>> Wisconsin was the tipping point for Donald Trump's victory.

When our results came in, they pushed him over the top.

Final results Trump with 49.7% of the vote to Kamala Harris's 48.8%.

In Wisconsin's U.S. Senate race, incumbent Democrat Tammy Baldwin beat Republican Eric Hovde by a similarly close margin, with Baldwin at 49.4% to Hovde 48.5%.

Senior political reporter Zach Schultz has more now.

>> Election day 2024 arrived with gray skies and a steady rain as voters cast their ballots.

Democrats were convinced Kamala Harris was pulling away in the final days of the election.

>> There were a lot of people who didn't think we could do this.

chairman of the Republican Party of Wisconsin.

He says it was the hard work of thousands of volunteers who convinced voters to send Donald Trump back to the white House.

>> This got done because volunteers and staff across this state went out and talked to over a million and a half voters.

started coming in and showed the race for president and U.S. Senate would be tight.

The election night party for Democrat Tammy Baldwin was largely empty.

Baldwin herself never showed.

It was up to Lieutenant Governor Sarah Rodriguez to inform the handful of supporters it would be a late night.

some of these results roll in, and I want to level with you.

We are likely not going to know the Senate results until much, much later in the evening.

>> Republican Eric Hovde mingled with guests at his party, and at least they could celebrate as state after state was called for.

Donald Trump.

Finally, when it was clear the absentee ballots out of the city of Milwaukee, central count would not be enough for Harris to catch up to Trump in Wisconsin.

The room erupted.

>> Wisconsin is the state that put Donald Trump over 270 electoral votes last night.

>> However, there were enough votes left for Baldwin to surpass Hovde, although she had to wait a long time to deliver her victory speech.

>> And to the people of Wisconsin, thank you for putting your trust in me as your United your trust in me as your United