But the most shocking results available thus far make it clear that Trump did far better than polling indicated he would in many suburban battlegrounds, and in others Republican congressional candidates may have benefited from ticket-splitters. Overall, it looks like 2018 was a high-water mark for Democrats — a wave that crested and fell.

Democrats’ unexpected losses ranged from districts in Florida and Texas where sliding Latino support proved costly, blue-trending suburbs where affluent voters split their tickets and rural seats in which Trump’s GOP roared back last week. In the end, Democrats could end up losing around 10 seats, depending on the final counts in the more than a dozen races yet to be resolved.

Here are the most surprising congressional races of 2020 — and what both parties can learn from them…