County · Florida
Martin County, Florida
Martin County, Florida. Martin County had 166,272 residents in 2025 by the Census Bureau's estimate, up 4.9% since 2020, slower than Florida (+8.9%). It holds 11 places (5 cities, villages and boroughs and 6 census-designated) and 43 census tracts. GEOID 12085.
Martin County is one of the 2 counties of the Port St. Lucie, FL metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
166,272
Census Bureau estimate (no margin published)
2020 Census count: 158,431 · ACS 2020-2024: 162,176
Median household income
$82,943
±$2,984 (90% margin)
Florida: $74,568
Median home value
$432,200
±$10,447 (90% margin)
Florida: $359,000
Median gross rent
$1,569
±$58 (90% margin)
Florida: $1,669
How many people live in Martin County, and is it growing?
The 2020 Census counted 158,431 residents in Martin County. The Census Bureau estimates 166,272 for July 1, 2025, up 4.9% since 2020, slower than Florida (+8.9%). The 2020-2024 American Community Survey puts the population at 162,176 over 544 square miles of land.
| Measure | Martin County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Total population | 162,176 | 22,416,077 | +3,111 |
| Households | 67,801±927 | 8,752,810 | +3,273 |
| Average household size | 2.33±0.03 | 2.51 | −0.07 |
| Housing units | 83,121±59 | 10,256,470 | +2,968 |
Martin County's population since 2000
From 126,731 in 2000 to 166,272 in 2025: up 31.2%. 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 Martin County?
Martin County holds 11 places: 5 cities, villages and boroughs (incorporated places) and 6 census-designated places. The largest is Palm City with 26,371 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Palm City | 25,883 | $125,820 |
|---|---|---|
| Stuart | 17,425 | $60,225 |
| Hobe Sound | 13,163 | $63,484 |
| Jensen Beach | 12,652 | $70,884 |
| Port Salerno | 10,401 | $67,436 |
| Indiantown | 6,560 | $55,520 |
| North River Shores | 3,459 | $75,896 |
| Sewall's Point | 1,991 | $129,000 |
| RioGEOID 1260550 | 980 | $91,953 |
| Jupiter Island | 804 | $219,722 |
| Ocean Breeze | 301 | $95,833 |
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 Martin County?
The median resident of Martin County is 53.3 years old; 16.1% are under 18 and 32.2% are 65 or older. The largest group is non-Hispanic white residents at 74.8%, then Hispanic or Latino residents (of any race) at 15.9%. 11.1% of residents were born outside the United States.
| Measure | Martin County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median age | 53.3±0.2 | 42.6 | +1.1 |
| Under 18 years | 16.1%±0.1 pts | 19.5% | – |
| 65 years and over | 32.2%±0.1 pts | 21.3% | – |
| Hispanic or Latino (any race) | 15.9% | 27.4% | +2.3 pts |
| White alone, not Hispanic | 74.8%±0.3 pts | 50.4% | −3.5 pts |
| Black or African American alone, not Hispanic | 4.7%±0.3 pts | 14.6% | −0.6 pts |
| Asian alone, not Hispanic | 1.3%±0.1 pts | 2.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±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 | 0.3%±0.1 pts | 0.7% | – |
| Born outside the United States | 11.1%±0.7 pts | 21.9% | +1.1 pts |
| Speak a language other than English at home (age 5+) | 15.2%±0.8 pts | 30.6% | – |
| Civilian veterans (age 18+) | 8.9%±0.5 pts | 7.4% | – |
| With a disability | 14.2%±0.8 pts | 13.7% | – |
| No health insurance coverage | 10.5%±0.9 pts | 11.5% | no clear change |
| High school graduate or higher (age 25+) | 93.0%±0.6 pts | 89.9% | – |
| Bachelor's degree or higher (age 25+) | 37.1%±1.1 pts | 34.1% | +3.0 pts |
| Graduate or professional degree (age 25+) | 13.2%±0.8 pts | 12.9% | – |
| Moved from another state in the past year | 2.4%±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 Martin County earn?
Half of Martin County's 67,801 households earn less than $82,943 a year (±$2,984), against $74,568 in Florida. In 2015-2019 the median was $75,236 in 2024 dollars, so it rose by $7,707 after inflation. 11.3% of residents live below the poverty line.
| Measure | Martin County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $82,943±$2,984 | $74,568 | +$7,707 |
| Mean household income | $123,323±$3,783 | $105,967 | – |
| Per capita income | $53,291±$1,408 | $42,609 | no clear change |
| People below the poverty line | 11.3%±1.1 pts | 12.6% | no clear change |
| Children under 18 below the poverty line | 18.1%±3.3 pts | 16.5% | +4.5 pts |
| Households receiving SNAP | 6.6%±0.9 pts | 12.6% | – |
| Households with a broadband subscription | 92.2%±0.9 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 Martin County?
Owners occupy 79.6% of Martin County's occupied homes and renters 20.4%. The median owner-occupied home is valued at $432,200 by its owner (±$10,447). The median renter pays $1,569 a month including utilities, and 52.5% of renters pay 35% or more of their income on rent.
| Measure | Martin County | Florida | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $432,200±$10,447 | $359,000 | +$95,359 |
| Median gross rent | $1,569±$58 | $1,669 | +$202 |
| Renters paying 35% or more of income on rent | 52.5%±4.2 pts | 50.2% | +8.3 pts |
| Median monthly owner costs, with a mortgage | $2,238±$69 | $1,959 | – |
| Owner-occupied homes | 79.6%±1.2 pts | 67.6% | +1.6 pts |
| Housing units | 83,121±59 | 10,256,470 | +2,968 |
| Homeowner vacancy rate | 1.2%±0.4 pts | 1.4% | – |
| Rental vacancy rate | 6.4%±1.8 pts | 7.6% | – |
| Single-family detached homes | 54.2%±1.4 pts | 54.7% | – |
| Mobile homes | 8.8%±1.0 pts | 8.0% | – |
| Built 2020 or later | 2.0%±0.3 pts | 3.2% | – |
| Built 1939 or earlier | 1.5%±0.4 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 Martin County building?
Builders took permits for 845 new housing units across Martin County in 2025 (843 single-family), 5.1 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 Martin County get to work?
71.6% of Martin County's workers drive alone and 15.7% work from home. The average trip to work takes 28.4 minutes. The unemployment rate in 2020-2024 averaged 4.9%.
| Measure | Martin County | Florida | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 52.0%±1.2 pts | 59.8% | – |
| Unemployment rate | 4.9%±0.7 pts | 4.8% | no clear change |
| Drove alone to work | 71.6%±1.7 pts | 70.2% | – |
| Carpooled | 8.7%±1.3 pts | 9.2% | – |
| Public transportation | 0.3%±0.2 pts | 1.2% | – |
| Walked | 1.2%±0.5 pts | 1.4% | – |
| Worked from home | 15.7%±1.5 pts | 15.7% | +7.3 pts |
| Mean travel time to work | 28.4 min±1.0 | 28.0 min | +2.3 min |
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 Martin County's census tracts?
Martin County is divided into 43 census tracts. Among those with a reliable estimate, median household income runs from $42,679 (Tract 14.07) to $250,000 or more (Tract 16.02).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Martin County compare with Florida's other counties?
| Measure | Rank |
|---|---|
| Population | 33rd of 67 |
| Growth 2020-2025 | 46th of 67 |
| Residents per square mile | 26th of 67 |
| Median household income | 10th of 67 |
| Median home value | 6th of 67 |
| Median gross rent | 20th of 67 |
| Poverty rate | 48th of 67 |
| Bachelor's degree or higher | 11th of 67 |
| Median age | 7th 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 Martin 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.