WASHINGTON – March 26, 2012 – The nation’s urban population increased by 12.1 percent from 2000 to 2010, outpacing the nation’s overall growth rate of 9.7 percent for the same period. The Census Bureau released the new list of urban areas today based on 2010 Census results.
Urban areas – defined as densely developed residential, commercial and other nonresidential areas – now account for 80.7 percent of the U.S. population, up from 79.0 percent in 2000. Although the rural population – the population in all areas outside not classified as “urban” – grew by a modest amount from 2000 to 2010 but declined as a percentage of the national population.
The Census Bureau identifies two types of urban areas: “urbanized areas” of 50,000 or more people and “urban clusters” of at least 2,500 but less than 50,000 people. Under that classification, the U.S. has 486 urbanized areas and 3,087 urban clusters.
Of the 10 most densely populated urbanized areas, nine are in the West, with seven of those in California. Urbanized areas in the U.S., taken together, had an overall population density of 2,534 people per square mile.
The nation’s most densely populated urbanized area is Los Angeles-Long Beach-Anaheim, Calif., with nearly 7,000 people per square mile. The San Francisco-Oakland, Calif., area is the second most densely populated at 6,266 people per square mile, followed by San Jose, Calif. (5,820 people per square mile) and Delano, Calif. (5,483 people per square mile). The New York-Newark, N.J., area is fifth, with an overall density of 5,319 people per square mile.
The New York-Newark area continues to be the nation’s most populous urbanized area, with 18,351,295 residents. Los Angeles-Long Beach-Anaheim is the second most populous (12,150,996), followed by the Chicago area (8,608,208).
Among urbanized areas with populations of 1 million or more, the Charlotte, N.C.-S.C., area grew at the fastest rate, increasing by 64.6 percent, followed by the Austin, Texas, area, at 51.1 percent, and Las Vegas-Henderson, Nev., at 43.5 percent. The Charlotte and Austin areas also had the highest rates of land area change, increasing by 70.5 percent and 64.4 percent, respectively.
The population within the nation’s 486 urbanized areas grew by 14.3 percent from 2000 to 2010. For any given urbanized area, population increase may be attributed to a combination of internal growth, outward expansion to include new growth, and outward expansion encompassing existing communities that previously were outside the urbanized area.
Regional and state patterns
Of the nation’s four census regions, the West continued to be the most urban, with 89.8 percent of its population residing within urban areas, followed by the Northeast, at 85.0 percent. The Midwest and South continue to have lower percentages of urban population than the nation as a whole, with rates of 75.9 and 75.8, respectively.
Of the nine census divisions, the Pacific division remains the most urban, with nearly 92 percent of its population residing within urban areas. The East South Central division (Alabama, Kentucky, Mississippi and Tennessee) remains the least urban, with only 59.9 percent of its population residing within urban areas.
Of the 50 states, California was the most urban, with nearly 95 percent of its population residing within urban areas. New Jersey followed closely with 94.7 percent of its population residing in urban areas. New Jersey is the most heavily urbanized state, with 92.2 percent of its population residing within urbanized areas of 50,000 or more population.
The states with the largest urban populations were California (35,373,606), Texas (21,298,039) and Florida (17,139,844). Maine and Vermont were the most rural states, with 61.3 and 61.1 percent of their populations, respectively, residing in rural areas. States with the largest rural populations were Texas (3,847,522), North Carolina (3,233,727) and Pennsylvania (2,711,092).
For more information, visit the U.S. Census Bureau’s website. (http://www.census.gov/geo/www/ua/2010urbanruralclass.html)
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