Population density
Population density is the number of people in a given area (usually given as persons per sq. km.). To find this figure the total population is divided by the area.
Density can be shown on a choropleth map which shows the average density across regions. This is easy to read but disguises major population concentrations.
"For classes in Social Studies, American Government, Current Events and Economics;
Grade level 9th-12th
"Is Wal-Mart Good for America?" provides a provocative examination of the impact Wal-Mart has had on the U.S. economy. "