Only one of the top 10 political journos on Twitter, per this list - http://www.politico.com/blogs/media/2015/04/twitters-most-influential-political-journalists-205510.html … - is not a white male, and she's a millionaire.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more