Washington County RI Information


Washington County Subdivisions

Washington County RI Data & Demographics (As of July 1, 2018)


Total Population 128,703
Population in Households 121,671
Population in Familes 96,104
Population in Group Qrtrs 7,032
Population Density1 391
Diversity Index2 20


Median Household Income $78,882
Average Household Income $100,679
Per Capita Income $39,906


Total Housing Units 63,952 (100%)
Owner Occupied HU 36,200 (56.6%)
Renter Occupied HU 14,042 (22.0%)
Vacant Housing Units 13,710 (21.4%)
Median Home Value $344,495
Average Home Value $416,575


Total Households 50,242
Average Household Size 2.42
Family Households 32,645
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.16% -0.03%
Households 0.26% 0.09%
Families 0.13% 0.01%
Median Household Income   1.98%
Per Capita Income   2.12%


Washington County RI - Peer Comparisons by Rank and Percentile

The table below compares Washington County to the other 5 counties and county equivalents in Rhode Island by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 3 60th
Population Density # 5 20th
Diversity Index # 4 40th
Median Household Income # 1 100th
Per Capita Income # 3 60th

Additional comparisons and rankings can be made with a VERY EASY TO USE Rhode Island Census Data Comparison Tool.