<p>A map showing incumbents running in the <a href="https://en.wikipedia.org/wiki/United_States_House_of_Representatives_elections,_2012" class="extiw" title="en:United States House of Representatives elections, 2012">United States House of Representatives elections, 2012</a>
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<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#3072af;color:#202122;text-align:center;"> </div> Democratic incumbent</div><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#5fb2ff;color:#202122;text-align:center;"> </div> Two Democratic incumbents</div><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#b9599a;color:#202122;text-align:center;"> </div> One Democratic incumbent and one Republican incumbent</div><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#d53034;color:#202122;text-align:center;"> </div> Republican incumbent</div><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#ff5f62;color:#202122;text-align:center;"> </div> Two Republican incumbents</div><div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#333;color:#202122;text-align:center;"> </div> Primary has not been held</div>
<a href="//commons.wikimedia.org/wiki/User:Mr._Matt%C3%A9" title="User:Mr. Matté">Mr. Matté</a> <b>(if there is an issue with this image, contact me using <a href="//commons.wikimedia.org/wiki/File_talk:2012_House_elections_incumbents.svg" title="File talk:2012 House elections incumbents.svg">this image's Commons talk page</a> or my <a href="https://en.wikipedia.org/wiki/User_talk:Mr._Matt%C3%A9" class="extiw" title="en:User talk:Mr. Matté">English Wikipedia talk page</a>; I'll know about it a lot faster)</b>
Based off of <a href="//commons.wikimedia.org/wiki/File:113th_U.S._Congress_House_districts_blank.svg" title="File:113th U.S. Congress House districts blank.svg">File:113th U.S. Congress House districts blank.svg</a>, created by me and in the public domain