Percent change in population in Maryland counties
BY AADIT TAMBE
Census data shows a 7% increase in Maryland's population in the last decade. Frederick County saw the
highest increase in residents (16.4%), while Allegany County experienced the sharpest decrease (-9.3%).
Click on a county to see the percent change in population from 2010 to 2020.
Source: Analysis of 2020 data from the US Census
Bureau