Born in 1958 in Covina, California, Teresa Hernandez grew up in West Covina and attended local schools. As a teenager, Teresa became involved in her community and worked on her first political campaign as a senior in high school.
Teresa and her husband of 30 years, Jose, have four children ages 22, 17, and 8 year old twins. It was shortly after her marriage that Teresa enrolled in college while working several jobs to earn her R.N. Degree.