Baltimore County Population 2018

Baltimore County's estimated population is 832,468 with a growth rate of 0.12% in the past year according to the most recent United States census data. Baltimore County is the 3rd largest county in Maryland.

Year Population Growth Growth Rate
2017832,4681,0370.12%
2016831,4312,0520.25%
2015829,3792,8340.34%
2014826,5453,1810.39%
2013823,3644,7810.58%
2012818,5835,3030.65%
2011813,2806,8750.85%
2010806,405114,27116.51%
1990692,13436,5195.57%
1980655,61534,5385.56%
1970621,077128,64926.13%
1960492,428222,15582.20%
1950270,273114,44873.45%
1940155,82531,26025.10%
1930124,56549,74866.49%
192074,817-47,532-38.85%
1910122,34931,59434.81%
190090,75517,84624.48%
189072,909-10,427-12.51%
188083,33619,94931.47%
187063,3879,25217.09%
186054,135-156,511-74.30%
1850210,64676,26756.76%
1840134,37913,50911.18%
1830120,87024,66925.64%
182096,20120,39126.90%
181075,81016,78028.43%
180059,03020,09351.60%
179038,9370.00%

Baltimore County Population Growth

Population Data via

Baltimore County Race Data

Race Population Percentage
White520,96862.58%
Black or African American233,64028.07%
Asian50,3656.05%
Two or More Races20,1362.42%
American Indian and Alaska Native3,4720.42%
Native Hawaiian and Other Pacific Islander6280.08%

Baltimore 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