How America voted in maps and charts

Americans are electing members of Congress, which is made up of the House of Representatives and the Senate. All 435 House seats are up for election. In the Senate, only 35 of 100 seats are being contested because senators serve six-year terms. This results tracker shows both the races being decided now and the 65 seats that are not up for election this year - 34 held by Democrats and 31 by Republicans.

The results in the Senate are beyond what the Democrats would have expected. North Carolina was a likely pick-up but South Carolina was a huge shock and Kansas had not returned a Democratic senator since 1932. Texas , Iowa , Ohio and Maine have also turned blue and the Democrats held Michigan . There is one toss-up seat to come in Alaska and even Mississippi is now on a knife edge, according to CBS News.

Polls before the election saw South Carolina as leaning Republican. It had been a deep red seat for many years, last returning a Democratic senator in 1998. The shift from Republican to Democrat happened across the country.