Chester County Population 2017

Chester County's estimated population is 516,312 with a growth rate of 0.21% in the past year according to the most recent United States census data. Chester County is the 7th largest county in Pennsylvania.

Year Population Growth Growth Rate
2016516,3121,0590.21%
2015515,2532,3540.46%
2014512,8993,5030.69%
2013509,3963,1180.62%
2012506,2782,6260.52%
2011503,6523,6890.74%
2010499,963123,56732.83%
1990376,39659,73618.86%
1980316,66038,34913.78%
1970278,31167,70332.15%
1960210,60851,46732.34%
1950159,14123,51517.34%
1940135,6268,9977.11%
1930126,62911,50910.00%
1920115,1205,9075.41%
1910109,21313,51814.13%
190095,6956,3187.07%
189089,3775,8967.06%
188083,4815,6767.30%
187077,8053,2274.33%
186074,5788,14012.25%
185066,4388,92315.51%
184057,5156,60512.97%
183050,9106,45914.53%
182044,4514,85512.26%
181039,5967,50323.38%
180032,0934,15614.88%
179027,9370.00%

Chester County Population Growth

Population Data via

Chester County Race Data

Race Population Percentage
White445,63286.31%
Black or African American32,5866.31%
Asian25,9785.03%
Two or More Races9,3071.80%
American Indian and Alaska Native1,4400.28%
Native Hawaiian and Other Pacific Islander3100.06%

Chester County Population Pyramid

0k5k10k15k20kChester County Male Population0k5k10k15k20kChester County Female Population

Population of Cities in Chester County

City 2010 Census 2016 Estimated Growth Growth Rate
Pottstown22375226612861.28%
West Chester184611992814677.95%
Phoenixville16440168854452.71%
Coatesville1310213064-38-0.29%
Downingtown78917905140.18%
Kennett Square60626160981.62%
Oxford507753923156.20%
Parkesburg359337471544.29%
Malvern2998341041213.74%
Spring City33233301-22-0.66%
West Grove28542842-12-0.42%
Honey Brook17131746331.93%
Atglen14061402-4-0.28%
Avondale1265139412910.20%
Elverson12251311867.02%
Modena535524-11-2.06%
Unionville296295-1-0.34%
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