Census tract · San Juan Municipio
Census Tract 36, San Juan Municipio, Puerto Rico
Census Tract 36, GEOID 72127003600, in San Juan Municipio, Puerto Rico, entirely within Caño Martin Peña. 949 residents in the ACS 2020-2024 5-year estimates (±323); the 2020 Census counted 999.
Residents, 2020-2024
949
±323 (90% margin)
2020 Census count: 999
Median household income
$19,120
±$8,441 (90% margin)
San Juan Municipio: $27,992
Median home value
$119,800
±$39,818 (90% margin)
San Juan Municipio: $171,200
Median gross rent
$473
±$139 (90% margin)
San Juan Municipio: $611
Where is Census Tract 36?
Census Tract 36 is one of 138 census tracts in San Juan Municipio, Puerto Rico. It covers 0.08 square miles of land, 13,145 residents per square mile in 2020. Its GEOID, 72127003600, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Caño Martin Peña | 100% |
7 census tracts border Census Tract 36: Tract 32 ($16,950), Tract 33 ($18,750), Tract 34 ($9,529), Tract 35.01 ($10,980), Tract 37.01 ($16,573), Tract 37.02 ($21,131) and Tract 38 ($26,250). 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 36?
The 2020-2024 American Community Survey puts Census Tract 36's population at 949 (±323) in – households; the 2020 Census counted 999 residents and 756 housing units.
| Measure | Tract 36 | Caño Martin Peña |
|---|---|---|
| Total population | 949±323 | 11,618 |
| Housing units | 659±131 | 7,267 |
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 36?
The median resident of Census Tract 36 is 45.9 years old. The largest group is Hispanic or Latino residents (of any race) at 96.7%, then non-Hispanic Black residents at 1.8%.
| Measure | Tract 36 | Caño Martin Peña |
|---|---|---|
| Median age | 45.9±11.1 | 47.4 |
| Under 18 years | 19.8%±16.7 pts | 14.2% |
| 65 years and over | 25.9%±12.8 pts | 23.2% |
| Hispanic or Latino (any race) | 96.7%±3.8 pts | 99.5% |
| White alone, not Hispanic | 0.0%±5.6 pts | 0.1% |
| Black or African American alone, not Hispanic | 1.8%±2.8 pts | 0.2% |
| Asian alone, not Hispanic | 0.0%±5.6 pts | 0.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±5.6 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±5.6 pts | 0.0% |
| Two or more races, not Hispanic | 0.0%±5.6 pts | 0.1% |
| Some other race alone, not Hispanic | 1.5%±2.6 pts | 0.2% |
| No health insurance coverage | 35.2%±12.9 pts | 18.6% |
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 36 earn?
Half of the – households in Census Tract 36 earn less than $19,120 a year (±$8,441), against $27,992 across San Juan Municipio: 91st highest of the county's 120 tracts with a reliable estimate. 61.4% of residents live below the poverty line.
| Measure | Tract 36 | Caño Martin Peña |
|---|---|---|
| Median household income | $19,120±$8,441 | $19,149 |
| Mean household income | $25,058±$9,601 | $27,879 |
| Per capita income | $12,411±$5,514 | $13,156 |
| People below the poverty line | 61.4%±17.8 pts | 59.5% |
| Children under 18 below the poverty line | 91.5%±19.4 pts | 84.0% |
| Households receiving SNAP | 42.5%±14.9 pts | 46.8% |
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 36?
Owners occupy 40.7% of Census Tract 36's occupied homes and renters 59.3%. The median owner-occupied home is valued at $119,800 by its owner (±$39,818). The median renter pays $473 a month including utilities, and 50.2% of renters pay 35% or more of their income on rent.
| Measure | Tract 36 | Caño Martin Peña |
|---|---|---|
| Median home value (owner-occupied) | $119,800±$39,818 | $105,400 |
| Median gross rent | $473±$139 | $578 |
| Renters paying 35% or more of income on rent | 50.2%±19.4 pts | 46.7% |
| Owner-occupied homes | 40.7%±13.8 pts | 53.3% |
| Renter-occupied homes | 59.3%±13.8 pts | 46.7% |
| Housing units | 659±131 | 7,267 |
| Single-family detached homes | 61.0%±10.5 pts | 60.4% |
| Mobile homes | 0.0%±8.0 pts | 0.6% |
| Built 2020 or later | 0.0%±8.0 pts | 0.2% |
| Built 2010 to 2019 | 4.6%±5.4 pts | 2.9% |
| Built 1939 or earlier | 14.0%±7.1 pts | 9.9% |
| Households with no vehicle | 42.9%±12.6 pts | 33.2% |
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 36 get to work?
52.2% of Census Tract 36's workers drive alone. The average trip to work takes 29.3 minutes.
| Measure | Tract 36 | Caño Martin Peña |
|---|---|---|
| In the labor force (age 16+) | 57.6%±11.7 pts | 49.1% |
| Unemployment rate | 26.3%±17.6 pts | 19.2% |
| Drove alone to work | 52.2%±18.4 pts | 64.9% |
| Carpooled | 8.7%±8.9 pts | 6.8% |
| Public transportation | 18.8%±11.1 pts | 7.7% |
| Walked | 11.6%±10.8 pts | 7.8% |
| Worked from home | 0.0%±14.7 pts | 3.6% |
| Mean travel time to work | 29.3 min±5.8 | 23.7 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 36 compare with the other tracts in San Juan Municipio?
Among San Juan Municipio's tracts with a reliable estimate, Census Tract 36 ranks as shown below (1 = highest).
| Measure | In San Juan Municipio | In Caño Martin Peña |
|---|---|---|
| Population | 125th of 127 | 7th of 7 |
| Residents per square mile | 49th of 137 | 6th of 7 |
| Median household income | 91st of 120 | 4th of 7 |
| Per capita income | 105th of 126 | 5th of 7 |
| Median home value | 93rd of 115 | 3rd of 7 |
| Median gross rent | 99th of 119 | 5th of 7 |
| Poverty rate | 21st of 121 | 3rd of 7 |
| Median age | 75th of 126 | 6th of 7 |
| Owner-occupied share | 102nd of 121 | 7th of 7 |
The tracts next to it on San Juan Municipio's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 46 | 88th | $20,098±$5,975 · within the margin of this tract |
| Tract 90 | 89th | $19,881±$8,159 · within the margin of this tract |
| Tract 4 | 90th | $19,819±$2,353 · within the margin of this tract |
| Tract 36 | 91st | $19,120±$8,441 |
| Tract 33 | 92nd | $18,750±$5,087 · within the margin of this tract |
| Tract 15 | 93rd | $18,555±$3,654 · within the margin of this tract |
| Tract 100.32 | 94th | $18,396±$7,890 · 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 36?
4 of the 16 figures for Census Tract 36 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