Demographic data provides an example of what kinds of data maps can show. It shows the population characteristics of a population and is one of the most common types of data shown on statistical maps. Demographic data, which can include data for age, gender, race, employment status, and other factors, is tabulated over geographic units such as counties, states, ZIP Code areas, or census tracts. The tabulations include the count of features, such as people, households, employed individuals, or students, within those units. They can also include characteristics that describe those features, such as age, race, and income to describe people or age and type of housing unit.
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