According to the data, Montgomery County's population grew from 536,434 residents to 556,203 residents between 2015 and 2016, adding more than 19,000 residents during that time. Since 2010, the county's population has increased 22 percent.
Montgomery County saw a natural increase of 3,555 individuals between 2015 and 2016, which is the difference between births and deaths in the county, according to Census Bureau data.
Additionally, data shows more residents migrated to Montgomery County from within the U.S. than internationally between 2015 and 2016.
Census data on cities and towns, as well as national, state and county population estimates by age, sex, race and Hispanic origin are expected later this year, a news release from the U.S. Census Bureau stated.