Yes! https://plus.google.com/105479712798762608629 is managed by the U.S. federal government.

Information about Google Plus ID: 105479712798762608629

Organization or Program:White House
Program URL:http://whitehouse.gov/
Sponsoring Agency:Executive Office of the President (EOP)

If you have a .gov or .mil email address, you can make changes to this listing on HowTo.gov.