COUNTY · FL
Miami-Dade County, Florida
Miami-Dade County is a county in Florida with FIPS code 12086 and an estimated population of 2,686,867 (Census 2023), 1st largest of 67 in the state.
County facts
- Name
- Miami-Dade County
- State
- Florida
- Type
- county
- FIPS code
- 12086
- State FIPS
- 12
- Population (2023)
- 2,686,867
- Change since 2020
- -0.3%
- State rank
- 1 of 67
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Miami-Dade County
Other counties in Florida
Questions
What is the FIPS code for Miami-Dade County?
Miami-Dade County, Florida has the five-digit FIPS code 12086: 12 for the state and 086 for the county.
What state is Miami-Dade County in?
Miami-Dade County is in Florida.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.