Where can I find population estimates and projections broken down by various demographic groups?

State and county population census counts, estimates, and projections by age, sex, race, and Hispanic origin are published in five-year increments to the year 2045 in Florida Population Studies: Population Projections by Age, Sex, Race, and Hispanic Origin for Florida and Its Counties. Age groups include: 0–4, 5–17, 18–24, 25–54, 55–64, 65–79, and 80+. Racial/ethnic categories include: All races, non-Hispanic white, non-Hispanic black, and Hispanic.