Category,Definition Region " U.S. city average","Average all cities" " Size Class A","Cities over 1.5 million in all states until 2018; thereafter 2.5 million" " Size Class B/C","Cities 50,000 to 1.5 million population in all states until 2018; thereafter 2.5 million or less" " Size Class D","Cities less than 50,000 in all states until 2018; discontinued thereafter" " Northeast","Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, New Jersey, New York, Pennsylvania" " New England","Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont" " Middle Atlantic","New Jersey, New York, Pennsylvania" " Northeast - Size Class A","Cities in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont over 1.5 million population until 2018; thereafter 2.5 million" " Northeast - Size Class B/C","Cities in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont 50,000 to 1.5 million population until 2018; thereafter 2.5 million or less" " South","Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia" " East South Central","Alabama, Kentucky, Mississippi, Tennessee" " South Atlantic","Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia" " West South Central","Arkansas, Louisiana, Oklahoma, Texas" " South - Size Class A","Cities in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia over 1.5 million population until 2018; thereafter 2.5 million" " South - Size Class B/C","Cities in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia 50,000 to 1.5 million population until 2018; thereafter 2.5 million or less" " South - Size Class D","Cities less than 50,000 in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia until 2018; discontinued thereafter" " Midwest","Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Wisconsin, South Dakota" " East North Central","Illinois, Indiana, Michigan, Ohio, Wisconsin" " West North Central","Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota" " Midwest - Size Class A","Cities in Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Wisconsin, South Dakota over 1.5 million population until 2018; thereafter 2.5 million" " Midwest - Size Class B/C","Cities in Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Wisconsin, South Dakota 50,000 to 1.5 million population until 2018; thereafter 2.5 million or less" " Midwest - Size Class D","Cities less than 50,000 in Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Wisconsin, South Dakota until 2018; discontinued thereafter" " West","Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming" " Mountain","Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming" " Pacific","Alaska, California, Hawaii, Oregon, Washington" " West - Size Class A","Cities in Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming over 1.5 million population until 2018; thereafter 2.5 million" " West - Size Class B/C","Cities in Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming 50,000 to 1,500,000 population until 2018; thereafter 2,500,000 or less" " Baltimore, MD" " City size B","""Medium"" nonself-representing cities in all states until 2018; discontinued thereafter" " City size C","""Small"" nonself-representing cities in all states; discontinued thereafter" " North Central size B","""Medium"" nonself-representing cities in Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and WisconsinÊ" " North Central size C","""Small"" nonself-representing cities in Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and WisconsinÊ" " Northeast - Size Class D","Cities less than 50,000 in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont until 2018; discontinued thereafter" " Northeast size B","""Medium"" nonself-representing cities in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont over 1.5 million population until 2018; discontinued thereafter" " Northeast size C","""Small"" nonself-representing in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont over 1.5 million population until 2018; discontinued thereafter" " South size B","""Medium"" nonself-representing cities in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia over 1.5 million population until 2018; discontinued thereafter" " South size C","""Small"" nonself-representing cities in Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Louisiana, Kentucky, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, West Virginia over 1.5 million population until 2018; discontinued thereafter" " West - Size Class D","Cities less than 50,000 in Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming until 2018; discontinued thereafter" " West size B","""Medium"" nonself-representing cities in Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming over 1.5 million population until 2018; discontinued thereafter" " West size C","""Small"" nonself-representing cities in Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming over 1.5 million population until 2018; discontinued thereafter" City/MSA " Atlanta-Sandy Springs-Roswell, GA","Atlanta-Sandy Springs-Roswell, GA" " Baltimore-Columbia-Towson, MD","Baltimore-Columbia-Towson, MD" " Boston-Cambridge-Newton, MA-NH","Boston-Cambridge-Newton, MA-NH" " Buffalo-Niagara Falls, NY","Buffalo-Niagara Falls, NY" " Chicago-Naperville-Elgin, IL-IN-WI","Chicago-Naperville-Elgin, IL-IN-WI" " Cincinnati-Hamilton, OH-KY-IN","Cincinnati-Hamilton, OH-KY-IN" " Cleveland-Akron, OH","Cleveland-Akron, OH" " Dallas-Fort Worth-Arlington, TX","Dallas-Fort Worth-Arlington, TX" " Denver-Aurora-Lakewood, CO","Denver-Aurora-Lakewood, CO" " Detroit-Warren-Dearborn, MI","Detroit-Warren-Dearborn, MI" " Houston-The Woodlands-Sugar Land, TX","Houston-The Woodlands-Sugar Land, TX" " Kansas City, MO-KS","Kansas City, MO-KS" " Los Angeles-Long Beach-Anaheim, CA","Los Angeles-Long Beach-Anaheim, CA" " Los Angeles-Riverside-Orange County, CA","Los Angeles-Riverside-Orange County, CA" " Miami-Fort Lauderdale-West Palm Beach, FL","Miami-Fort Lauderdale-West Palm Beach, FL" " Milwaukee-Racine, WI","Milwaukee-Racine, WI" " Minneapolis-St.Paul-Bloomington, MN-WI","Minneapolis-St.Paul-Bloomington, MN-WI" " New York-Newark-Jersey City, NY-NJ-PA","New York-Newark-Jersey City, NY-NJ-PA" " Philadelphia-Camden-Wilmington, PA-NJ-DE-MD","Philadelphia-Camden-Wilmington, PA-NJ-DE-MD" " Phoenix-Mesa-Scottsdale, AZ","Phoenix-Mesa-Scottsdale, AZ" " Pittsburgh, PA","Pittsburgh, PA" " Portland-Salem, OR-WA","Portland-Salem, OR-WA" " Riverside-San Bernardino-Ontario, CA","Riverside-San Bernardino-Ontario, CA" " San Diego-Carlsbad, CA","San Diego-Carlsbad, CA" " San Francisco-Oakland-Hayward, CA","San Francisco-Oakland-Hayward, CA" " Scranton, PA","Scranton, PA" " Seattle-Tacoma-Bellevue WA","Seattle-Tacoma-Bellevue WA" " St. Louis, MO-IL","St. Louis, MO-IL" " Tampa-St. Petersburg-Clearwater, FL","Tampa-St. Petersburg-Clearwater, FL" " Urban Alaska","Urban Alaska" " Urban Hawaii","Urban Hawaii" " Washington-Arlington-Alexandria, DC-VA-MD-WV","Washington-Arlington-Alexandria, DC-VA-MD-WV" " Washington-Baltimore, DC-MD-VA-WV","Washington-Baltimore, DC-MD-VA-WV" " Washington, DC-MD-VA","Washington, DC-MD-VA"