Marin County, CA Demographics

This page shows a collection of maps for Marin County (pop: 262,321) of different demographic data.

Marin County, CA Household Size Map

This map shows household size in Marin County by neighborhood or county. Marin County has an average of 2.52 individuals per household. Red areas have larger household sizes, which generally means more children. Green areas have smaller household sizes, and there will typically be fewer young children.

 

Marin County, CA Map of Household Size by Area
Click the map to explore

Household Size Key

Smaller Households
Medium Size Households
Larger Households

Marin County, CA Resident Age Map

The median age of residents in Marin County is 47.81. This is older than the median age of 38.1 in the United States.

The areas in green are among the youngest areas in the county. Areas in red show Marin County neighborhoods where the median resident is older, and areas in yellow show areas where the median age is between the late 30s and early 40s.

 

Marin County, CA Map of Household Size by Area
Click the map to explore

Resident Age Key

Young
Middle Age
Older

Marin County, CA Single Parent Homes Map

This map shows where single-parent households live. In Marin County, 8.39% of households have a single parent. Neighborhoods with very few one-parent households are green, and areas with many single-parent households are red.

 

Marin County, CA Map of Single Parent Households
Click the map to explore

% Single Parent Homes Key

Few Single Parent Homes
Some Single Parent Homes
Many Single Parent Homes

Home Services

No other site shows detail at this level for free. We are able to keep this site free by receiving a small commission from the referring links on this page. Please share or cite this page if you aren't able to otherwise support our work. Note that big changes are coming to this page in particular to add much more detail.

Updated 2023 using the most recent data available (2021)