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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,

What sets San Lorenzo Municipio apart is where people work — remote work is unusually rare here, at 0.1% versus 14.0% nationally. 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.

Household earnings sit near the bottom of the range at $21,320, below the US median of $78,538. Poverty is among the highest of comparable US counties: 42.2%, above the national 12.4%. Homes are comparatively cheap — a median value of $114,500, with typical rent around $552.

Almost everyone commutes — only 0.1% work from home, below the national 14.0%, and the average commute runs about 30 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.