Muir Beach, CA demographics:
population, income, and more

Total population
311
-22.1% year-over-year change
Median household income
$140,227/yr
-11.0% year-over-year change
Housing units
187
-7.9% year-over-year change

Muir Beach population

How many people live in Muir Beach

Muir Beach is home to 311 residents, according to the most recent Census data. Gender-wise, 58.8% of Muir Beach locals are male, and 41.2% are female.

Total population
311
-22.1% year-over-year change
Gender ratio
Male
58.8%
183
Female
41.2%
128
Value Percent YoY change
Male 183 58.8% -25.9%
Female 128 41.2% -15.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Muir Beach is 64, with the population distributed as follows: about 1% are children under 15, then 12.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 3.9% of the population, while another 39.6% fall into the 45 to 64 bracket. Finally, around 43.1% are 65 or older.

Median age
63.7
Age breakdown
Under 15
1%
15 to 24
12.5%
25 to 44
3.9%
45 to 64
39.6%
Over 65
43.1%
Value Percent YoY change
Under 15 3 1% -88.9%
15 to 24 39 12.5% -13.3%
25 to 44 12 3.9% -76.9%
45 to 64 123 39.6% -7.5%
Over 65 134 43.1% -5.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Muir Beach, 82.6% of the population are US-born citizens, while 12.2% have gained naturalized citizenship. At the same time, 5.1% of residents are non-citizens. There’s also a share of 7.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
82.6%
Non-U.S.-born citizens
12.2%
Non-citizens
5.1%
Value Percent YoY change
U.S.-born citizens 257 82.6% -21.4%
Non-U.S.-born citizens 38 12.2% -28.3%
Non-citizens 16 5.1% -15.8%
Racial breakdown
White
88.8%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.7%
Other
3.5%
Value Percent
White 276 88.8%
Two or more races 24 7.7%
Other 11 3.5%

Households in Muir Beach

A peek inside Muir Beach households

Muir Beach has 162 households, with an average of 2 members in each. Of these, 57.4% are families, while the remaining 42.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
162
-12.9% year-over-year change
Average people per household
2
Non-family households
69
Family households
93
Value Percent YoY change
Non-family households 69 42.6% -8.0%
Family households 93 57.4% -16.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Muir Beach

The housing landscape of Muir Beach

Muir Beach's housing consists of 187 units, with 96.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.2% and offer a more compact, shared living style.

Housing units
187
-7.9% year-over-year change
Housing types
Value Percent
1 unit, detached 181 96.8%
1 unit, attached 6 3.2%
Homes built since 2020
0
% year-over-year change

The age of buildings in Muir Beach

In Muir Beach, the median construction year is 1971. About 15% of homes were built before the 1940s, with another 13.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 28 15% 12.0%
Built between 1940 and 1949 25 13.4% 0.0%
Built between 1950 and 1959 28 15% -48.1%
Built between 1960 and 1969 3 1.6% -25.0%
Built between 1970 and 1979 91 48.7% 23.0%
Built between 2010 and 2019 12 6.4% 71.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Muir Beach occupancy rates

Out of the 162 occupied housing units in Muir Beach, 87.6% are owner-occupied, while 12.4% are lived in by tenants. Meanwhile, 13.4% of all homes on the local market sit vacant.

Occupied housing units
162
-12.9% year-over-year change
Occupancy breakdown
Renter occupied
20
Owner occupied
142
Value Percent YoY
change
Renter occupied 20 12.4% 0.0%
Owner occupied 142 87.6% -14.5%
Unoccupied housing units
13.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Muir Beach housing costs

Housing costs in Muir Beach come to a median of $3,250 per month, while tenants specifically pay a median gross rent of $3,501.

Median housing costs per month
$3,250/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Muir Beach
$3,501/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Muir Beach

Muir Beach education at a glance

About 12.4% of the population in Muir Beach went to high school, while 24.5% pursued college studies. Another 1.7% earned an associate degree and 26.6% hold a bachelor’s. Meanwhile, 34.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 36 12.4% 44.0%
College diploma 71 24.5% -10.1%
Associate degree 5 1.7% 25.0%
Bachelor's degree 77 26.6% -26.0%
Graduate degree 101 34.8% -27.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Muir Beach

How much people earn in Muir Beach

The average annual household income in Muir Beach was $210,748 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -7.6% change from the previous year. At the same time, the median income stood at $140,227, reflecting a -11% shift over the same period.

Average household income in Muir Beach
$210,748/year
-7.6% year-over-year change
Median household income in Muir Beach
$140,227/year
-11.0% year-over-year change

Muir Beach income by age

Overall, 92% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Over 65 $142,045 -21.5%
Above poverty level
286
Below poverty level
25
Value Percent YoY
change
Above poverty level 286 92% -17.6%
Below poverty level 25 8% -37.5%

Average renter income in Muir Beach

To get a better sense of what renters earn on average in Muir Beach, their median household income was $142,813 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 29.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$142,813
Rent-to-income ratio
29.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Muir Beach

Workforce and job types in Muir Beach

The job market in Muir Beach is powered by 164 working residents, spread across a range of industries and roles. 81.1% of the working population are employed in professional or administrative positions, while 18.9% are in hands-on or service-based jobs.

Workforce demographics

Working population
164
-14.1% year-over-year change
White collar
133
Blue collar
31
Value Percent YoY change
White collar 133 81.1% -14.7%
Blue collar 31 18.9% -11.4%
Employer type
Self employees
34.8%
Private companies
47.6%
Governmental workers
0%
Not for profit companies
17.7%
Value Percent YoY change
Self employees 57 34.8% -10.9%
Private companies 78 47.6% -3.7%
Not for profit companies 29 17.7% -37.0%
Unemployment rate
2.4%
-81.0% year-over-year change

Available workforce

The unemployment rate in Muir Beach stands at 2.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Muir Beach

How people get around in Muir Beach

In Muir Beach, the average commute time is 32 minutes.

Commute time
32 min
Means of transportation
Value Percent YoY change
Car 76 46.3% -21.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Muir Beach demographics 

What is the total population of Muir Beach?

Muir Beach has a total population of 311 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -22.1% compared to a year ago.

What is the gender ratio in Muir Beach?

The gender ratio in Muir Beach is as follows:
  • 58.8% males (183 residents)
  • 41.2% females (128 residents)

What is the median age in Muir Beach?

The median age in Muir Beach is 63.7.

What is the age distribution of the population in Muir Beach?

The age distribution in Muir Beach is as follows:
  • Under 15: 1% (3 residents)
  • Ages 15-24: 12.5% (39 residents)
  • Ages 25-44: 3.9% (12 residents)
  • Ages 45-64: 39.6% (123 residents)
  • Over 65: 43.1% (134 residents)

What is the racial and ethnic makeup of Muir Beach?

The racial and ethnic makeup of Muir Beach is as follows:
  • White: 88.8% (276 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.7% (24 residents)
  • Other: 3.5% (11 residents)

What percentage of the population in Muir Beach are U.S.-born citizens?

U.S.-born citizens represent 82.6% of the population in Muir Beach.

How many housing units are there in Muir Beach?

There are 187 housing units in Muir Beach, reflecting a -7.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Muir Beach and what is the average household size?

Muir Beach has a total of 162 households, with an average of 2 people in each.

What is the median household income in Muir Beach?

Muir Beach has a median household income of $140,227, representing a -11.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Muir Beach?

The employment rate is 97.6% in Muir Beach, with a workforce of 164 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.1% (133 residents)
  • Blue-collar workers: 18.9% (31 residents)

Places of employment:
  • Self-employed: 34.8% (57 residents)
  • Private companies: 47.6% (78 residents)
  • Governmental workers: 0% (0 residents)
  • Not-for-profit companies: 17.7% (29 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025