County · Puerto Rico
San Lorenzo Municipio, Puerto Rico
San Lorenzo Municipio, Puerto Rico. San Lorenzo Municipio had 37,275 residents in 2025 by the Census Bureau's estimate, down 1.1% since 2020, a smaller fall than Puerto Rico's (−3.1%). It holds 2 places (2 census-designated) and 9 census tracts. GEOID 72129.
San Lorenzo Municipio is one of the 40 counties of the San Juan-Bayamón-Caguas, PR metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
37,275
Census Bureau estimate (no margin published)
2020 Census count: 37,693 · ACS 2020-2024: 37,431
Median household income
$22,847
±$1,829 (90% margin)
Puerto Rico: $26,297
Median home value
$113,900
±$3,990 (90% margin)
Puerto Rico: $131,500
Median gross rent
$579
±$36 (90% margin)
Puerto Rico: $578
How many people live in San Lorenzo Municipio, and is it growing?
The 2020 Census counted 37,693 residents in San Lorenzo Municipio. The Census Bureau estimates 37,275 for July 1, 2025, down 1.1% since 2020, a smaller fall than Puerto Rico's (−3.1%). The 2020-2024 American Community Survey puts the population at 37,431 over 53 square miles of land.
| Measure | San Lorenzo Municipio | Puerto Rico | Change since 2015-2019 |
|---|---|---|---|
| Total population | 37,431 | 3,234,309 | +222 |
| Housing units | 16,809±433 | 1,634,357 | +607 |
San Lorenzo Municipio's population since 2000
From 40,997 in 2000 to 37,275 in 2025: down 9.1%. 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 San Lorenzo Municipio?
San Lorenzo Municipio holds 2 places: 2 census-designated places. The largest is San Lorenzo zona urbana with 9,453 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| San Lorenzo zona urbana | 8,664 | $24,915 |
|---|---|---|
| JagualGEOID 7237166 | 864 | $25,417 |
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 San Lorenzo Municipio?
The median resident of San Lorenzo Municipio is 45.0 years old; 15.7% are under 18 and 22.2% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 99.8%, then non-Hispanic Asian residents at 0.2%.
| Measure | San Lorenzo Municipio | Puerto Rico | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.0±0.1 | 44.8 | +2.6 |
| Under 18 years | 15.7% | 16.1% | – |
| 65 years and over | 22.2% | 23.4% | – |
| Hispanic or Latino (any race) | 99.8%±0.4 pts | 99.0% | no clear change |
| White alone, not Hispanic | 0.0%±0.1 pts | 0.6% | – |
| Black or African American alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Asian alone, not Hispanic | 0.2%±0.4 pts | 0.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Some other race alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| No health insurance coverage | 5.0%±1.1 pts | 5.7% | no clear change |
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 San Lorenzo Municipio earn?
Half of San Lorenzo Municipio's households earn less than $22,847 a year (±$1,829), against $26,297 in Puerto Rico. In 2015-2019 it was $23,851 in 2024 dollars; the margins of error cannot tell the two periods apart. 43.4% of residents live below the poverty line.
| Measure | San Lorenzo Municipio | Puerto Rico | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $22,847±$1,829 | $26,297 | no clear change |
| Mean household income | $34,829±$2,708 | $41,994 | – |
| Per capita income | $14,903±$1,107 | $17,981 | no clear change |
| People below the poverty line | 43.4%±3.4 pts | 40.5% | no clear change |
| Children under 18 below the poverty line | 54.1%±7.5 pts | 54.9% | no clear change |
| Households receiving SNAP | 56.5%±3.5 pts | 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 San Lorenzo Municipio?
Owners occupy 72.0% of San Lorenzo Municipio's occupied homes and renters 28.0%. The median owner-occupied home is valued at $113,900 by its owner (±$3,990). The median renter pays $579 a month including utilities, and 49.4% of renters pay 35% or more of their income on rent.
| Measure | San Lorenzo Municipio | Puerto Rico | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $113,900±$3,990 | $131,500 | −$21,599 |
| Median gross rent | $579±$36 | $578 | no clear change |
| Renters paying 35% or more of income on rent | 49.4%±7.9 pts | 42.3% | no clear change |
| Median monthly owner costs, with a mortgage | $975±$64 | $946 | – |
| Owner-occupied homes | 72.0%±2.8 pts | 67.9% | no clear change |
| Housing units | 16,809±433 | 1,634,357 | +607 |
| Homeowner vacancy rate | 0.0%±0.5 pts | 1.3% | – |
| Rental vacancy rate | 0.8%±0.8 pts | 5.1% | – |
| Single-family detached homes | 78.8%±2.5 pts | 68.0% | – |
| Mobile homes | 0.1%±0.1 pts | 0.2% | – |
| Built 2020 or later | 0.3%±0.4 pts | 0.2% | – |
| Built 1939 or earlier | 1.3%±0.5 pts | 1.8% | – |
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 San Lorenzo Municipio get to work?
83.6% of San Lorenzo Municipio's workers drive alone. The average trip to work takes 30.4 minutes. The unemployment rate in 2020-2024 averaged 7.4%.
| Measure | San Lorenzo Municipio | Puerto Rico | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 43.5%±2.0 pts | 46.4% | – |
| Unemployment rate | 7.4%±2.3 pts | 10.7% | no clear change |
| Drove alone to work | 83.6%±3.5 pts | 82.6% | – |
| Carpooled | 7.6%±2.8 pts | 6.4% | – |
| Public transportation | 0.4%±0.5 pts | 0.9% | – |
| Walked | 8.2%±2.3 pts | 2.4% | – |
| Worked from home | 0.1%±0.1 pts | 6.1% | – |
| Mean travel time to work | 30.4 min±2.2 | 28.0 min | −5.2 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 San Lorenzo Municipio's census tracts?
San Lorenzo Municipio is divided into 9 census tracts. Among those with a reliable estimate, median household income runs from $16,036 (Tract 2207) to $29,616 (Tract 2201).
| Tract 220172129220100 | 7,119±1,175 | $29,616 |
|---|---|---|
| Tract 220272129220200 | 2,678±650 | $16,524 |
| Tract 220372129220300 | 1,491±354 | $18,786 |
| Tract 2204.0172129220401 | 4,968±946 | $28,038 |
| Tract 2204.0272129220402 | 4,907±754 | $26,240 |
| Tract 2205.0172129220501 | 3,312±739 | $20,919 |
| Tract 2205.0272129220502 | 3,999±806 | $21,250 |
| Tract 220672129220600 | 2,882±641 | $32,902 |
| Tract 220772129220700 | 6,075±1,184 | $16,036 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does San Lorenzo Municipio compare with Puerto Rico's other counties?
| Measure | Rank |
|---|---|
| Population | 27th of 78 |
| Growth 2020-2025 | 16th of 78 |
| Residents per square mile | 44th of 78 |
| Median household income | 49th of 78 |
| Median home value | 43rd of 78 |
| Median gross rent | 23rd of 78 |
| Poverty rate | 42nd of 78 |
| Median age | 38th of 78 |
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 San Lorenzo Municipio 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.