Muir Beach, CA Profile: Facts, Map & Data


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Muir Beach, California - Basic Facts

The Muir Beach Census Designated Place had a population of 311 as of July 1, 2017. Muir Beach ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Muir Beach is located at latitude 37.8616 and longitude -122.5803 in Marin County. The formal boundaries for the Muir Beach Census Designated Place (see map below) encompass a land area of 0.49 sq. miles and a water area of 0 sq. miles. Marin County is in the Pacific time zone (GMT -8). The elevation is 312 feet.

The Muir Beach Census Designated Place (GNIS ID: 2408888) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Muir Beach Census Designated Place is located within Bolinas CCD of Marin County.

Beneath the boundary map are tables with Muir Beach population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Muir Beach Census Designated Place, CA Boundary Map

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Muir Beach, CA Data & Demographics (As of July 1, 2017)


Total Population 311
Daytime Population: Workers 76
Daytime Population: Residents 151
Total Daytime Population (TDP) 227
Ratio TDP/Total Population1 0.73
Population in Households 303
Population in Familes 219
Population in Group Qrtrs 8
Population Density2 631
Diversity Index3 28


Median Household Income $117,466
Average Household Income $161,405
Per Capita Income $71,842


Total Housing Units 162 (100%)
Owner Occupied HU 95 (58.6%)
Renter Occupied HU 46 (28.4%)
Vacant Housing Units 20 (12.3%)
Median Home Value $1,000,001
Average Home Value $1,184,896


Total Households 142
Average Household Size 2.13
Family Households 86
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.04% 0.19%
Households 0.1% 0.0%
Families 0.0% 0.23%
Median Household Income   1.11%
Per Capita Income   1.99%

Muir Beach, CA - Peer Comparisons by Rank and Percentile

The table below compares Muir Beach to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 1262 17th
Population Density # 881 42nd
Diversity Index # 1415 7th
Median Household Income # 96 94th
Per Capita Income # 73 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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