Washington County Population 2018

Washington County's estimated population is 126,150 with a growth rate of 0.13% in the past year according to the most recent United States census data. Washington County is the 3rd largest county in Rhode Island.

Year Population Growth Growth Rate
2017126,1501690.13%
2016125,981-161-0.13%
2015126,142-171-0.14%
2014126,313-51-0.04%
2013126,3641410.11%
2012126,223-248-0.20%
2011126,471-604-0.48%
2010127,07517,06915.52%
1990110,00616,68917.88%
198093,3179,73111.64%
197083,58624,53241.54%
196059,05410,51221.66%
195048,54216,04949.39%
194032,4933,15910.77%
193029,3344,40217.66%
192024,932-10-0.04%
191024,9427883.26%
190024,1545052.14%
189023,6491,1545.13%
188022,4952,39811.93%
187020,0971,3827.38%
186018,7152,28513.91%
185016,4302,10614.70%
184014,324-1,087-7.05%
183015,411-276-1.76%
182015,6877254.85%
181014,962-1,173-7.27%
180016,135-1,940-10.73%
179018,0750.00%

Washington County Population Growth

Population Data via

Washington County Race Data

Race Population Percentage
White118,48293.92%
Asian2,5091.99%
Two or More Races2,3461.86%
Black or African American1,7281.37%
American Indian and Alaska Native1,2070.96%
Native Hawaiian and Other Pacific Islander480.04%

Washington County Population Pyramid

0k1k2k3k4k5k6k Male Population0k1k2k3k4k5k6k 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