According to latest Census data released by the U.S. Census Bureau, Martinsburg’s 2020 population was 18,777. Martinsburg’s population in 2010 was 17,227 representing an increase of 8.99% over the last decade. Martinsburg is the 7th largest city in West Virginia.
Berkeley County was one of eight counties in West Virginia that experienced growth from 2010-2020 from a population of 104,169 in 2010 to 122,076 in 2020:
Berkeley: 17.2%
Monongalia: 10%
Jefferson: 7.9%
Lewis: 4%
Putnam: 3.5%
Preston: 2.1%
Hardy: 2%
Pleasants: 0.6%
Over the next twenty years, the following counties are predicted to grow between 21% and 63% each: Berkeley, Jefferson, Monongalia and Morgan.
