This page lists the 146 counties which collectively contain half the
the United States population according to 2010 Census data.

State	Counties
****	********
Alabama	Jefferson
Arizona	Maricopa, Pima
California	Alameda, Contra Costa, Fresno, Kern, Orange, Los Angeles,
	Riverside, Sacramento, San Bernardino, San Diego, San Francisco,
	San Joaquin, San Mateo, Santa Clara, Sonoma, Stanislaus, Ventura
Colorado	Adams, Arapahoe, Denver, El Paso, Jefferson
Connecticut	Fairfield, Hartford, New Haven
Delaware	New Castle
District of Columbia
Florida	Brevard, Broward, Duval, Hillsborough, Lee, Miami-Dade,
	Orange, Palm Beach, Pasco, Pinellas, Polk, Volusia
Georgia	Cobb, DeKalb, Fulton, Gwinnett
Hawaii	Honolulu
Illinois	Cook, DuPage, Kane, Lake, Will
Indiana	Lake, Marion
Kansas	Johnson, Sedgwick
Kentucky	Jefferson
Maryland	Anne Arundel, Baltimore, Baltimore city, Montgomery, Prince George's
Massachusetts	Bristol, Essex, Hampden, Middlesex
	Norfolk, Plymouth, Suffolk, Worcester
Michigan	Kent, Macomb, Oakland, Wayne
Minnesota	Hennepin, Ramsey
Missouri	Jackson, Saint Louis
Nebraska	Douglas
Nevada	Clark
New Jersey	Bergen, Camden, Essex, Hudson, Middlesex
	Monmouth, Morris, Ocean, Passaic, Union
New Mexico	Bernalillo
New York	Bronx, Erie, Kings, Monroe, Nassau, New York,
	Onondaga, Queens, Richmond, Suffolk, Westchester
North Carolina	Guilford, Mecklenburg, Wake
Ohio	Cuyahoga, Franklin, Hamilton, Montgomery, Summit
Oklahoma	Oklahoma, Tulsa
Oregon	Multnomah, Washington
Pennsylvania	Allegheny, Bucks, Chester, Delaware, Lancaster, Montgomery, Philadelphia
Rhode Island	Providence
South Carolina	Greenville
Tennessee	Davidson, Shelby
Texas	Bexar, Collin, Dallas, Denton, El Paso, Fort Bend, Harris,
	Hidalgo, Montgomery, Tarrant, Travis, Williamson
Utah	Salt Lake, Utah
Virginia	Fairfax
Washington	King, Pierce, Snohomish, Spokane
Wisconsin	Dane, Milwaukee