Population Density
Population Density
Population density is a key concept in geography and urban planning, reflecting how many people live within a specific area—typically measured in people per square kilometer or mile.
Technical documentation for the decennial census can be found below:
Population Density by Census
1990
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Table1990 Density Land Area MeasurementsThese Density Land area Measurements tables are from the Decennial Census.
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TableLand Area, Population, and Density for States and Counties: 1990View and download tables on land area, population and density for states and counties for 1990.
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Visualization1990 Population Distribution in the United StatesThis 1990 Population Distribution in the United States 1990 visualization is from 1990.
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Visualization1990 Race and Hispanic Origin Population Density: AIANThe four map themes are: American Indian, Eskimo, and Aleut Persons; Asian and Pacific Islander Persons; Black Persons; and Hispanic Origin Persons.
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Visualization1990 Race and Hispanic Origin Population Density: NHOPIThe four map themes are: American Indian, Eskimo, and Aleut Persons; Asian and Pacific Islander Persons; Black Persons; and Hispanic Origin Persons.
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Visualization1990 Race and Hispanic Origin Population Density: Black PersonsThe four map themes are: American Indian, Eskimo, and Aleut Persons; Asian and Pacific Islander Persons; Black Persons; and Hispanic Origin Persons.
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Visualization1990 Race and Hispanic Origin Population Density: Hispanic PersonsThe four map themes are: American Indian, Eskimo, and Aleut Persons; Asian and Pacific Islander Persons; Black Persons; and Hispanic Origin Persons.
Page Last Revised - September 23, 2025