Census tract · Martin County
Census Tract 18.03, Martin County, Florida
Census Tract 18.03, GEOID 12085001803, in Martin County, Florida, mostly within Indiantown (50% of its census blocks). 2,019 residents in the ACS 2020-2024 5-year estimates (±488); the 2020 Census counted 2,435.
Residents, 2020-2024
2,019
±488 (90% margin)
2020 Census count: 2,435
Median household income
$90,772
±$59,368 (90% margin)
Martin County: $82,943
Median home value
$244,400
±$26,048 (90% margin)
Martin County: $432,200
Median gross rent
$1,446
±$641 (90% margin)
Martin County: $1,569
Where is Census Tract 18.03?
Census Tract 18.03 is one of 43 census tracts in Martin County, Florida. It covers 37.42 square miles of land, 65 residents per square mile in 2020. Its GEOID, 12085001803, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Indiantown | 50% |
4 census tracts border Census Tract 18.03: Tract 17.01 ($139,119), Tract 18.04 ($55,265), Tract 18.05 ($70,333) and Tract 18.06 ($67,500). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 18.03?
The 2020-2024 American Community Survey puts Census Tract 18.03's population at 2,019 (±488) in 465 households; the 2020 Census counted 2,435 residents and 535 housing units.
| Measure | Tract 18.03 | Indiantown |
|---|---|---|
| Total population | 2,019 ±488 | 6,695 |
| Households | 465 ±128 | 1,591 |
| Average household size | 4.34 ±0.85 | 4.21 |
| Housing units | 540 ±131 | 1,817 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 18.03?
The median resident of Census Tract 18.03 is 30.2 years old; 32.0% are under 18 and 11.7% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 86.9%, then non-Hispanic white residents at 9.1%. 42.0% of residents were born outside the United States.
| Measure | Tract 18.03 | Indiantown |
|---|---|---|
| Median age | 30.2 ±7.2 | 31.0 |
| Under 18 years | 32.0% ±8.6 pts | 28.0% |
| 65 years and over | 11.7% ±7.3 pts | 16.7% |
| Hispanic or Latino (any race) | 86.9% ±10.4 pts | 65.6% |
| White alone, not Hispanic | 9.1% ±8.4 pts | 16.0% |
| Black or African American alone, not Hispanic | 0.0% ±2.6 pts | 15.7% |
| Asian alone, not Hispanic | 0.0% ±2.6 pts | 1.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±2.6 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.6 pts | 0.0% |
| Two or more races, not Hispanic | 4.0% ±4.8 pts | 1.2% |
| Some other race alone, not Hispanic | 0.0% ±2.6 pts | 0.0% |
| Born outside the United States | 42.0% ±9.5 pts | 27.3% |
| Speak a language other than English at home (age 5+) | 82.9% ±10.9 pts | 55.6% |
| Civilian veterans (age 18+) | 1.2% ±1.3 pts | 3.6% |
| With a disability | 12.3% ±6.0 pts | 14.6% |
| No health insurance coverage | 35.9% ±11.2 pts | 28.6% |
| High school graduate or higher (age 25+) | 68.2% ±12.4 pts | 68.6% |
| Bachelor's degree or higher (age 25+) | 14.4% ±12.1 pts | 9.9% |
| Graduate or professional degree (age 25+) | 1.7% ±1.7 pts | 1.6% |
| Lived in the same house a year earlier | 100.0% ±2.6 pts | 96.6% |
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 Census Tract 18.03 earn?
Half of the 465 households in Census Tract 18.03 earn less than $90,772 a year (±$59,368), against $82,943 across Martin County: 16th highest of the county's 40 tracts with a reliable estimate. 37.1% of residents live below the poverty line.
| Measure | Tract 18.03 | Indiantown |
|---|---|---|
| Median household income | $90,772 ±$59,368 | $55,520 |
| Mean household income | $98,972 ±$32,529 | $72,584 |
| Per capita income | $24,386 ±$9,994 | $19,109 |
| People below the poverty line | 37.1% ±17.7 pts | 23.3% |
| Children under 18 below the poverty line | 73.9% ±24.3 pts | 42.8% |
| Households receiving SNAP | 13.3% ±10.1 pts | 17.6% |
| Households with a computer | 100.0% ±10.7 pts | 94.2% |
| Households with a broadband subscription | 86.2% ±13.7 pts | 83.7% |
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 Census Tract 18.03?
Owners occupy 86.7% of Census Tract 18.03's occupied homes and renters 13.3%. The median owner-occupied home is valued at $244,400 by its owner (±$26,048). The median renter pays $1,446 a month including utilities.
| Measure | Tract 18.03 | Indiantown |
|---|---|---|
| Median home value (owner-occupied) | $244,400 ±$26,048 | $204,900 |
| Median gross rent | $1,446 ±$641 | $923 |
| Renters paying 35% or more of income on rent | 33.9% ±50.3 pts | 30.0% |
| Median monthly owner costs, with a mortgage | $1,761 ±$914 | $976 |
| Owner-occupied homes | 86.7% ±10.9 pts | 73.5% |
| Renter-occupied homes | 13.3% ±10.9 pts | 26.5% |
| Housing units | 540 ±131 | 1,817 |
| Single-family detached homes | 94.1% ±6.5 pts | 52.2% |
| Mobile homes | 0.0% ±9.3 pts | 31.8% |
| Built 2020 or later | 0.0% ±9.3 pts | 0.0% |
| Built 2010 to 2019 | 0.6% ±1.2 pts | 2.3% |
| Built 1939 or earlier | 0.0% ±9.3 pts | 2.2% |
| Households with no vehicle | 3.7% ±4.7 pts | 4.8% |
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 do people in Census Tract 18.03 get to work?
72.7% of Census Tract 18.03's workers drive alone. The average trip to work takes 32.4 minutes.
| Measure | Tract 18.03 | Indiantown |
|---|---|---|
| In the labor force (age 16+) | 63.9% ±11.3 pts | 60.3% |
| Unemployment rate | 0.4% ±0.9 pts | 7.2% |
| Drove alone to work | 72.7% ±12.5 pts | 62.0% |
| Carpooled | 25.0% ±12.8 pts | 31.2% |
| Public transportation | 1.5% ±4.2 pts | 0.5% |
| Walked | 0.3% ±0.7 pts | 0.1% |
| Worked from home | 0.5% ±1.0 pts | 1.7% |
| Mean travel time to work | 32.4 min ±4.5 | 28.5 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
How does Census Tract 18.03 compare with the other tracts in Martin County?
Among Martin County's tracts with a reliable estimate, Census Tract 18.03 ranks as shown below (1 = highest).
| Measure | In Martin County | In Indiantown |
|---|---|---|
| Population | 35th of 41 | 2nd of 3 |
| Residents per square mile | 36th of 41 | 2nd of 3 |
| Median household income | 16th of 40 | 1st of 3 |
| Per capita income | 39th of 41 | 2nd of 3 |
| Median home value | 32nd of 37 | 1st of 1 |
| Median gross rent | 24th of 33 | 1st of 3 |
| Poverty rate | 1st of 27 | 1st of 2 |
| Median age | 40th of 40 | 2nd of 2 |
| Owner-occupied share | 17th of 41 | 1st of 3 |
The tracts next to it on Martin County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 17.02 | 13th | $94,500±$24,448 · within the margin of this tract |
| Tract 11.08 | 14th | $93,897±$22,370 · within the margin of this tract |
| Tract 6.03 | 15th | $92,530±$16,335 · within the margin of this tract |
| Tract 18.03 | 16th | $90,772±$59,368 |
| Tract 2 | 17th | $87,134±$25,702 · within the margin of this tract |
| Tract 14.09 | 18th | $86,000±$22,204 · within the margin of this tract |
| Tract 14.04 | 19th | $83,627±$15,021 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 18.03?
5 of the 18 figures for Census Tract 18.03 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections