- County Human Population: 4,221
Indian River County Organizations
Humane Society of Vero Beach & Indian River County
Nonprofit Shelter
Indian River County is a county located in the Treasure Coast region of the U.S. state of Florida. As of the 2010 census, the population was 138,028. Its seat is Vero Beach. It is Florida's 7th richest county and in 2000 was the 87th richest county in the U.S. by per capita income.