Timpf was a 2012 Robert Novak Journalism Fellowship Program grant awardee through The Fund for American Studies, and completed a project titled, "As California Goes, So Goes the Nation: The Consequences of Following Golden State Policy."
In December 2015, Timpf wrote that Democratic presidential candidate Hillary Clinton was a “fake feminist" due to Clinton's treatment of the women who accused her husband, Bill Clinton, of various sexual offenses.
On March 20, 2016, she started a weekly podcast called The Kat Timpf Show, in which she talks to a guest about random subjects, including her personal life.
On May 1, 2017, Timpf became a co-host for Fox News Channel's afternoon show called Fox News Specialists with co-hosts Eric Bolling and Eboni Williams. Fox News Specialists was cancelled on September 8, 2017, after Eric Bolling departed from the network.
Timpf has been a contributor to publications including the Orange County Register, Investor's Business Daily, and The Washington Times, and a featured Comedian on the morning drive radio show on Baltimore’s 98 Rock.
