Muir Beach Demographics and Population Trends
Muir Beach is a unique coastal community that first appeared as a census designated place (CDP)—a statistical entity defined by the U.S. Census Bureau for areas that lack a separate municipal government—in the 2000 U.S. Census. Characterized by its small population and distinct residential patterns, the community has maintained a stable size over the last two decades.
Between 2000 and 2020, the population of Muir Beach fluctuated slightly, peaking at 310 residents in 2010 before settling at 304 by 2020. This stability reflects the limited geographic footprint and the preserved nature of the surrounding landscape.
Key Facts
- Current Population: 304 residents as of the 2020 Census.
- Median Age: 53.7 years (2020), indicating an older adult population.
- Population Density: 616.6 inhabitants per square mile.
- Housing: High rate of owner-occupancy at 74.8% in 2020.
- Economic Status: Median household income was $125,402 in 2000.
Population and Racial Composition
The demographic makeup of Muir Beach has remained predominantly White, though there is a small, diverse presence of other ethnic groups. In 2020, the racial composition was 89.8% White, 3.3% Asian, 3.9% from two or more races, 1.6% African American, and 0.3% Native American. Additionally, 3.3% of the population identified as Hispanic or Latino of any race.
Comparing the 2000 and 2020 data shows a slight decrease in the percentage of Non-Hispanic White residents, moving from 91.19% to 88.82%, while the Hispanic or Latino population grew from 2.03% to 3.29%.
| Census Year | Total Population | Population Change (%) | Population Density (per sq mi) |
|---|---|---|---|
| 2000 | 295 | — | Not Specified |
| 2010 | 310 | +5.1% | 629.0 |
| 2020 | 304 | -1.9% | 616.6 |
Household and Housing Dynamics
Residential life in Muir Beach is characterized by a high proportion of owner-occupied homes. In 2020, there were 160 housing units, with 84.4% of them occupied. Of those occupied units, 74.8% were owned by the residents, while 25.2% were rentals.
Household structures vary significantly. In 2020, 48.1% of households were married couples, while 29.6% consisted of a single person. Families made up 60% of all households, with an average household size of 2.21 people. Approximately 23.7% of households included children under the age of 18.
Age and Gender Distribution
The community skews toward an older demographic. The median age rose from 52.6 years in 2010 to 53.7 years in 2020. The largest age group in 2020 was those aged 65 and older, representing 33.2% of the population. In terms of gender balance, the 2020 census recorded 108.2 males for every 100 females.
Economic Profile
Based on the 2000 census data, Muir Beach exhibited a strong economic profile. The median household income was $125,402, and the median family income was higher at $152,174. The per capita income—the average income earned per person—was $66,476. Notably, no families were living below the poverty line at that time, although 10.5% of the total population was reported as living below the poverty line.
Frequently Asked Questions
What is the current population of Muir Beach?
According to the 2020 U.S. Census, the population of Muir Beach was 304 people.
Is Muir Beach primarily a community of renters or homeowners?
It is primarily a community of homeowners; as of 2020, 74.8% of occupied housing units were owner-occupied.
What is the median age of residents in Muir Beach?
The median age was 53.7 years in 2020, with the largest segment of the population being those aged 65 or older.
How has the population changed since 2000?
The population grew from 295 in 2000 to 310 in 2010, and then saw a slight decrease to 304 in 2020.
What was the median household income in Muir Beach?
In the 2000 census, the median household income was reported as $125,402.