Marin County CA Information


Marin County Subdivisions

Marin County CA Data & Demographics (As of July 1, 2017)


Total Population 261,748
Daytime Population: Workers 133,331
Daytime Population: Residents 129,016
Total Daytime Population (TDP) 262,347
Ratio TDP/Total Population1 1.00
Population in Households 253,401
Population in Familes 191,349
Population in Group Qrtrs 8,347
Population Density2 503
Diversity Index3 55


Median Household Income $101,357
Average Household Income $147,657
Per Capita Income $60,896


Total Housing Units 113,632 (100%)
Owner Occupied HU 65,455 (57.6%)
Renter Occupied HU 41,269 (36.3%)
Vacant Housing Units 6,908 ( 6.1%)
Median Home Value $947,458
Average Home Value $938,012


Total Households 106,724
Average Household Size 2.37
Family Households 64,760
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 0.5% 0.47%
Households 0.46% 0.43%
Families 0.46% 0.42%
Median Household Income   1.74%
Per Capita Income   2.19%


Marin County CA - Peer Comparisons by Rank and Percentile

The table below compares Marin County to the other 58 counties and county equivalents 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 # 26 57th
Population Density # 13 79th
Diversity Index # 42 29th
Median Household Income # 1 100th
Per Capita Income # 1 100th

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