Marin Regains Ranking as Healthiest County in State – As Work remains for local officials to address health disparities and substance misuse San Rafael, CA – For the eighth time, Marin has been ranked the healthiest county in California by the Robert Wood Johnson Foundation. The 2018 County Health Rankingssurveys more than 3,000 counties to measure … More Marin Ranks as Healthiest County in California Amidst Glaring Disparities