated Geographic Encoding and Referencing system (TIGER) data, produced by the US Census Bureau, is a public domain data source which has many geographic features. The TIGER/Line files are extracts of selected geographic information, including roads, boundaries, and hydrography features.
What can TIGER files be used for?
These extracts are known as TIGER/Line files. TIGER data include political and census boundaries (states, counties, tracts, block groups, blocks, zip code tabulation areas, urban boundaries, tribal subdivisions, Congressional districts, etc.) that can be used in conjunction with tabular data.
What are TIGER lines?
Topologically Integrated Geographic Encoding and Referencing, or TIGER, or TIGER/Line is a format used by the United States Census Bureau to describe land attributes such as roads, buildings, rivers, and lakes, as well as areas such as census tracts.
What is census demographic data?
Demographic data refer to the Decennial Census and other surveys of individuals and households administered by the Census Bureau. Access to these data will only be granted to qualified researchers on approved projects with authorization to use specific data sets.
What does TIGER Line Stand For?
Does the Tiger/Line/shapefiles contain demographic data?
The core TIGER/Line Files and Shapefiles do not include demographic data, but they do contain geographic entity codes (GEOIDs) that can be linked to the Census Bureau’s demographic data, available on American FactFinder. All legal boundaries and names are as of January 1, 2019.
What is a Tiger/Line geodatabases?
These geodatabases bring together geography from the 2019 TIGER/Line Shapefiles and data from the 2015-2019 American Community Survey (ACS) 5-year estimates. Record layouts for the TIGER/Line with Selected Demographic and Economic Data contain the short name and a full description of each cell.
What is the Tiger/Line file extension?
The Census Bureau released versions of the TIGER/Line Files periodically throughout the 1990s and 2000s in ASCII format. Beginning with the 2007 version, the format of the TIGER/Line Files changed from the ASCII file format to shapefile. 1-2
What happened to the MAF/TIGER database?
In the 2000’s, the Census Bureau underwent a major realignment of the TIGER database to improve the spatial accuracy of the road network. Since this realignment, the Census Bureau has added quality standards for data sources used to update the MAF/TIGER database.
