This User Guide contains information about the NSPL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master...
This study is part of the American National Election Studies (ANES), a time series collection of national surveys fielded since 1948. The American National Election Studies are designed to present dat
Approximate polygon areas of ZIP Code + 4 routes for USPS. Created by geocoding address points through www.SmartyStreets.com on 03/23/2017, to retrieve ZIP codes for each point. Then grouped into poly
