Riverside is a city located in Washington County, Iowa. Riverside has a 2025 population of 1,065 . Riverside is currently growing at a rate of 0.19% annually and its population has increased by 0.95% since the most recent census, which recorded a population of 1,055 in 2020.
The average household income in Riverside is $87,691 with a poverty rate of 3.77%. The median age in Riverside is 40.6 years: 43.4 years for males, and 38.4 years for females. For every 100 females there are 91.2 males.
Data after 2023 is projected based on recent change
The racial composition of Riverside includes 91.92% White, 4.62% other race, and smaller percentages for Two or more races, Black or African American and multiracial populations.
White (91.92%)
Other race (4.62%)
Two or more races (2.31%)
Black or African American (1.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 956 | 91.92% |
| Other race | 48 | 4.62% |
| Two or more races | 24 | 2.31% |
| Black or African American | 12 | 1.15% |
Married
Widowed
Divorced
Separated
Never Married
Riverside's average per capita income is $54,091. Household income levels show a median of $81,094. The poverty rate stands at 3.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,750 | - |
| Families | $104,167 | $112,695 |
| Households | $81,094 | $87,691 |
| Non Families | $38,750 | $52,097 |
Average Income
Median Household Income
Poverty Rate