Marin County CA Information


Marin County Subdivisions

Marin County CA Data & Demographics (As of July 1, 2014)


Total Population 255,179
Population in Households 246,612
Population in Familes 186,412
Population in Group Qrtrs 8,567
Population Density1 490
Diversity Index2 55


Total Households 104,362
Average Household Size 2.36
Family Households 63,285
Average Family Size 3


Total Housing Units 112,098 (100%)
Owner Occupied HU 63,704 (56.8%)
Renter Occupied HU 40,658 (36.3%)
Vacant Housing Units 7,736 ( 6.9%)
Median Home Value $694,230
Average Home Value $743,441


Median Household Income $89,279
Average Household Income $123,767
Per Capita Income $51,271
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.26% 0.61%
Households 0.26% 0.62%
Families 0.24% 0.61%
Median Household Income   3.64%
Per Capita Income   3.81%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2014 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 Density1 # 13 79th
Diversity Index2 # 42 29th
Median Household Income # 3 97th
Per Capita Income # 1 100th

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