United States Fast Facts

United States Fast Facts

Data are for 2010 unless otherwise noted.

Transportation System Extent

All public roads: 4.07 million miles
Interstate: 46,900 miles
Road bridges: 604,493
Class I railroad trackage: 161,926 miles
Inland waterways: 29,620 miles
Public use airports: 5,175

Vehicles and Conveyances

Automobiles registered: 130.9 million
Trucks registered: 110.3 million
Buses registered: 0.8 million
Motorcycles registered: 8.2 million
Rail transit systems: 25 commuter rail, 15 heavy rail (subway), 28 light rail

Recreational boats registered: 12.4 million

Geographic

Land area: 3.5 million square miles
Percent of land area owned by federal government: 28.81
Persons per square mile: 87.4
Highest point: Mount McKinley, AK (20,320 ft.)
Lowest point: Death Valley, CA (–282 ft.)

Government Subdivisions

County governments: 3,0331
Municipal governments: 19,4921
Town governments: 16,5191
Congressional districts: 435

Demographic

Population: 308.7 million
Percent urban population: 82.0

Socioeconomic

Gross domestic product: $13.1 trillion in chained (2005) dollars ($14.5 trillion in current dollars)
Civilian labor force: 153.9 million
Median household income: $50,046

Commuting (percent of workers)

Car, truck, or van—drove alone: 76.6
Car, truck, or van—carpooled: 9.7
Public transportation: 4.9
Taxicab, motorcycle, bicycled or other means: 1.7
Worked at home: 4.3
Walked: 2.8

12007

Sources

Transportation System Extent
All public roads, Interstate: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2010 (Washington, DC: 2011), table HM-20; available at http://www.fhwa.dot.gov/policyinformation/statistics.cfm as of June 2012.
Road bridges: U.S. Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory: Highway Bridge by Owner (Washington, DC: 2010 ), available at http://www.fhwa.dot.gov/bridge/britab.cfm as of June 2012.
Class I railroad trackage: Association of American Railroads, Class I Railroad Statistics (Washington, DC: 2012) available at http://www.aar.org/StatisticsAndPublications.aspx as of June 2012.
Inland waterways: U.S. Army Corps of Engineers, Navigation Data Center, National Waterway Network, personal communication, March 2012.
Public use airports: U.S. Department of Transportation, Federal Aviation Administration, Administrators Fact Book (Washington, DC: March 2011), p.16, available at http://www.faa.gov/about/office_org/headquarters_offices/aba/admin_factbook/ as of June 2012.

Vehicles and Conveyances
Automobiles, light trucks, heavy trucks, buses, motorcycles: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2010 (Washington, DC: 2011), table MV-1, available at http://www.fhwa.dot.gov/policyinformation/statistics.cfm as of June 2012.
Rail transit systems: U.S. Department of Transportation, Federal Transit Agency, National Transit Database 2010 (Washington, DC: 2011), table 21, available at http://www.ntdprogram.gov/ntdprogram/data.htm as of June 2012.
Recreational boats: U.S. Department of Homeland Security, U.S. Coast Guard, Boating Statistics 2010 (Washington, DC: 2011), table 35, available at http://www.uscgboating.org/statistics/accident_statistics.aspx as of June 2012.

Geographic
Land area, persons per square mile: U.S. Department of Commerce, U.S. Census Bureau, USA QuickFacts (Washington, DC: 2012), available at http://quickfacts.census.gov/qfd/states/00000.html as of June 2012.

Percent of federal land : U.S. Department of Agriculture, Economic Research Service, Major Uses of Land in the United States, 2007 (Washington, DC: 2011), available at http://www.ers.usda.gov/Publications/ as of June 2012.

Highest and lowest point: Central Intelligence Agency, The World Factbook (Washington, DC: 2012), available at https://www.cia.gov/library/publications/the-world-factbook/geos/us.html as of June 2012.
Government Subdivisions

Governments: U.S. Department of Commerce, U.S. Census Bureau, 2007 Census of Governments (Washington, DC: 2009), available at http://www.census.gov/govs/cog/ as of June 2012.

Districts: U.S. Department of Commerce, U.S. Census Bureau, 2010 Apportionment Results (Washington, DC: 2011), available at http://www.census.gov/population/apportionment/data/ as of June 2012.

Demographic
Population: U.S. Department of Commerce, U.S. Census Bureau, USA QuickFacts (Washington, DC: 2012), available at http://quickfacts.census.gov/qfd/states/00000.html as of June 2012.

Percent urban population: Central Intelligence Agency, The World Factbook (Washington, DC: 2012), available at https://www.cia.gov/library/publications/the-world-factbook/geos/us.html as of June 2012.

Socioeconomic
Gross domestic product: U.S. Department of Commerce, Bureau of Economic Analysis, National Income and Product Account Tables, available at http://www.bea.gov/iTable/index_nipa.cfm as of June 2012.
Civilian labor force: U.S. Department of Labor, Bureau of Labor Statistics, Labor Force Statistics from the Current Population Survey, available at http://www.bls.gov/cps as of June 2012.
Median household income: U.S. Census Bureau, 2010 American Community Survey, available at http://factfinder.census.gov as of June 2012.

Commuting
U.S. Census Bureau, 2010 American Community Survey, available at http://factfinder.census.gov as of June 2012.