Washington County's estimated 2026 population is 130,521 with a growth rate of 0.07% in the past year according to the most recent United States census data. Washington County is the 3rd largest county in Rhode Island. The 2010 population was 127,094 and has seen a growth of 2.7% since that time.
Data after 2023 is projected based on recent change
The racial composition of Washington County includes 90.39% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (90.39%)
Two or more races (4.83%)
Asian (2.18%)
Black or African American (1.33%)
Other race (0.94%)
Native American (0.29%)
Native Hawaiian or Pacific Islander (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 117,574 | 90.39% |
| Two or more races | 6,287 | 4.83% |
| Asian | 2,840 | 2.18% |
| Black or African American | 1,729 | 1.33% |
| Other race | 1,226 | 0.94% |
| Native American | 380 | 0.29% |
| Native Hawaiian or Pacific Islander | 37 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Washington County's average per capita income is $62,086. Household income levels show a median of $102,478. The poverty rate stands at 7.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $144,065 | - |
| Families | $128,241 | $157,762 |
| Households | $102,478 | $130,358 |
| Non Families | $54,918 | $74,805 |
Average Income
Median Household Income
Poverty Rate