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Population Review

San Lorenzo Municipio, Puerto Rico Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 27th-largest in Puerto Rico

The population of San Lorenzo Municipio, Puerto Rico is 37,515 as of the 2023 American Community Survey, making it the 27th-largest county in Puerto Rico. The median household income is $21,320, the median home value is $114,500, and the median age is 44.5.

San Lorenzo Municipio within Puerto Rico · Source: US Census TIGER/Line via us-atlas

37,515

Population

706

People / sq mi

$21,320

Median Income

$114,500

Median Home Value

San Lorenzo Municipio covers 53 sq mi of land at 706.4 people per square mile.

About San Lorenzo Municipio,

San Lorenzo Municipio is a county in Puerto Rico with a population of 37,515. It ranks #27 among counties in Puerto Rico by population. The median age is 44.5, older than the national median. The population is 48.6% male and 51.4% female.

The median household income in San Lorenzo Municipio is $21,320, below the US median of $74,580. 42.2% of residents live below the federal poverty level. Home values sit at a median of $114,500, with monthly rent averaging $552. The homeownership rate of 73.8% is higher than the national rate of 64.8%.

Roughly 0.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 29.7 minutes each way.

Race & Ethnicity

White6.5%
Black or African American17.1%
Asian0.0%
Hispanic or Latino (any race)0.8%
Two or More Races0.0%

Age & Sex

44.5

Median Age

51.4%

Female

48.6%

Male

21.4%

Age 65+

Age Distribution

Under 5
3.1%
5–9
4.9%
10–14
4.8%
15–19
6.0%
20–24
6.3%
25–34
13.1%
35–44
12.4%
45–54
13.2%
55–59
7.4%
60–64
7.4%
65–74
11.6%
75–84
7.3%
85+
2.5%

Children (under 15): 12.8% · Seniors (65+): 21.4%

Income & Poverty

Median household income$21,320
Mean household income$31,845
Per-capita income$13,440
Poverty rate42.2%
Unemployment rate3.0%
Employment-to-population37.9%

Top Industries by Employment

Professional & business services
23.4%
Manufacturing
14.8%
Finance & real estate
9.8%
Construction
6.9%
Public administration
6.8%
Arts, entertainment & food
6.1%
Information
4.8%
Education & health care
4.7%

The largest employment sector in San Lorenzo Municipio is professional & business services, accounting for 23.4% of workers.

How residents commute

0.4%

Drive alone

7.0%

Carpool

85.4%

Public transit

0.1%

Work from home

29.7 min

Avg commute

Housing

$114,500

Median home value

$552

Median rent

73.8%

Homeownership rate

16,346

Total housing units

85.3%

Occupied

14.7%

Vacant

26.2%

Renter-occupied

Social & access

94.6%

With health insurance

Education

-

High School+

-

Bachelor's+

Largest cities in Puerto Rico

Other counties in Puerto Rico

Part of Puerto Rico

County rankings

Frequently Asked Questions

San Lorenzo Municipio, Puerto Rico has a population of 37,515 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 27th-largest county in Puerto Rico. Population density is 706 people per square mile.

The median household income in San Lorenzo Municipio, Puerto Rico is $21,320, with mean (average) household income of $31,845 and per-capita income of $13,440. 42.2% of residents live below the federal poverty level.

In San Lorenzo Municipio, the largest racial and ethnic groups are Black or African American (17.1%), White (6.5%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in San Lorenzo Municipio, Puerto Rico is 44.5 years. Residents are 51.4% female and 48.6% male.

The median home value in San Lorenzo Municipio is $114,500 and median monthly rent is $552. 73.8% of occupied housing units are owner-occupied. The county has 16,346 total housing units, 14.7% of which are vacant.

The largest employment sector in San Lorenzo Municipio, Puerto Rico is professional, scientific, and management services, employing 23.4% of workers. The unemployment rate is 3.0%.

San Juan is among the largest cities associated with San Lorenzo Municipio, Puerto Rico, with a population of 320,691.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.