Washington County Population 2018

Washington County's estimated population is 31,593 with a growth rate of 0.09% in the past year according to the most recent United States census data. Washington County is the 14th largest county in Maine.

Year Population Growth Growth Rate
201731,593270.09%
201631,566-181-0.57%
201531,747-181-0.57%
201431,928-348-1.08%
201332,276-275-0.84%
201232,551-164-0.50%
201132,715-112-0.34%
201032,827-2,481-7.03%
199035,3083450.99%
198034,9635,10417.09%
197029,859-3,049-9.27%
196032,908-2,279-6.48%
195035,187-2,580-6.83%
194037,767-59-0.16%
193037,826-3,883-9.31%
192041,709-1,196-2.79%
191042,905-2,327-5.14%
190045,2327501.69%
189044,482-2-0.00%
188044,4841,1412.63%
187043,3438091.90%
186042,5343,7239.59%
185038,81110,48437.01%
184028,3277,03333.03%
183021,2948,55067.09%
182012,7444,87461.93%
18107,8703,40976.42%
18004,4611,70361.75%
17902,7580.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White28,92891.56%
American Indian and Alaska Native1,6825.32%
Two or More Races6312.00%
Black or African American2030.64%
Asian1500.47%
Native Hawaiian and Other Pacific Islander100.03%

Washington County Population Pyramid

0k0k0k1k1k1k1k1k Male Population0k0k0k1k1k1k1k1k 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