Heck was first elected to serve the 10th Congressional District in Washington state in 2012 and was reelected in 2014, 2016 and 2018. His fourth and final term ends in 2020.
UHeck waba ngowokuqala ukuqokelwa Emkhandlwini Wesigodi weshumi esifundeni saseWashington ngo-2012 waphinde waqokwa ngo-2014, 2016 nango-2018. Okwesine nokokugcina kuphela ngo-2020.