Johnston is located in Providence County, Rhode Island. Johnston has a 2025 population of 30,749 . Johnston is currently growing at a rate of 1.27% annually and its population has increased by 4.08% since the most recent census, which recorded a population of 29,544 in 2020.
The average household income in Johnston is $114,342 with a poverty rate of 8.63%. The median age in Johnston is 43 years: 42.9 years for males, and 43.2 years for females. For every 100 females there are 85.0 males.
Data after 2023 is projected based on recent change
The racial composition of Johnston includes 76.75% White, 3.8% other race, 3.62% Black or African American, and smaller percentages for Native American, Asian and multiracial populations.
White (76.75%)
Two or more races (14.21%)
Other race (3.8%)
Black or African American (3.62%)
Native American (0.87%)
Asian (0.75%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 22,686 | 76.75% |
| Two or more races | 4,199 | 14.21% |
| Other race | 1,124 | 3.8% |
| Black or African American | 1,071 | 3.62% |
| Native American | 257 | 0.87% |
| Asian | 222 | 0.75% |
Married
Widowed
Divorced
Separated
Never Married
Johnston's average per capita income is $59,997. Household income levels show a median of $87,514. The poverty rate stands at 8.63%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,400 | - |
| Families | $104,950 | $135,212 |
| Households | $87,514 | $114,342 |
| Non Families | $59,026 | $62,268 |
Average Income
Median Household Income
Poverty Rate