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The statistical and geographic data are disseminated free of charge through a sophisticated online data access system. [ 1 ] In addition, NHGIS has created historical and contemporary cartographic boundary shapefiles compatible with every census, and over 50 million lines of metadata describing the collection.
TIGER includes both land features such as roads, rivers, and lakes, as well as areas such as counties, census tracts, and census blocks. Some of the geographic areas represented in TIGER are political areas, including state and federally recognized tribal lands, cities, counties, congressional districts, and school districts.
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
CSPro was designed and implemented through a joint effort by the developers of two earlier software packages that were used to capture, edit, and tabulate census and survey data on DOS-based machines: the Integrated Microcomputer Processing System (IMPS), developed by the U.S. Census Bureau, and the Integrated System for Survey Analysis (ISSA ...
QGIS is a geographic information system (GIS) software that is free and open-source. [2] QGIS supports Windows, macOS, and Linux. [3] It supports viewing, editing, printing, and analysis of geospatial data in a range of data formats. Its name comes from an abbreviation of its previous name, Quantum GIS.
The price for each state involved in the development of the package was based on that state's total population. DOT agencies provided funding for technical support related to use of the data as well as coordination and software. From 1970 to 2000 the CTPP used data from the decennial census long form.
A census tract, census area, census district or meshblock [1] is a geographic region defined for the purpose of taking a census. [2] Sometimes these coincide with the limits of cities , towns or other administrative areas [ 2 ] and several tracts commonly exist within a county.
As of 2022, based on the results of the 2020 Census, there are 2,487 PUMAs. PUMAs allow the Census to publish census data for sub-state areas throughout every state. For example, the ACS publishes detailed data every year, but due to their sampling procedure only publishes data for census area that have more than 65,000 People.