|Geographic Division:||# of Areas||Total Population||Percent of U.S. Total|
|Total U.S. Population||285,230,516||100|
|Population living in Urban Areas 2||3,629||225,956,060||79.219|
|Population living in Rural Areas||59,274,456||20.781|
|Urban Area Categories:|
|1. Urbanized Areas over 200,000 population||153||166,215,889||58.274|
|2. Urbanized Areas 50,000 - 199,999 population||310||29,584,626||10.372|
|3. Urban Clusters 5,000 - 49,999 population||1838||25,438,275||8.918|
|4. Urban Clusters 2,500 - 4,999 population||1328||4,717,270||1.654|
1U.S. population is defined as residents of the 50 States, plus the District of Columbia and the Commonwealth of Puerto Rico. It does not include residents of the U.S. Virgin Islands or U.S. Pacific Trust Territories.
2Urban areas include all urbanized areas (over 50,000 population) and Urban Clusters (2,500 to 49,999 population) as defined by the Bureau of the Census in the 2000 Decennial Census.