Portland’s Maine-born population has dropped to 40%. Is that a problem?

At the top of Munjoy Hill on a weekday morning this month, residents of the neighborhood crisscrossed Congress Street carrying coffee cups and holding dog leashes. Among them were an international student at Southern Maine Community College, a Washington Avenue restaurant owner originally from Massachusetts, a filmmaker who relocated from Michigan in 2019 and a Vermont native who moved here three years ago, maybe for good.