Lancaster County Population 2017

Lancaster County's estimated population is 538,500 with a growth rate of 0.40% in the past year according to the most recent United States census data. Lancaster County is the 6th largest county in Pennsylvania.

Year Population Growth Growth Rate
2016538,5002,1510.40%
2015536,3492,6990.51%
2014533,6503,4610.65%
2013530,1893,3250.63%
2012526,8643,1750.61%
2011523,6893,3280.64%
2010520,36197,53923.07%
1990422,82260,47616.69%
1980362,34642,65313.34%
1970319,69341,33414.85%
1960278,35943,64218.59%
1950234,71722,21310.45%
1940212,50415,6227.93%
1930196,88223,08513.28%
1920173,7976,7684.05%
1910167,0297,7884.89%
1900159,24110,1466.81%
1890149,0959,6486.92%
1880139,44718,10714.92%
1870121,3405,0264.32%
1860116,31417,37017.56%
185098,94414,74117.51%
184084,2037,5729.88%
183076,6318,29512.14%
182068,33614,40926.72%
181053,92710,52424.25%
180043,4037,25620.07%
179036,1470.00%

Lancaster County Population Growth

Population Data via

Lancaster County Race Data

Race Population Percentage
White485,47590.15%
Black or African American25,8194.79%
Asian12,2302.27%
Two or More Races10,1471.88%
American Indian and Alaska Native2,1440.40%
Native Hawaiian and Other Pacific Islander5340.10%

Lancaster County Population Pyramid

0k5k10k15k20kLancaster County Male Population0k5k10k15k20kLancaster County Female Population

Population of Cities in Lancaster County

City 2010 Census 2016 Estimated Growth Growth Rate
Lancaster5932259218-104-0.18%
Ephrata13394138334393.28%
Elizabethtown1154511629840.73%
Columbia1040210359-43-0.41%
Lititz91859210250.27%
Millersville816783832162.64%
Mount Joy739381047119.62%
New Holland53785435571.06%
Manheim48624856-6-0.12%
East Petersburg45064520140.31%
Akron388339831002.58%
Denver3863386740.10%
Strasburg280929391304.63%
Mountville28022849471.68%
Quarryville260527481435.49%
Marietta25882601130.50%
Adamstown17891838492.74%
Terre Hill129513971027.88%
Christiana1168116800.00%
Brownstown744699-45-6.05%
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