Montgomery County Population 2018

Montgomery County's estimated population is 826,075 with a growth rate of 0.66% in the past year according to the most recent United States census data. Montgomery County is the 3rd largest county in Pennsylvania.

Year Population Growth Growth Rate
2017826,0755,4190.66%
2016820,6562,7870.34%
2015817,8691,9220.24%
2014815,9473,1090.38%
2013812,8383,9260.49%
2012808,9123,7260.46%
2011805,1864,2050.52%
2010800,981122,87018.12%
1990678,11134,4905.36%
1980643,62119,8223.18%
1970623,799107,11720.73%
1960516,682163,61446.34%
1950353,06863,82122.06%
1940289,24723,4438.82%
1930265,80466,49433.36%
1920199,31029,72017.52%
1910169,59030,59522.01%
1900138,99515,70512.74%
1890123,29026,79627.77%
188096,49414,88218.24%
187081,61211,11215.76%
186070,50012,20920.94%
185058,29111,05023.39%
184047,2417,83519.88%
183039,4063,61310.09%
182035,7936,09020.50%
181029,7035,55322.99%
180024,1501,2215.33%
179022,9290.00%

Montgomery County Population Growth

Population Data via

Montgomery County Race Data

Race Population Percentage
White660,95480.01%
Black or African American77,3749.37%
Asian61,4167.43%
Two or More Races16,5132.00%
American Indian and Alaska Native1,6420.20%
Native Hawaiian and Other Pacific Islander4640.06%

Montgomery County Population Pyramid

0k5k10k15k20k25k30k35k Male Population0k5k10k15k20k25k30k35k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990