Census tract · San Juan Municipio
Census Tract 45, San Juan Municipio, Puerto Rico
Census Tract 45, GEOID 72127004500, in San Juan Municipio, Puerto Rico, entirely within Caño Martin Peña. 1,301 residents in the ACS 2020-2024 5-year estimates (±326); the 2020 Census counted 1,449.
Residents, 2020-2024
1,301
±326 (90% margin)
2020 Census count: 1,449
Median household income
$16,534
±$4,179 (90% margin)
San Juan Municipio: $27,992
Median home value
$90,200
±$14,888 (90% margin)
San Juan Municipio: $171,200
Median gross rent
$408
±$63 (90% margin)
San Juan Municipio: $611
Where is Census Tract 45?
Census Tract 45 is one of 138 census tracts in San Juan Municipio, Puerto Rico. It covers 0.09 square miles of land, 16,466 residents per square mile in 2020. Its GEOID, 72127004500, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Caño Martin Peña | 100% |
5 census tracts border Census Tract 45: Tract 37.02 ($21,131), Tract 44 ($17,664), Tract 46 ($20,098), Tract 63.01 ($30,208) and Tract 63.02 ($35,774). 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 45?
The 2020-2024 American Community Survey puts Census Tract 45's population at 1,301 (±326) in – households; the 2020 Census counted 1,449 residents and 854 housing units.
| Measure | Tract 45 | Caño Martin Peña |
|---|---|---|
| Total population | 1,301±326 | 11,618 |
| Housing units | 956±149 | 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 45?
The median resident of Census Tract 45 is 46.3 years old; 12.5% are under 18 and 24.9% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 100.0%.
| Measure | Tract 45 | Caño Martin Peña |
|---|---|---|
| Median age | 46.3±7.8 | 47.4 |
| Under 18 years | 12.5%±7.0 pts | 14.2% |
| 65 years and over | 24.9%±7.5 pts | 23.2% |
| Hispanic or Latino (any race) | 100.0%±4.1 pts | 99.5% |
| White alone, not Hispanic | 0.0%±4.1 pts | 0.1% |
| Black or African American alone, not Hispanic | 0.0%±4.1 pts | 0.2% |
| Asian alone, not Hispanic | 0.0%±4.1 pts | 0.0% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±4.1 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±4.1 pts | 0.0% |
| Two or more races, not Hispanic | 0.0%±4.1 pts | 0.1% |
| Some other race alone, not Hispanic | 0.0%±4.1 pts | 0.2% |
| No health insurance coverage | 11.0%±6.3 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 45 earn?
Half of the – households in Census Tract 45 earn less than $16,534 a year (±$4,179), against $27,992 across San Juan Municipio: 106th highest of the county's 120 tracts with a reliable estimate. 50.0% of residents live below the poverty line.
| Measure | Tract 45 | Caño Martin Peña |
|---|---|---|
| Median household income | $16,534±$4,179 | $19,149 |
| Mean household income | $29,286±$7,887 | $27,879 |
| Per capita income | $15,659±$3,915 | $13,156 |
| People below the poverty line | 50.0%±12.8 pts | 59.5% |
| Children under 18 below the poverty line | 87.1%±23.8 pts | 84.0% |
| Households receiving SNAP | 55.9%±12.3 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 45?
Owners occupy 48.1% of Census Tract 45's occupied homes and renters 51.9%. The median owner-occupied home is valued at $90,200 by its owner (±$14,888). The median renter pays $408 a month including utilities, and 68.6% of renters pay 35% or more of their income on rent.
| Measure | Tract 45 | Caño Martin Peña |
|---|---|---|
| Median home value (owner-occupied) | $90,200±$14,888 | $105,400 |
| Median gross rent | $408±$63 | $578 |
| Renters paying 35% or more of income on rent | 68.6%±21.3 pts | 46.7% |
| Median monthly owner costs, with a mortgage | $831±$55 | $839 |
| Owner-occupied homes | 48.1%±12.7 pts | 53.3% |
| Renter-occupied homes | 51.9%±12.7 pts | 46.7% |
| Housing units | 956±149 | 7,267 |
| Single-family detached homes | 72.1%±8.1 pts | 60.4% |
| Mobile homes | 0.0%±5.6 pts | 0.6% |
| Built 2020 or later | 0.0%±5.6 pts | 0.2% |
| Built 2010 to 2019 | 1.4%±2.1 pts | 2.9% |
| Built 1939 or earlier | 6.8%±4.4 pts | 9.9% |
| Households with no vehicle | 30.4%±8.4 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 45 get to work?
80.6% of Census Tract 45's workers drive alone. The average trip to work takes 24.9 minutes.
| Measure | Tract 45 | Caño Martin Peña |
|---|---|---|
| In the labor force (age 16+) | 48.4%±9.1 pts | 49.1% |
| Unemployment rate | 11.6%±8.8 pts | 19.2% |
| Drove alone to work | 80.6%±11.2 pts | 64.9% |
| Carpooled | 6.3%±7.3 pts | 6.8% |
| Public transportation | 4.8%±5.3 pts | 7.7% |
| Walked | 8.3%±6.9 pts | 7.8% |
| Worked from home | 0.0%±11.3 pts | 3.6% |
| Mean travel time to work | 24.9 min±4.2 | 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 45 compare with the other tracts in San Juan Municipio?
Among San Juan Municipio's tracts with a reliable estimate, Census Tract 45 ranks as shown below (1 = highest).
| Measure | In San Juan Municipio | In Caño Martin Peña |
|---|---|---|
| Population | 110th of 127 | 5th of 7 |
| Residents per square mile | 30th of 137 | 3rd of 7 |
| Median household income | 106th of 120 | 7th of 7 |
| Per capita income | 87th of 126 | 3rd of 7 |
| Median home value | 109th of 115 | 7th of 7 |
| Median gross rent | 108th of 119 | 7th of 7 |
| Poverty rate | 38th of 121 | 5th of 7 |
| Median age | 70th of 126 | 5th of 7 |
| Owner-occupied share | 80th of 121 | 6th of 7 |
The tracts next to it on San Juan Municipio's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 32 | 103rd | $16,950±$5,909 · within the margin of this tract |
| Tract 93 | 104th | $16,639±$1,855 · within the margin of this tract |
| Tract 37.01 | 105th | $16,573±$3,614 · within the margin of this tract |
| Tract 45 | 106th | $16,534±$4,179 |
| Tract 87 | 107th | $16,442±$3,907 · within the margin of this tract |
| Tract 35.02 | 108th | $15,466±$3,159 · within the margin of this tract |
| Tract 31 | 109th | $14,808±$1,737 · 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 45?
4 of the 16 figures for Census Tract 45 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