Miami-Dade County, Florida

**Miami-Dade County** (formerly known as _Dade County_ and many times referred to as simply _Miami_ or _Dade_) is a county in the southeastern part of the state of Florida. At the 2020 census, about 2.7 million people lived in the county. That is more than any other county in Florida. Among all United States counties, it is in seventh place.  The county seat is the city of Miami.

### Government links

- Miami-Dade County Government

#### County departments and agencies

- Miami-Dade Public Library System
- Miami-Dade Police Department
- Public Health Trust of Miami-Dade County  Jackson Memorial Hospital
- Miami-Dade Aviation Department Miami International Airport
- Miami-Dade Water and Sewer Department

#### Special districts

- Miami-Dade County Public Schools (MDCPS) is the 4th largest school district in the United States. The Miami-Dade School Board is a nine-member publicly elected body responsible for overseeing the administration of the (MDCPS).
- South Florida Water Management District

#### Judicial branch

- Miami-Dade Clerk of Courts
- Miami-Dade Public Defender, 11th Judicial Circuit
- Miami-Dade State Attorney's Office, 11th Judicial Circuit
- Circuit and County Court, 11th Judicial Circuit of Florida

### Tourism

- Greater Miami Convention and Visitors Bureau

## Infobox (settlement)

- **name**: Miami-Dade County
- **settlement type**: County (United States), County
- **image flag**: Flag of Miami-Dade County, Florida.svg
- **image seal**: Seal of Miami Dade County, Florida.svg
- **image blank emblem**: Logo Miami-Dade County.svg
- **nickname**: "Dade County", "Dade", "Metro-Dade", "Greater Miami"
- **image map**: Map of Florida highlighting Miami-Dade County.svg
- **pushpin map**: USA
- **pushpin map caption**: Location within the United States
- **subdivision type**: Country
- **subdivision type1**: U.S. state, State
- **subdivision type2**: Florida#Regions, Region
- **subdivision name2**: South Florida
- **subdivision type3**: Metro area
- **subdivision name3**: Miami metropolitan area, Miami
- **established title**: Founded
- **established date**: January 18, 1836
- **named for**: Francis L. Dade and Miami, derived from the Miami River (Florida), Miami River, and ultimately derived from Mayaimi
- **seat type**: County seat

- **seat**: Miami
- **parts type**: Incorporated municipalities
- **parts**: 34
- **unit pref**: US
- **area total sq mi**: 2431
- **area land sq mi**: 1899
- **area water sq mi**: 532
- **area total km2**: 6297
- **area land km2**: 4918
- **area water km2**: 1379
- **elevation max ft**: 20-25
- **elevation max m**: 6–8
- **elevation min ft**: 0
- **population as of**: 2020 United States Census, 2020
- **population total**: 2701767
- **population rank**: List of the most populous counties in the United States, 7th in the United States
List of counties in Florida, 1st in Florida
- **population density km2**: 544
- **population density sq mi**: 1408
- **blank2 name**: gross domestic product, GDP
- **blank2 info**: $155 billion
- **timezone**: Eastern Time Zone
- **utc offset**: −5
- **timezone dst**: Eastern Daylight Time
- **utc offset dst**: −4
- **area code type**: North American Numbering Plan, Area codes
- **area code**: Area code 305, 305, Area code 786, 786, Area code 645, 645
- **blank name sec1**: Federal Information Processing Standard, FIPS code
- **blank info sec1**: 12086
- **blank1 name sec1**: Geographic Names Information System, GNIS feature ID
- **blank name sec2**: Primary Airport
- **blank info sec2**: Miami International Airport (MIA)
- **blank emblem type**: Logo
- **motto**: Delivering Excellence Every Day
- **area water percent**: 21.9
- **elevation min point**: Atlantic Ocean
- **elevation max point**: Miami Rock Ridge