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Where am ILOCATED

Monroe County, Florida

Monroe County, Florida, has 80,406 residents (July 2025 estimate). Its county seat is Key West. It uses Eastern Time and covers 983 sq mi (2,546 km²) of land.

JacksonvilleMiamiTampa
Monroe County in Florida
Miami-Dade CountyKey WestKey LargoMarathonIslamorada, Village of IslandsBig Pine Key
Monroe County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
80,406
Land area
983 sq mi (2,546 km²)
County seat or government
Key West
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$87,738 ± $4,111
Median home value
$780,600 ± $26,820
Median rent, with utilities
$1,999 ± $108
Homes lived in by their owners
65.8% ± 1.6 points
County type
County
Metro or micro area
Key West-Key Largo, FL micro areaCentral county
Water area
4,307 sq mi (11,154 km²)
State
Florida
County code (FIPS)
12087
Coordinates (central point)
25.586120, -81.022603
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Monroe County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 3304035,429 people
  2. 3303423,823 people
  3. 3303714,770 people
  4. 3305010,561 people
  5. 330426,441 people
  6. 330705,768 people
  7. 330434,298 people
  8. 330363,777 people
  9. 33051511 people
  10. 33001250 people
  11. 34141169 people

11 ZIP Code areas overlap Monroe County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Monroe County, largest first

  1. Monroe County School District81,860 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Key West, Florida (city)25,720 people
  2. Key Largo, Florida (CDP)13,026 people
  3. Marathon, Florida (city)9,914 people
  4. Islamorada, Village of Islands, Florida (village)7,068 people
  5. Big Pine Key, Florida (CDP)4,258 people
  6. Stock Island, Florida (CDP)4,162 people
  7. Big Coppitt Key, Florida (CDP)3,109 people
  8. Cudjoe Key, Florida (CDP)2,492 people
  9. Tavernier, Florida (CDP)2,413 people
  10. North Key Largo, Florida (CDP)1,808 people
  11. Duck Key, Florida (CDP)647 people
  12. Key Colony Beach, Florida (city)511 people
All 13
  1. Layton, Florida (city)118 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Miami-Dade County, Florida32 mi east
  2. Collier County, Florida44 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

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See this county on Census.gov ↗