Search results
Results From The WOW.Com Content Network
A geographic information system ( GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. [ 1][ 2] Much of this often happens within a spatial database; however, this is not essential to meet the definition of a GIS. [ 1] In a broader sense, one may consider such a ...
A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. This usually involves the use of map symbols to visualize selected properties of geographic features that are not naturally visible, such as temperature, language, or population. [ 1]
Dallas ( / ˈdæləs /) is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the most populous metropolitan area in Texas and the fourth-most populous metropolitan area in the United States at 7.5 million people. [ 11] It is the most populous city in and seat of Dallas County with portions ...
A choropleth map that visualizes the fraction of Australians that identified as Anglican at the 2011 census. The selected districts are local government areas, the variable is spatially intensive (a proportion) which is unclassed, and a part-spectral sequential color scheme is used. A choropleth map (from Ancient Greek χῶρος (khôros ...
ZIP Code Tabulation Areas ( ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. These were introduced with the Census 2000 and continued with the 2010 Census and 5 year American Community Survey [ 1] datasets. This new entity was developed to overcome the difficulties in precisely ...
A proportional symbol map or proportional point symbol map is a type of thematic map that uses map symbols that vary in size to represent a quantitative variable. [ 1]: 131 For example, circles may be used to show the location of cities within the map, with the size of each circle sized proportionally to the population of the city.
FIPS code. 17-64278. Website. www .villageofriverdale .net. Riverdale is a village in Cook County, Illinois, United States. The population was 10,663 at the 2020 census. [ 2] The village shares its name with the bordering Riverdale neighborhood in Chicago .
Public Use Microdata Area. A Public Use Microdata Area (PUMA) is a geographic unit used by the US Census for providing statistical and demographic information. Each PUMA contains at least 100,000 people. PUMAs do not overlap, and are contained within a single state. PUMAs were first created for the 1990 Census. [1]