Monte Rio Flag

Monte Rio

County:
Sonoma County
County Seat:
No
Area (mi²):
1.905
State:
California

Monte Rio is a CDP located in Sonoma County, California. Monte Rio has a 2026 population of 676. Monte Rio is currently declining at a rate of -4.11% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Monte Rio is $63,750 with a poverty rate of 12.33%. The median age in Monte Rio is 62.9 years: 63.1 years for males, and 62.5 years for females. For every 100 females there are 118.5 males.

676
Total Population
355
Density (mi²)
-29 -4.11%
Growth

Monte Rio Population

Monte Rio Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026676-29-4.11%
2025705-30-4.08%

Median Age

Overall: 62.9 years
Female: 62.5 years
Male: 63.1 years

Monte Rio Adults

There are 865 adults, (381 of whom are seniors) in Monte Rio.

Sex Ratio

Female: 401 (45.8%)
Male: 475 (54.2%)

Demographics

The racial composition of Monte Rio includes 88.58% White, 6.62% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White77688.58%
Other race586.62%
Two or more races384.34%
Native American40.46%
Race
Population ↓
Percentage (of total)
Other race536.05%
Two or more races323.65%
White70.8%
Native American40.46%
Race
Population ↓
Percentage (of total)
White76987.79%
Two or more races60.68%
Other race50.57%

Monte Rio Marital Status

Economics and Income Statistics

Monte Rio 's average per capita income is $53,913. Household income levels show a median of $63,750. The poverty rate stands at 12.33%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$146,750-
Families$72,552$127,616
Households$63,750$113,074
Non Families$61,750$91,140

$53,913

Average Income

$63,750

Median Household Income

12.33%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)