Others States

United States (USA)

    Land Area: 3,536,342 sq. mi.
    Highest Point: Mount McKinley, Alaska, 20,320 ft
    Population: 273,537,800
    Capital: Washington D.C.
    Largest City: New York City

Alabama ( AL )

    Nickname: Yellowhammer State
    Land Area: 50,750 sq mi.
    Highest Point: Cheaha Mtn 2,405 ft
    Population: 4,376,700
    Capital: Montgomery
    Largest City: Birmingham

Arizona ( AZ )

    Nickname: Grand Canyon State
    Land Area: 113,642 sq mi.
    Highest Point: Humphreys Peak 12,633 ft
    Population: 4,830,600
    Capital: Phoenix
    Largest City: Phoenix

California ( CA )

    Nickname: Golden State
    Land Area: 155,973 sq mi.
    Highest Point: Mount Whitney 14,984 ft
    Population: 33,867,600
    Capital: Sacramento
    Largest City: Los Angeles

Connecticut ( CT )

    Nickname: Constitution State
    Land Area: 4,845 sq mi.
    Highest Point: On Month Frissell 2,380 ft
    Population: 3,288,100
    Capital: Hartford
    Largest City: Bridgeport

Delaware ( DE )

    Nickname: Diamond State
    Land Area: 1,955 sq mi.
    Highest Point: New Castle Cty 488 ft
    Population: 743,500
    Capital: Dover
    Largest City: Wilmington

Georgia ( GA )

    Nickname: Peach State
    Land Area: 57,919 sq mi.
    Highest Point: Brasstown Baid 4,784 ft
    Population: 7,739,900
    Capital: Atlanta
    Largest City: Atlanta

Kansas ( KS )

    Nickname: Sunflower State
    Land Area: 81,823 sq mi.
    Highest Point: Mount Sunflower 4,039 ft
    Population: 2,641,500
    Capital: Topeka
    Largest City: Wichita

Louisiana ( LA )

    Nickname: Pelican State
    Land Area: 43,566 sq mi.
    Highest Point: Driskill Mtn 535 ft
    Population: 4,376,000
    Capital: Baton Rouge
    Largest City: New Orleans

Maryland ( MD )

    Nickname: Old Line State
    Land Area: 9,775 sq mi.
    Highest Point: Backbone Mtn 3,360 ft
    Population: 5,162,400
    Capital: Annapolis
    Largest City: Baltimore

Michigan ( MI )

    Nickname: Great Lakes State
    Land Area: 56,809 sq mi.
    Highest Point: Mount Arvon 1,979 ft
    Population: 9,859,700
    Capital: Lansing
    Largest City: Detroit

Missouri ( MO )

    Nickname: Show Me State
    Land Area: 68,898 sq mi.
    Highest Point: Taum Sauk Mtn 1,772 ft
    Population: 5,461,300
    Capital: Jefferson City
    Largest City: Kansas City

New Jersey ( NJ )

    Nickname: Garden State
    Land Area: 7,419 sq mi.
    Highest Point: High Point 1,803 ft
    Population: 8,148
    Capital: Trenton
    Largest City: Newark

North Carolina ( NC )

    Nickname: Tar Heel State
    Land Area: 48,718 sq mi.
    Highest Point: Mount Mitchell 6,684 ft
    Population: 7,600,900
    Capital: Raleigh
    Largest City: Charlotte

Oklahoma ( OK )

    Nickname: Sooner State
    Land Area: 68,679 sq mi.
    Highest Point: Black Mesa 4,973 ft
    Population: 3,370,400
    Capital: Oklahoma City
    Largest City: Oklahoma City

Pennsylvania ( PA )

    Nickname: Keystone State
    Land Area: 44,820 sq mi.
    Highest Point: Mount Davis 3,213 ft
    Population: 12,054,200
    Capital: Harrisburg
    Largest City: Philadelphia

South Carolina ( SC )

    Nickname: Palmetto State
    Land Area: 30,111 sq mi.
    Highest Point: Sassafras 3,560 ft
    Population: 3,863,900
    Capital: Columbia
    Largest City: Columbia

Texas ( TX )

    Nickname: Lone Star State
    Land Area: 261,914 sq mi.
    Highest Point: Guadalupe Peak 8,749 ft
    Population: 19,975,700
    Capital: Austin
    Largest City: Houston

Virginia ( VA )

    Nickname: The Old Dominion State
    Land Area: 39,598 sq mi.
    Highest Point: Mount Rogers 5,729 ft
    Population: 6,836,200
    Capital: Richmond
    Largest City: Virginia Beach

West Virginia ( WV )

    Nickname: Mountain State
    Land Area: 24,087 sq mi.
    Highest Point: Spruce Knob 4,861 ft
    Population: 1,820,600
    Capital: Charleston
    Largest City: Charleston

Alaska ( AK )

    Nickname: Last Frontier
    Land Area: 570,374 sq mi.
    Highest Point: Mount McKinley 20,320 ft
    Population: 627,400
    Capital: Juneau
    Largest City: Anchorage

Arkansas ( AR )

    Nickname: The Natural State
    Land Area: 52,075 sq mi.
    Highest Point: Magazine Mtn 2,753 ft
    Population: 2,552,100
    Capital: Little Rock
    Largest City: Little Rock

Colorado ( CO )

    Nickname: Centennial State
    Land Area: 103,729 sq mi.
    Highest Point: Mount Elbert 14,433 ft
    Population: 4,060,000
    Capital: Denver
    Largest City: Denver

Colorado ( CO )

    Nickname: Centennial State
    Land Area: 103,729 sq mi.
    Highest Point: Mount Elbert 14,433 ft
    Population: 4,060,000
    Capital: Denver
    Largest City: Denver

Florida ( FL )

    Nickname: Sunshine State
    Land Area: 53,937 sq mi.
    Highest Point: Walton County 345 ft
    Population: 15,317,300
    Capital: Tallahassee
    Largest City: Jacksonville

Hawaii ( HI )

    Nickname: Aloha State
    Land Area: 6,423 sq mi.
    Highest Point: Mauna Kea 13,796 ft
    Population: 1,192,200
    Capital: Honolulu
    Largest City: Honolulu

Kentucky ( KY )

    Nickname: Bluegrass State
    Land Area: 39,732 sq mi.
    Highest Point: Black Mtn 4,139 ft
    Population: 3,958,300
    Capital: Frankfort
    Largest City: Louisville

Maine ( ME )

    Nickname: Pine Tree State
    Land Area: 30,865 sq mi.
    Highest Point: Mount Katahdin 5,268 ft
    Population: 1,251,400
    Capital: Augusta
    Largest City: Portland

Massachusetts ( MA )

    Nickname: Bay State
    Land Area: 7,838 sq mi.
    Highest Point: Mount Greylock 3,487 ft
    Population: 6,159,500
    Capital: Boston
    Largest City: Boston

Mississippi ( MS )

    Nickname: Magnolia State
    Land Area: 46,914 sq mi.
    Highest Point: Woodall Mtn 806 ft
    Population: 2,766,500
    Capital: Jackson
    Largest City: Jackson

New Hamphsire ( NH )

    Nickname: Granite State
    Land Area: 8,969 sq mi.
    Highest Point: Mount Washington 6,288 ft
    Population: 1,189,400
    Capital: Concord
    Largest City: Manchester

New York ( NY )

    Nickname: Empire State
    Land Area: 47,224 sq mi.
    Highest Point: Mount Marcy 5,344 ft
    Population: 18,212,100
    Capital: Albany
    Largest City: New York City

North Dakota ( ND )

    Nickname: Peace Garden State
    Land Area: 68,994 sq mi.
    Highest Point: White Butte 3,506 ft
    Population: 638,100
    Capital: Bismarck
    Largest City: Fargo

Oregon ( OR )

    Nickname: Beaver State
    Land Area: 96,002 sq mi.
    Highest Point: Mount Hood 11,239 ft
    Population: 3,300,900
    Capital: Salem
    Largest City: Portland

Rhode Island ( RI )

    Nickname: The Ocean State
    Land Area: 1,045 sq mi.
    Highest Point: Jerimoth Hill 812 ft
    Population: 990,200
    Capital: Providence
    Largest City: Providence

Tennessee ( TN )

    Nickname: Volunteer State
    Land Area: 42,219 sq mi.
    Highest Point: Clingmans Dome 6,643 ft
    Population: 5,470,400
    Capital: Nashville
    Largest City: Memphis

Vermont ( VT )

    Nickname: Green Mountain State
    Land Area: 9,249 sq mi.
    Highest Point: Mt Mansfield 4,393 ft
    Population: 593,200
    Capital: Montpellier
    Largest City: Burlington

Washington ( WA )

    Nickname: Evergreen State
    Land Area: 66,582 sq mi.
    Highest Point: Mount Rainier 14,411 ft
    Population: 5,797,300
    Capital: Olympia
    Largest City: Seattle

Washington D.C.

    Nickname: -
    Land Area: 61 sq mi.
    Highest Point: Tenleytown 410 ft
    Population: 520,700
    Capital: -
    Largest City: -

I also set some information for Canada here.