According to the American Political Science Association, a bachelor’s degree in political science can lead to exciting careers in federal, state and local governments; law; business; international organizations; nonprofit associations and organizations; campaign management and polling; journalism; precollegiate education; electoral politics; research; and university- and college-level teaching.
Political science majors gain analytical skills, administrative competence and communication abilities that are valued in a wide spectrum of potential career areas.

For more information, please see:

American Political Science Association: Careers in Political Science
Education Portal: What Can I Do with a Political Science Degree? 
Bureau of Labor Statistics, Occupational Outlook Handbook: Political Scientists
Princeton Review: Political Science Majors, Classroom to Career
About Careers: What To Do with a Degree in Political Science