Montgomery County Population 2017

Montgomery County's estimated population is 821,725 with a growth rate of 0.41% 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
2016821,7253,3620.41%
2015818,3632,0130.25%
2014816,3502,9500.36%
2013813,4003,8600.48%
2012809,5404,0400.50%
2011805,5004,3880.55%
2010801,112123,00118.14%
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
White660,95480.43%
Black or African American77,3749.42%
Asian61,4167.47%
Two or More Races16,5132.01%
American Indian and Alaska Native1,6420.20%
Native Hawaiian and Other Pacific Islander4640.06%

Montgomery County Population Pyramid

0k5k10k15k20k25k30k35kMontgomery County Male Population0k5k10k15k20k25k30k35kMontgomery County Female Population

Population of Cities in Montgomery County

City 2010 Census 2016 Estimated Growth Growth Rate
Norristown3432434370460.13%
Pottstown22375226612861.28%
Lansdale16269165212521.55%
Conshohocken783379821491.90%
Hatboro73607434741.01%
Souderton661868832654.00%
Ambler64176500831.29%
Collegeville508952541653.24%
Telford48664847-19-0.39%
Royersford47524762100.21%
Bridgeport4554456170.15%
Jenkintown4422442200.00%
Narberth42824330481.12%
Pennsburg38433867240.62%
Hatfield32903318280.85%
North Wales32293242130.40%
East Greenville29512979280.95%
Red Hill23832378-5-0.21%
Schwenksville13851397120.87%
Bryn Athyn13661390241.76%
Green Lane505498-7-1.39%
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