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The population of the United States reached 300 million on October 17, 2006, said the U.S. Census Bureau. With one birth every 7 seconds, a death every 13 seconds, and a migrant entering the country every 31 seconds, the United States’ population is growing at a rate of one person every 11 seconds. Where are all of these people living? This map, based on population estimates made in 2005, charts out the number of people in every square kilometer of the United States. As has been the case historically, the most densely populated parts of the United States are east of the Mississippi River. Rings of decreasing population density radiate out from the major urban centers of New York, Philadelphia, and Washington along the East Coast. Other cities—Atlanta, Chicago, Houston, and Dallas—punctuate the map in the country’s interior. The west remains lightly populated except for clearly defined urban regions. Like their counterparts in the east, the largest cities in the west (San Diego and Los Angeles in the south; San Francisco, Oakland, and San Jose farther north) hug the coast, with the densest populations in Southern California. Other large western cities readily visible here include Portland, Seattle, Phoenix, and Denver. For Earth scientists, population density maps can be crucial in answering questions about the relationship between people and the environment. How does population density relate to changes in land cover? How are natural resources distributed in relation to population? How do densely populated regions, with their pollution, artificial surfaces, and urban heat islands, affect climate? To answer these and other questions, scientists compare detailed population maps to other geographically based data sets, including satellite data. In the comparison, trends that track the human footprint can emerge. This particular population density map is based on a global population density map created at the Socioeconomic Data and Applications Center (SEDAC) at Columbia University. One of the Distributed Active Archive Centers in NASA’s Earth Observing System Data and Information System, SEDAC provides information about human interactions in the environment.
NASA image by Robert Simmon, based on data archived by the Socioeconomic Data and Applications Center
Population Density in the United StatesStudents compare several maps to explore relationships between high and low population density, transportation corridors, climate, and land cover in the United States. Subjects Geography, Human Geography, Physical Geography Image Population DensityCrowds fill Piazza San Marco for the opening of the Carnical of Venice, Venice, Italy. Photograph by Jodi Cobb This lists the logos of programs or partners of
NG Education which have provided or contributed the content on this page. Program 1. Have students create a thematic map of population density of the United States. 2. Have a whole-class discussion about the patterns of population density on the large map. 3. Have students compare their thematic map to the NG Education interactive map with the Land Cover data layer selected. Subjects & Disciplines
Learning ObjectivesStudents will:
Teaching Approach
Teaching Methods
Skills SummaryThis activity targets the following skills:
Connections to National Standards, Principles, and PracticesNational Council for Social Studies Curriculum Standards
National Geography Standards
What You’ll NeedMaterials You Provide
Required Technology
Physical Space
Grouping
Other NotesBefore starting this activity, assemble the Americas Mega Map. Background InformationGeographers use maps to convey information to others. You can display physical, political or cultural information, or use maps to illustrate specific themes and topics. Maps are useful in helping to see patterns or relationships between layers of information. Recommended Prior Activities
VocabularyNoun
the number of people living in a set area, such as a square mile. thematic map Noun representation of data on a specific topic for a specific area. Articles & Profiles
Maps
Which region of the United States is most densely populated quizlet?The northeastern coast of the United States is the largest densely populated area in this region.
Where are North America's densest regional urban populations?Toronto is the densest urban area in North America.
Which of the following best describes North America's population settlement pattern?Which of the following statements best describes North americas population settlement pattern? Settlement is strongly centered on large cities with more thinly settled areas in between.
What time period did the Sunbelt region of the US grow most quickly?Between 1970 and 1990, the South grew in population by 36 percent and the West by 51 percent, both well above the national average. Large in-migration, along with a high birth rate and a decline in out-migration, all contributed to rapid growth of both the Sun Belt's population and manufacturing activities.
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What region of the united states contains the countrys densest population settlement?
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