Tri-City Health Center’s service area is home to approximately 603,670 people, according to 2016 US Census estimates. The majority of the 25,145 TCHC patients reside in Fremont, Hayward, Union City, Newark, and San Leandro. The remaining patients seek care from surrounding cities in four counties.

In 2014, Alameda Country was named the fourth-most ethnically diverse county in the United States.

TCHC’s service area encompasses a population that is 32 percent white, 29 percent Asian, 23 percent Hispanic, Black, 11 percent and 5 percent other.

At TCHC, the served population is 37 percent Asian, 34 percent Hispanic, 14 percent White, 6 percent black, 6 percent multiple, 2 percent indigenous, 1 percent unreported. Also, 17 percent of the population is served in a language other than English.

The TCHC service population is diverse with people of many backgrounds and traditions, including:

  • 91 percent of our patients are below 200% of the federal poverty level.
  • 68 percent of our patients subsist at 100% of the federal poverty level.
  • 37 percent of our patients come to us without private insurance (employer based) or publicly funded health care coverage (e.g. Medi-Cal).