As of current estimates of population, 1 July 2013:
State of Wyoming
Resident men, women, and children: 582,658
Voting representatives in the U. S. Senate and U. S. House of Representatives: 3State of Vermont
Resident men, women, and children: 626,630
Voting representatives in the U. S. Senate and U. S. House of Representatives: 3District of Columbia
Resident men, women, and children: 646,449
Voting representatives in the U. S. Senate and U. S. House of Representatives: 0
North Dakota (723,393 and 3) is booming, but will D.C. catch her before full enfranchisement happens?