California Outline California Demographics by Cubit

Need Contra Costa County Demographics for Your Business Plan?

Contra Costa County Population

All Contra Costa County population data above are from the US Census Bureau.

Contra Costa County Demographics Summary

population icon Population

With 1,135,127 people, Contra Costa County is the 9th most populated county in the state of California out of 58 counties. But watch out, Contra Costa County, because Fresno County with 979,915 people and Kern County with 884,788 people are right behind you.

race icon Race & Ethnicity

The largest Contra Costa County racial/ethnic groups are White (46.0%) followed by Hispanic (24.9%) and Asian (15.1%).

income icon Median Income

In 2015, the median household income of Contra Costa County residents was $80,185. Contra Costa County households made slightly more than Orange County households ($76,509) and Ventura County households ($77,348) . However, 10.9% of Contra Costa County residents live in poverty.

age icon Median Age

The median age for Contra Costa County residents is 38.8 years young.

Now you can skip hours of internet research and jump straight to getting answers with our meaningful at-a-glance Demographics Starter Report. With the most current & most popular demographic data, it's the perfect starting point for your research about Contra Costa County.

  • Don't waste 8 to 10 high-value hours searching the US Census Bureau site
  • Get up-to-date demographic data, ready to present or share
  • Spend more time using demographic data... and no time compiling it


86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group

Customer Quotes:

"Your starter report certainly saved me a considerable amount of time. I am just too busy to garner this needed data any other way. It truly would have taken hours of an employee's time or my own to get this much information. I was fortunate to find a company that had all the demographics that I needed and at a very reasonable price."
— Steven Silva

"My supervisor had assigned me the task of getting population data for the county for our required county education strategic plan. I had some information from Kids Count but need race, gender, age, etc. and the government census site was shutdown. I was so surprised to get a report within seconds and it had lots of charts and graphs that my supervisor liked."
—Jean Hinzman.

The population data for Contra Costa County are from the Census 2000, Census 2010, the Census' American Community Survey 2015 5-year estimates and the Census' 2016 Population Estimates. The demographic data for Fresno County, Kern County, Orange County, and Ventura County are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2015 5-year estimates, and were downloaded on December 2016. Check out our FAQ section for more details.


Starter Report Sample

The District of Columbia Starter Report, shown on the left, will give you a good idea of what to expect in a Starter Report. The Contra Costa County, CA report will have the same data, charts & graphs as this sample.

Get the
Contra Costa County
Starter Report ($19.99)

100% Money-Back Guarantee
Secure Checkout

© 2017 Cubit Planning, Inc.

Contra Costa County, CA
Demographics Starter Report

Instant Download. Easy PDF.

Buy Now $19.99
View the sample