Rockland County’s 0.9 percent growth rate was the fastest statewide over the year, new Census estimates show.
New York City continued to grow slowly last year while many upstate counties posted small population losses. The city grew 0.62 percent, to 8.49 million people. Long Island and Westchester and Rockland counties also grew modestly over the year.
Sullivan County lost 1.37 percent of its population over the year, the fastest rate of loss in the state.