Nicasio Flag

Nicasio

County:
Marin County
County Seat:
No
Area (mi²):
1.305
State:
California

Nicasio is a CDP located in Marin County, California. Nicasio has a 2025 population of 104. Nicasio is currently growing at a rate of 7.22% annually but its population has decreased by -15.45% since the most recent census, which recorded a population of 123 in 2020.

The average household income in Nicasio is $402,405 with a poverty rate of 0%. The median age in Nicasio is 53.2 years: 51.9 years for males, and 53.5 years for females.

104
Total Population
80
Density (mi²)
7 7.22%
Growth

Nicasio Population

Nicasio Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Nicasio includes 94.69% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White10794.69%
Two or more races43.54%
Asian21.77%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

Nicasio Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Nicasio's average per capita income is $88,958. Household income levels show a median of $236,250. The poverty rate stands at 0%.

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
Families$250,001$501,069
Married Families$250,001-
Households$236,250$402,405
Non Families--

$88,958

Average Income

$236,250

Median Household Income

0%

Poverty Rate

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)