County · Florida
Monroe County, Florida
Monroe County, Florida. Monroe County had 80,406 residents in 2025 by the Census Bureau's estimate, down 3.0% since 2020, while Florida grew 8.9%. It holds 13 places (5 cities, villages and boroughs and 8 census-designated) and 29 census tracts. GEOID 12087.
Monroe County is the county of the Key West-Key Largo, FL micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
80,406
Census Bureau estimate (no margin published)
2020 Census count: 82,874 · ACS 2020-2024: 81,860
Median household income
$87,738
±$4,111 (90% margin)
Florida: $74,568
Median home value
$780,600
±$26,820 (90% margin)
Florida: $359,000
Median gross rent
$1,999
±$108 (90% margin)
Florida: $1,669
How many people live in Monroe County, and is it growing?
The 2020 Census counted 82,874 residents in Monroe County. The Census Bureau estimates 80,406 for July 1, 2025, down 3.0% since 2020, while Florida grew 8.9%. The 2020-2024 American Community Survey puts the population at 81,860 over 983 square miles of land.
| Measure | Monroe County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Total population | 81,860 | 22,416,077 | +6,062 |
| Households | 34,405±736 | 8,752,810 | +2,337 |
| Average household size | 2.33±0.05 | 2.51 | no clear change |
| Housing units | 54,834±47 | 10,256,470 | +1,316 |
Monroe County's population since 2000
From 79,589 in 2000 to 80,406 in 2025: up 1.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Monroe County?
Monroe County holds 13 places: 5 cities, villages and boroughs (incorporated places) and 8 census-designated places. The largest is Key West with 24,999 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Key West | 26,444 | $87,037 |
|---|---|---|
| Key Largo | 12,447 | $85,778 |
| Marathon | 9,689 | $89,355 |
| Islamorada, Village of Islands | 7,107 | $87,222 |
| Stock Island | 4,722 | $65,515 |
| Big Pine Key | 4,521 | $110,134 |
| Big Coppitt Key | 2,869 | $105,139 |
| Tavernier | 2,530 | $50,256 |
| Cudjoe Key | 2,019 | $87,500 |
| North Key Largo | 1,431 | $149,605 |
| Key Colony Beach | 790 | $94,231 |
| Duck Key | 727 | $156,719 |
| LaytonGEOID 1239725 | 210 | $149,583 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Monroe County?
The median resident of Monroe County is 49.2 years old; 15.7% are under 18 and 24.7% are 65 or older. The largest group is non-Hispanic white residents at 63.7%, then Hispanic or Latino residents (of any race) at 24.6%. 19.8% of residents were born outside the United States.
| Measure | Monroe County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median age | 49.2±0.2 | 42.6 | +1.5 |
| Under 18 years | 15.7%±0.1 pts | 19.5% | – |
| 65 years and over | 24.7%±0.1 pts | 21.3% | – |
| Hispanic or Latino (any race) | 24.6% | 27.4% | +0.3 pts |
| White alone, not Hispanic | 63.7%±0.6 pts | 50.4% | −2.6 pts |
| Black or African American alone, not Hispanic | 6.8%±0.3 pts | 14.6% | no clear change |
| Asian alone, not Hispanic | 1.0%±0.2 pts | 2.9% | −0.3 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 2.9%±0.5 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.9%±0.5 pts | 0.7% | – |
| Born outside the United States | 19.8%±1.1 pts | 21.9% | no clear change |
| Speak a language other than English at home (age 5+) | 22.2%±1.4 pts | 30.6% | – |
| Civilian veterans (age 18+) | 8.4%±0.7 pts | 7.4% | – |
| With a disability | 11.5%±1.1 pts | 13.7% | – |
| No health insurance coverage | 12.8%±1.1 pts | 11.5% | −5.4 pts |
| High school graduate or higher (age 25+) | 93.1%±0.8 pts | 89.9% | – |
| Bachelor's degree or higher (age 25+) | 38.6%±1.6 pts | 34.1% | +4.2 pts |
| Graduate or professional degree (age 25+) | 15.3%±1.0 pts | 12.9% | – |
| Moved from another state in the past year | 3.0%±0.5 pts | 2.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Monroe County earn?
Half of Monroe County's 34,405 households earn less than $87,738 a year (±$4,111), against $74,568 in Florida. In 2015-2019 it was $86,189 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.6% of residents live below the poverty line.
| Measure | Monroe County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $87,738±$4,111 | $74,568 | no clear change |
| Mean household income | $136,503±$6,671 | $105,967 | – |
| Per capita income | $59,543±$3,031 | $42,609 | no clear change |
| People below the poverty line | 10.6%±1.5 pts | 12.6% | no clear change |
| Children under 18 below the poverty line | 11.4%±3.9 pts | 16.5% | −5.6 pts |
| Households receiving SNAP | 7.5%±1.3 pts | 12.6% | – |
| Households with a broadband subscription | 89.9%±1.6 pts | 91.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Monroe County?
Owners occupy 65.8% of Monroe County's occupied homes and renters 34.2%. The median owner-occupied home is valued at $780,600 by its owner (±$26,820). The median renter pays $1,999 a month including utilities, and 54.1% of renters pay 35% or more of their income on rent.
| Measure | Monroe County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $780,600±$26,820 | $359,000 | +$172,514 |
| Median gross rent | $1,999±$108 | $1,669 | no clear change |
| Renters paying 35% or more of income on rent | 54.1%±3.9 pts | 50.2% | +6.4 pts |
| Median monthly owner costs, with a mortgage | $3,241±$110 | $1,959 | – |
| Owner-occupied homes | 65.8%±1.7 pts | 67.6% | +6.3 pts |
| Housing units | 54,834±47 | 10,256,470 | +1,316 |
| Homeowner vacancy rate | 2.1%±0.8 pts | 1.4% | – |
| Rental vacancy rate | 19.6%±2.6 pts | 7.6% | – |
| Single-family detached homes | 58.3%±1.6 pts | 54.7% | – |
| Mobile homes | 8.3%±1.0 pts | 8.0% | – |
| Built 2020 or later | 1.4%±0.4 pts | 3.2% | – |
| Built 1939 or earlier | 5.6%±0.5 pts | 1.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Monroe County building?
Builders took permits for 279 new housing units across Monroe County in 2025 (239 single-family), 3.5 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Monroe County get to work?
64.1% of Monroe County's workers drive alone and 13.2% work from home. The average trip to work takes 19.5 minutes. The unemployment rate in 2020-2024 averaged 2.9%.
| Measure | Monroe County | Florida | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.6%±1.1 pts | 59.8% | – |
| Unemployment rate | 2.9%±0.8 pts | 4.8% | no clear change |
| Drove alone to work | 64.1%±1.9 pts | 70.2% | – |
| Carpooled | 9.1%±1.3 pts | 9.2% | – |
| Public transportation | 0.4%±0.3 pts | 1.2% | – |
| Walked | 4.2%±1.1 pts | 1.4% | – |
| Worked from home | 13.2%±1.3 pts | 15.7% | +6.8 pts |
| Mean travel time to work | 19.5 min±0.9 | 28.0 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Monroe County's census tracts?
Monroe County is divided into 29 census tracts. Among those with a reliable estimate, median household income runs from $51,960 (Tract 9707) to $138,958 (Tract 9725).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Monroe County compare with Florida's other counties?
| Measure | Rank |
|---|---|
| Population | 39th of 67 |
| Growth 2020-2025 | 67th of 67 |
| Residents per square mile | 42nd of 67 |
| Median household income | 6th of 67 |
| Median home value | 1st of 67 |
| Median gross rent | 1st of 67 |
| Poverty rate | 53rd of 67 |
| Bachelor's degree or higher | 9th of 67 |
| Median age | 12th of 67 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Monroe County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.