San Juan Municipality, PR demographics:
population, income, and more

Total population
382,634
-0.4% year-over-year change
Median household income
$27,557/yr
5.7% year-over-year change
Housing units
221,921
4.2% year-over-year change

San Juan County population

How many people live in San Juan County

San Juan County is home to 382,634 residents, according to the most recent Census data. Gender-wise, 45.8% of San Juan County locals are male, and 54.2% are female.

Total population
382,634
-0.4% year-over-year change
Gender ratio
Male
45.8%
175,327
Female
54.2%
207,307
Value Percent YoY change
Male 175,327 45.8% -0.1%
Female 207,307 54.2% -0.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in San Juan County is 46, with the population distributed as follows: about 12% are children under 15, then 12.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.2% of the population, while another 25.6% fall into the 45 to 64 bracket. Finally, around 25% are 65 or older.

Median age
46
Age breakdown
Under 15
12%
15 to 24
12.2%
25 to 44
25.2%
45 to 64
25.6%
Over 65
25%
Value Percent YoY change
Under 15 45,712 12% -4.7%
15 to 24 46,831 12.2% -2.1%
25 to 44 96,497 25.2% 0.5%
45 to 64 97,749 25.6% -0.7%
Over 65 95,845 25% 2.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Households in San Juan County

A peek inside San Juan County households

San Juan County has 172,166 households, with an average of 2 members in each. Of these, 52.6% are families, while the remaining 47.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
172,166
4.2% year-over-year change
Average people per household
2
Non-family households
81,681
Family households
90,485
Value Percent YoY change
Non-family households 81,681 47.4% 6.4%
Family households 90,485 52.6% 2.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in San Juan County

The housing landscape of San Juan County

San Juan County's housing consists of 221,921 units, with 41.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 9.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.1% of the housing landscape.

Housing units
221,921
4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 92,302 41.6%
1 unit, attached 21,298 9.6%
2 units 7,039 3.2%
3 or 4 units 12,715 5.7%
5 to 9 units 21,590 9.7%
10 to 19 units 18,633 8.4%
20 to 49 units 11,276 5.1%
50 or more units 36,765 16.6%
Mobile home 272 0.1%
Boat, RV, van, etc. 31 0%
Homes built since 2020
413
89.5% year-over-year change

The age of buildings in San Juan County

In San Juan County, the median construction year is 1966. About 4.5% of homes were built before the 1940s, with another 10.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.2% of homes were added from 2000 to 2009, 2.2% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 10,007 4.5% -5.0%
Built between 1940 and 1949 23,951 10.8% 2.3%
Built between 1950 and 1959 37,882 17.1% 10.3%
Built between 1960 and 1969 46,520 21% -1.7%
Built between 1970 and 1979 39,138 17.6% 4.8%
Built between 1980 and 1989 24,526 11% 5.9%
Built between 1990 and 1999 18,634 8.4% 0.1%
Built between 2000 and 2009 15,945 7.2% 11.6%
Built between 2010 and 2019 4,905 2.2% 34.5%
Built in 2020 or later 413 0.2% 89.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

San Juan County occupancy rates

Out of the 172,166 occupied housing units in San Juan County, 55% are owner-occupied, while 45% are lived in by tenants. Meanwhile, 22.4% of all homes on the local market sit vacant.

Occupied housing units
172,166
4.2% year-over-year change
Occupancy breakdown
Renter occupied
77,390
Owner occupied
94,776
Value Percent YoY
change
Renter occupied 77,390 45% 5.5%
Owner occupied 94,776 55% 3.1%
Unoccupied housing units
22.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

San Juan County housing costs

Housing costs in San Juan County come to a median of $715 per month, while tenants specifically pay a median gross rent of $614.

Median housing costs per month
$715/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in San Juan County
$614/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in San Juan County

San Juan County education at a glance

About 26% of the population in San Juan County went to high school, while 14.4% pursued college studies. Another 11.4% earned an associate degree and 25% hold a bachelor’s. Meanwhile, 15.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 24,471 7.5% -5.7%
High school diploma 84,246 26% 1.6%
College diploma 46,647 14.4% -3.2%
Associate degree 36,855 11.4% 1.6%
Bachelor's degree 81,157 25% 2.1%
Graduate degree 50,971 15.7% 0.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in San Juan County

How much people earn in San Juan County

The average annual household income in San Juan County was $56,639 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -4.6% change from the previous year. At the same time, the median income stood at $27,557, reflecting a +5.7% shift over the same period.

Average household income in San Juan County
$56,639/year
-4.6% year-over-year change
Median household income in San Juan County
$27,557/year
5.7% year-over-year change

San Juan County income by age

In San Juan County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $31,010. Those with someone between 45 and 64 in charge, often well established professionally, earn $32,188 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $8,776, while those led by someone over 65, many of whom may be retired, have about $24,034 in earnings.

Income breakdown by age
Value YoY change
Under 25 $8,776 62.0%
25 - 44 $31,010 -6.0%
45 - 64 $32,188 9.6%
Over 65 $24,034 11.8%

Employment in San Juan County

Workforce and job types in San Juan County

86% of the working population are employed in professional or administrative positions, while 14% are in hands-on or service-based jobs. Also, 20.1% run their own businesses, 58.5% are employed by private companies, and 17% work in the public sector.

Workforce demographics

White collar
133,833
Blue collar
21,746
Value Percent YoY change
White collar 133,833 86% 2.6%
Blue collar 21,746 14% 6.8%
Employer type
Self employees
20.1%
Private companies
58.5%
Governmental workers
17%
Not for profit companies
4.4%
Value Percent YoY change
Self employees 31,229 20.1% 2.4%
Private companies 91,071 58.5% 4.4%
Governmental workers 26,429 17% 3.6%
Not for profit companies 6,850 4.4% -9.2%

Transportation in San Juan County

How people get around in San Juan County

In San Juan County, the average commute time is 231 minutes. Commuting methods vary: 92.5% of residents travel by personal vehicle and 4.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
231 min
0.9% year-over-year change
Means of transportation
Value Percent YoY change
Car 124,591 92.5% 3.0%
Taxicab 725 0.5% -7.8%
Bus or trolleybus 2,947 2.2% -7.0%
Railroad 6 0% 0.0%
Motorcycle 120 0.1% 5.3%
Bicycle 344 0.3% -7.5%
Walk 5,933 4.4% -4.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in San Juan County by zipcode?

Zipcode Population Number of households Median income Average income
00917 17,116 8,252 $19,357 $32,485
00918 16,172 8,255 $39,287 $73,233
00901 6,398 3,111 $27,557 $76,940
00906 49 41 $0 $56,878
00907 15,817 8,730 $41,615 $101,853
00909 5,633 2,947 $23,101 $49,442
00911 7,297 3,990 $42,382 $101,214
00912 5,845 2,872 $31,636 $51,250
00913 6,943 3,329 $7,049 $37,636
00915 24,607 11,125 $16,590 $24,943

Find your place

Explore more communities

FAQs about San Juan County demographics 

What is the total population of San Juan County?

San Juan County has a total population of 382,634 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.4% compared to a year ago.

What is the gender ratio in San Juan County?

The gender ratio in San Juan County is as follows:
  • 45.8% males (175,327 residents)
  • 54.2% females (207,307 residents)

What is the median age in San Juan County?

The median age in San Juan County is 46.

What is the age distribution of the population in San Juan County?

The age distribution in San Juan County is as follows:
  • Under 15: 12% (45,712 residents)
  • Ages 15-24: 12.2% (46,831 residents)
  • Ages 25-44: 25.2% (96,497 residents)
  • Ages 45-64: 25.6% (97,749 residents)
  • Over 65: 25% (95,845 residents)

What is the racial and ethnic makeup of San Juan County?

The racial and ethnic makeup of San Juan County is as follows:
  • White: 23% (87,910 residents)
  • Black or African American: 9.1% (34,913 residents)
  • American Indian and Alaska Native: 0.3% (1,031 residents)
  • Asian: 0.2% (815 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (19 residents)
  • Two or More Races: 37.6% (143,750 residents)
  • Other: 29.8% (114,196 residents)

What percentage of the population in San Juan County are U.S.-born citizens?

U.S.-born citizens represent 0% of the population in San Juan County.

How many housing units are there in San Juan County?

There are 221,921 housing units in San Juan County, reflecting a +4.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in San Juan County and what is the average household size?

San Juan County has a total of 172,166 households, with an average of 2 people in each.

What is the median household income in San Juan County?

San Juan County has a median household income of $27,557, representing a +5.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for San Juan County?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 86% (133,833 residents)
  • Blue-collar workers: 14% (21,746 residents)

Places of employment:
  • Self-employed: 20.1% (31,229 residents)
  • Private companies: 58.5% (91,071 residents)
  • Governmental workers: 17% (26,429 residents)
  • Not-for-profit companies: 4.4% (6,850 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025