MONTOURSVILLE, Pa. ― At a rally on Monday, President Donald Trump took several digs at former Vice President Joe Biden, who is running for the Democratic presidential nomination in 2020.

The president spoke Monday at a “Make America Great Again” rally in Montoursville, a small town in rural, central Pennsylvania ― a battleground state that Trump won in 2016.

“Biden deserted you, he’s not from Pennsylvania,” Trump said. “I guess he was born here, but he left you folks, he left for another state.”

“This guy talks about ‘I know Scranton.’ I know the places better,” he added. “He didn’t take care of you because he didn’t take care of your jobs.”

Biden, 76, was born in Scranton, Pennsylvania, but moved to Delaware with his family at age 10. Later he served as U.S. senator for Delaware from 1973 to 2009, when he became Barack Obama’s vice president.

Over the weekend, Biden formally launched his 2020 bid with a rally in Philadelphia, the city where his campaign is headquartered, and slammed Trump as the “divider-in-chief.”

At Trump’s rally on Monday, the president compared the crowd sizes for Biden’s rally and his.

“We have thousands of people … look at the thousands and thousands of people we have,” Trump said. “They said [Biden] had 600 people ... I’d say 150.”

Biden’s team said in a campaign email Saturday that there were about 6,000 people at Biden’s launch rally in Philadelphia.

In a crowded Democratic field of more than 20 candidates ― the country’s most diverse ever, with several women and people of color running ― Biden has been leading in early polls.