Comunidad · Puerto Rico

Caño Martin Peña, Puerto Rico

Caño Martin Peña, comunidad, in San Juan Municipio, Puerto Rico. Caño Martin Peña had 11,618 people in the ACS 2020-2024 5-year estimates (±1,124). GEOID 7212806.

Residents, 2020-2024

11,618

±1,124 (90% margin)
2020 Census count: 10,997

Median household income

$19,149

±$2,039 (90% margin)
Puerto Rico: $26,297

Median home value

$105,400

±$8,985 (90% margin)
Puerto Rico: $131,500

Median gross rent

$578

±$54 (90% margin)
Puerto Rico: $578

Where is Caño Martin Peña and what county is it in?

Caño Martin Peña is a comunidad in San Juan Municipio, Puerto Rico. It covers 0.7 square miles of land, 15,984 residents per square mile in 2020.

Caño Martin Peña is in the San Juan-Bayamón-Caguas, PR metropolitan statistical area, which takes in 40 counties (Census Bureau delineation, July 2023).

Caño Martin Peña (marked with a dot) in San Juan Municipio, Puerto Rico. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Caño Martin Peña, and is it growing?

The 2020-2024 American Community Survey puts Caño Martin Peña's population at 11,618 (±1,124). The 2020 Census counted 10,997 residents.

The Census Bureau publishes yearly population estimates for incorporated places only; Caño Martin Peña is a census-designated place, so its figures come from the ACS and the 2020 Census.

ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure Caño Martin PeñaSan Juan MunicipioPuerto Rico Change since 2015-2019
Total population 11,618 ±1,124 336,160 3,234,309 –
Housing units 7,267 ±490 201,026 1,634,357 –

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Caño Martin Peña?

The median resident of Caño Martin Peña is 47.4 years old; 14.2% are under 18 and 23.2% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 99.5%, then non-Hispanic Black residents at 0.2%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure Caño Martin PeñaSan Juan MunicipioPuerto Rico Change since 2015-2019
Median age 47.4 ±2.6 45.8 44.8 –
Under 18 years 14.2% ±2.8 pts 15.3% 16.1% –
65 years and over 23.2% ±3.2 pts 25.5% 23.4% –
Male 50.1% ±3.3 pts 45.7% 47.3% –
Hispanic or Latino (any race) 99.5% ±0.4 pts 98.2% 99.0% –
White alone, not Hispanic 0.1% ±0.1 pts 1.1% 0.6% –
Black or African American alone, not Hispanic 0.2% ±0.3 pts 0.2% 0.1% –
Asian alone, not Hispanic 0.0% ±0.5 pts 0.2% 0.1% –
American Indian and Alaska Native alone, not Hispanic 0.0% ±0.5 pts 0.0% 0.0% –
Native Hawaiian and Other Pacific Islander alone, not Hispanic 0.0% ±0.5 pts 0.0% 0.0% –
Two or more races, not Hispanic 0.1% ±0.1 pts 0.1% 0.1% –
Some other race alone, not Hispanic 0.2% ±0.2 pts 0.2% 0.1% –
No health insurance coverage 18.6% ±2.9 pts 8.7% 5.7% –

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 Caño Martin Peña earn?

Half of Caño Martin Peña's households earn less than $19,149 a year (±$2,039), against $27,992 in San Juan Municipio and $26,297 in Puerto Rico. 59.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure Caño Martin PeñaSan Juan MunicipioPuerto Rico Change since 2015-2019
Median household income $19,149 ±$2,039 $27,992 $26,297 –
Mean household income $27,879 ±$3,471 $53,654 $41,994 –
Per capita income $13,156 ±$1,806 $25,758 $17,981 –
People below the poverty line 59.5% ±4.9 pts 38.8% 40.5% –
Children under 18 below the poverty line 84.0% ±7.8 pts 59.0% 54.9% –
Households receiving SNAP 46.8% ±4.5 pts 35.9% 47.4% –

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 Caño Martin Peña?

Owners occupy 53.3% of Caño Martin Peña's occupied homes and renters 46.7%. The median owner-occupied home is valued at $105,400 by its owner (±$8,985). The median renter pays $578 a month including utilities, and 46.7% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure Caño Martin PeñaSan Juan MunicipioPuerto Rico Change since 2015-2019
Median home value (owner-occupied) $105,400 ±$8,985 $171,200 $131,500 –
Median gross rent $578 ±$54 $611 $578 –
Renters paying 35% or more of income on rent 46.7% ±8.7 pts 45.3% 42.3% –
Median monthly owner costs, with a mortgage $839 ±$59 $1,178 $946 –
Owner-occupied homes 53.3% ±4.5 pts 52.8% 67.9% –
Renter-occupied homes 46.7% ±4.5 pts 47.2% 32.1% –
Housing units 7,267 ±490 201,026 1,634,357 –
Homeowner vacancy rate 1.8% ±1.5 pts 2.2% 1.3% –
Rental vacancy rate 5.8% ±2.5 pts 6.8% 5.1% –
Single-family detached homes 60.4% ±3.5 pts 39.7% 68.0% –
Mobile homes 0.6% ±0.5 pts 0.1% 0.2% –
Built 2020 or later 0.2% ±0.3 pts 0.2% 0.2% –
Built 2010 to 2019 2.9% ±0.9 pts 2.0% 3.2% –
Built 1939 or earlier 9.9% ±2.2 pts 4.8% 1.8% –
Households with no vehicle 33.2% ±4.9 pts 20.8% 13.0% –

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 Caño Martin Peña work and get to work?

64.9% of Caño Martin Peña's workers drive alone and 3.6% work from home. The average trip to work takes 23.7 minutes. The unemployment rate in 2020-2024 averaged 19.2%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure Caño Martin PeñaSan Juan MunicipioPuerto Rico Change since 2015-2019
In the labor force (age 16+) 49.1% ±3.3 pts 52.4% 46.4% –
Unemployment rate 19.2% ±5.1 pts 12.3% 10.7% –
Drove alone to work 64.9% ±6.1 pts 73.4% 82.6% –
Carpooled 6.8% ±3.0 pts 7.0% 6.4% –
Public transportation 7.7% ±2.7 pts 3.4% 0.9% –
Walked 7.8% ±3.9 pts 4.4% 2.4% –
Worked from home 3.6% ±2.3 pts 8.2% 6.1% –
Mean travel time to work 23.7 min ±1.6 24.0 min 28.0 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 census tracts are in Caño Martin Peña?

7 census tracts lie mostly in Caño Martin Peña (2020 census blocks). Their median household incomes run from $16,534 (Tract 45) to $26,250 (Tract 38).

Census tracts in Caño Martin Peña, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Caño Martin Peña
Tract 46San Juan Municipio2,883 $20,098 $96,800100%
Tract 38San Juan Municipio2,173 $26,250 $126,300100%
Tract 44San Juan Municipio1,645 $17,664 $106,100100%
Tract 37.01San Juan Municipio1,549 $16,573 $151,400100%
Tract 45San Juan Municipio1,301 $16,534 $90,200100%
Tract 37.02San Juan Municipio1,118 $21,131 $94,000100%
Tract 36San Juan Municipio949 $19,120 $119,800100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Caño Martin Peña) · Census block assignment files

How does Caño Martin Peña compare with other places in Puerto Rico?

Caño Martin Peña ranks 144th of 198 places in Puerto Rico with 1,000 or more residents and a reliable estimate, by median household income.

Caño Martin Peña's rank in Puerto Rico (1 = highest): by population among the state's incorporated places with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population (ACS 2020-2024)22nd213
Residents per square mile1st213
Median household income144th198
Per capita income107th211
Median home value105th204
Median gross rent58th140
Poverty rate33rd201
Median age73rd209
Owner-occupied share182nd212
Work from home28th29
Travel time to work132nd202

Caño Martin Peña's figures with every place in Puerto Rico (CSV)

Every place in Puerto Rico, sortable · Compare Caño Martin Peña with other places

Source: PlainCities ranks computed 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 reliable are the figures for Caño Martin Peña?

10 of the 43 figures for Caño Martin Peña 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.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. 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 · ACS technical documentation

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 Caño Martin Peña 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.