Martinez is an unincorporated community located in Contra Costa County, California, United States. As of the latest available data, the population of Martinez is estimated to be around 38,290 people.

Demographically, Martinez has a diverse population with a median age of 41.5 years. The racial makeup of the community is approximately 70% White, 17% Hispanic or Latino, 5% Asian, and 3% African American. The gender split is almost evenly divided with 50.5% female and 49.5% male.

As for real estate, the median home price in Martinez is around $766,000. Property tax rates in Contra Costa County are approximately 0.81%, which is lower than the national average.

There are several things to do in Martinez, including visiting the John Muir National Historic Site, the Martinez Marina, and the Martinez Farmers Market.

In terms of education, Martinez is served by the Martinez Unified School District, which is highly rated and has several highly rated schools in the area.

The Martinez City Hall can be reached at (925) 372-3500.