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Monroe County, Florida

Monroe County profile, demographic data, and geographic information.

Monroe County is a county located in Florida, United States of America. As of official census estimates, it has a reported population of 80,406. The land area covers 983.04 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Monroe County
Official Title: Mayor
Address: 1100 SIMONTON, KEY WEST FL 33040-2763

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 80,406 — 2025 / Census
Median Age 49.2 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 34,405 ±736 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 54,834 ±47
Occupied Housing Units 34,405 ±736
Vacant Housing Units 20,429 ±731
Median Home Value $780,600 ±$26,820
Median Gross Rent $1,999 ±$108
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $87,738 ±$4,111
Per Capita Income $59,543 ±$3,031
Poverty Rate 10.6% ±1.5%
Population Below Poverty Level 8,616 ±1,190
Unemployment Rate 2.9% ±0.8%
Civilian Labor Force, Employed 41,475 ±995
Broadband Internet Rate 89.9% ±1.2%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at OASIS RS, FL US, located 19.0 miles from Monroe County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 78.0° 55.1° 66.5° 1.92" 0.0"
February 80.7° 57.0° 68.8° 1.56" 0.0"
March 83.0° 58.2° 70.6° 2.10" 0.0"
April 87.0° 61.7° 74.4° 3.02" 0.0"
May 90.5° 65.9° 78.2° 5.77" 0.0"
June 92.3° 72.5° 82.4° 10.45" 0.0"
July 93.4° 75.1° 84.3° 9.13" 0.0"
August 93.6° 75.8° 84.7° 9.66" 0.0"
September 92.2° 75.7° 83.9° 8.09" 0.0"
October 88.6° 71.2° 79.9° 5.16" 0.0"
November 83.5° 63.8° 73.6° 1.88" 0.0"
December 80.1° 59.0° 69.6° 1.63" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 12087. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.