Washington County Population 2018

Washington County's estimated population is 256,348 with a growth rate of 1.33% in the past year according to the most recent United States census data. Washington County is the 5th largest county in Minnesota.

Year Population Growth Growth Rate
2017256,3483,3721.33%
2016252,9762,2160.88%
2015250,7602,0610.83%
2014248,6992,5871.05%
2013246,1122,3790.98%
2012243,7332,3320.97%
2011241,4012,4621.03%
2010238,93993,04363.77%
1990145,89632,32528.46%
1980113,57130,62336.92%
197082,94830,51658.20%
196052,43217,88851.78%
195034,5448,11430.70%
194026,4301,6776.77%
193024,7539924.17%
192023,761-2,252-8.66%
191026,013-1,795-6.45%
190027,8081,8166.99%
189025,9926,42932.86%
188019,5637,75465.66%
187011,8095,68692.86%
18606,1235,067479.83%
18501,0560.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White218,95285.41%
Asian13,9735.45%
Black or African American11,0544.31%
Two or More Races5,5972.18%
American Indian and Alaska Native1,3210.52%
Native Hawaiian and Other Pacific Islander2060.08%

Washington County Population Pyramid

0k2k4k6k8k10k Male Population0k2k4k6k8k10k 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