Monte Rio is a CDP located in Sonoma County, California. Monte Rio has a 2025 population of 676 . Monte Rio is currently declining at a rate of -4.52% annually and its population has decreased by -33.92% since the most recent census, which recorded a population of 1,023 in 2020.
The average household income in Monte Rio is $98,531 with a poverty rate of 16.6%. The median age in Monte Rio is 63.4 years: 63.5 years for males, and 61.8 years for females. For every 100 females there are 142.9 males.
Data after 2023 is projected based on recent change
The racial composition of Monte Rio includes 86.14% White, 7.97% other race, and smaller percentages for Native American, Asian and multiracial populations.
White (86.14%)
Other race (7.97%)
Two or more races (4.44%)
Native American (1.05%)
Asian (0.39%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 659 | 86.14% |
| Other race | 61 | 7.97% |
| Two or more races | 34 | 4.44% |
| Native American | 8 | 1.05% |
| Asian | 3 | 0.39% |
Married
Widowed
Divorced
Separated
Never Married
Monte Rio's average per capita income is $0. Household income levels show a median of $48,922. The poverty rate stands at 16.6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $141,458 | - |
| Households | $48,922 | $98,531 |
| Non Families | $38,382 | $85,289 |
| Families | - | $107,940 |
Average Income
Median Household Income
Poverty Rate