![]() ![]() ![]() More complete coverage - Collectively census tracts describe the entire U.S., even remote areas ZIP Codes cover most of the U.S., but not areas where mail delivery is not available. ![]() Standard aggregation of data - each of the following groups cleanly aggregates into the next group in the chain:īlocks -> block groups -> census tracts -> counties -> states -> nation.ZIP Codes frequently cross city and county boundaries in 2010 there were at least 103 ZIP Codes which crossed state lines. Better aggregation of geographic boundaries for comparisons with municipal and county data - Census tracts do not cross county lines and typically break out data for incorporated places.More accurate geographic match - census tracts are one of the specific geographic units by which census counts are presented ZIP Code Tabulation Areas are used to approximate the geographic boundaries of ZIP Codes.More specific geographic values - There are approximately 50% more census tracts than ZIP Codes.More current data - ZIP Code Tabulation Area (ZCTA) data from 2000 was the most recent detailed census data available for ZIP Codes until the American Community Survey's 2007-2011 five-year estimates were released in early 2013.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |