Governorship of Sarah Palin December 4, 2006, and maintained a high approval rating throughout her term. On July 3, 2009, Sarah Palin announced her resignation as governor of Alaska. She stepped down on July 26, 2009, being replaced by Lieutenant Governor Sean Parnell. Palin had championed ethics reform throughout her election campaign. Her first legislative action after taking office was to push for a bipartisan ethics reform bill. She signed the resulting legislation in July 2007, calling it a "first step" declaring that she remains determined to clean up Alaska politics. However, Palin was also the subject of an ethics probe concerning her brother-in-law,
Alaska one week before the election. The conviction was set aside in April 2009 after evidence of prosecutorial misconduct emerged. Republican Frank Murkowski held the state's other senatorial position. After being elected governor in 2002, he resigned from the Senate and appointed his daughter, State Representative Lisa Murkowski as his successor. She won full six-year terms in 2004, 2010 and 2016. Alaska is not divided into counties, as most of the other U.S. states, but it is divided into "boroughs". Many of the more densely populated parts of the state are part of Alaska's 16 boroughs, which function somewhat similarly to