Cayey Municipality, PR demographics:
population, income, and more

Total population
45,306
-0.5% year-over-year change
Median household income
$29,971/yr
4.6% year-over-year change
Housing units
22,505
4.0% year-over-year change

Cayey County population

How many people live in Cayey County

Cayey County is home to 45,306 residents, according to the most recent Census data. Gender-wise, 47.8% of Cayey County locals are male, and 52.2% are female.

Total population
45,306
-0.5% year-over-year change
Gender ratio
Male
47.8%
21,667
Female
52.2%
23,639
Value Percent YoY change
Male 21,667 47.8% -1.1%
Female 23,639 52.2% 0.1%
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 Cayey County is 46, with the population distributed as follows: about 11.8% are children under 15, then 12.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.9% of the population, while another 27% fall into the 45 to 64 bracket. Finally, around 24% are 65 or older.

Median age
45.6
Age breakdown
Under 15
11.8%
15 to 24
12.2%
25 to 44
24.9%
45 to 64
27%
Over 65
24%
Value Percent YoY change
Under 15 5,364 11.8% -3.6%
15 to 24 5,530 12.2% -3.8%
25 to 44 11,292 24.9% 0.6%
45 to 64 12,232 27% -1.0%
Over 65 10,888 24% 2.5%
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 Cayey County

A peek inside Cayey County households

Cayey County has 18,720 households, with an average of 2 members in each. Of these, 64.2% are families, while the remaining 35.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
18,720
3.5% year-over-year change
Average people per household
2
Non-family households
6,694
Family households
12,026
Value Percent YoY change
Non-family households 6,694 35.8% 3.6%
Family households 12,026 64.2% 3.4%
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 Cayey County

The housing landscape of Cayey County

Cayey County's housing consists of 22,505 units, with 69% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.2% 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
22,505
4.0% year-over-year change
Housing types
Value Percent
1 unit, detached 15,540 69%
1 unit, attached 726 3.2%
2 units 3,871 17.2%
3 or 4 units 1,036 4.6%
5 to 9 units 875 3.9%
10 to 19 units 335 1.5%
20 to 49 units 19 0.1%
50 or more units 81 0.4%
Mobile home 22 0.1%
Homes built since 2020
11
0.0% year-over-year change

The age of buildings in Cayey County

In Cayey County, the median construction year is 1982. About 2% of homes were built before the 1940s, with another 2.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 459 2% 16.5%
Built between 1940 and 1949 541 2.4% -3.4%
Built between 1950 and 1959 1,908 8.5% 0.0%
Built between 1960 and 1969 2,933 13% -3.0%
Built between 1970 and 1979 4,793 21.3% -7.0%
Built between 1980 and 1989 3,580 15.9% 16.1%
Built between 1990 and 1999 3,882 17.2% 11.1%
Built between 2000 and 2009 4,000 17.8% 10.6%
Built between 2010 and 2019 398 1.8% -2.2%
Built in 2020 or later 11 0% 0.0%
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.

Cayey County occupancy rates

Out of the 18,720 occupied housing units in Cayey County, 63.1% are owner-occupied, while 36.9% are lived in by tenants. Meanwhile, 16.8% of all homes on the local market sit vacant.

Occupied housing units
18,720
3.5% year-over-year change
Occupancy breakdown
Renter occupied
6,900
Owner occupied
11,820
Value Percent YoY
change
Renter occupied 6,900 36.9% 1.6%
Owner occupied 11,820 63.1% 4.6%
Unoccupied housing units
16.8%
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.

Cayey County housing costs

Housing costs in Cayey County come to a median of $470 per month, while tenants specifically pay a median gross rent of $569.

Median housing costs per month
$470/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 Cayey County
$569/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 Cayey County

Cayey County education at a glance

About 39.4% of the population in Cayey County went to high school, while 13% pursued college studies. Another 9.2% earned an associate degree and 19.4% hold a bachelor’s. Meanwhile, 7.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4,331 11.3% -6.9%
High school diploma 15,142 39.4% 2.1%
College diploma 5,008 13% -13.7%
Associate degree 3,534 9.2% 13.2%
Bachelor's degree 7,468 19.4% 5.4%
Graduate degree 2,941 7.6% 1.4%
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 Cayey County

How much people earn in Cayey County

The average annual household income in Cayey County was $42,614 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.8% change from the previous year. At the same time, the median income stood at $29,971, reflecting a +4.6% shift over the same period.

Average household income in Cayey County
$42,614/year
1.8% year-over-year change
Median household income in Cayey County
$29,971/year
4.6% year-over-year change

Cayey County income by age

In Cayey County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $36,784. Those with someone between 45 and 64 in charge, often well established professionally, earn $34,889 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $20,795, while those led by someone over 65, many of whom may be retired, have about $22,678 in earnings.

Income breakdown by age
Value YoY change
Under 25 $20,795 10.7%
25 - 44 $36,784 4.6%
45 - 64 $34,889 -0.7%
Over 65 $22,678 1.3%

Employment in Cayey County

Workforce and job types in Cayey County

77.9% of the working population are employed in professional or administrative positions, while 22.1% are in hands-on or service-based jobs. Also, 16.8% run their own businesses, 63.1% are employed by private companies, and 19% work in the public sector.

Workforce demographics

White collar
12,875
Blue collar
3,657
Value Percent YoY change
White collar 12,875 77.9% 2.1%
Blue collar 3,657 22.1% 6.9%
Employer type
Self employees
16.8%
Private companies
63.1%
Governmental workers
19%
Not for profit companies
1.1%
Value Percent YoY change
Self employees 2,774 16.8% 7.0%
Private companies 10,428 63.1% 4.7%
Governmental workers 3,147 19% -2.1%
Not for profit companies 183 1.1% -27.7%

Transportation in Cayey County

How people get around in Cayey County

Commuting methods vary: 98% of residents travel by personal vehicle and 1.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 15,755 98% 3.5%
Taxicab 33 0.2% 3.1%
Bus or trolleybus 10 0.1% -69.7%
Walk 270 1.7% -21.1%
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 Cayey County by zipcode?

Zipcode Population Number of households Median income Average income
00736 45,306 18,720 $29,971 $42,614

Explore more communities

FAQs about Cayey County demographics 

What is the total population of Cayey County?

Cayey County has a total population of 45,306 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 -0.5% compared to a year ago.

What is the gender ratio in Cayey County?

The gender ratio in Cayey County is as follows:
  • 47.8% males (21,667 residents)
  • 52.2% females (23,639 residents)

What is the median age in Cayey County?

The median age in Cayey County is 45.6.

What is the age distribution of the population in Cayey County?

The age distribution in Cayey County is as follows:
  • Under 15: 11.8% (5,364 residents)
  • Ages 15-24: 12.2% (5,530 residents)
  • Ages 25-44: 24.9% (11,292 residents)
  • Ages 45-64: 27% (12,232 residents)
  • Over 65: 24% (10,888 residents)

What is the racial and ethnic makeup of Cayey County?

The racial and ethnic makeup of Cayey County is as follows:
  • White: 31.8% (14,430 residents)
  • Black or African American: 9.3% (4,205 residents)
  • American Indian and Alaska Native: 1% (470 residents)
  • Asian: 0% ( residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 23.4% (10,613 residents)
  • Other: 34.4% (15,588 residents)

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

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

How many housing units are there in Cayey County?

There are 22,505 housing units in Cayey County, reflecting a +4.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Cayey County has a total of 18,720 households, with an average of 2 people in each.

What is the median household income in Cayey County?

Cayey County has a median household income of $29,971, representing a +4.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Cayey County?

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

Job types:
  • White-collar workers: 77.9% (12,875 residents)
  • Blue-collar workers: 22.1% (3,657 residents)

Places of employment:
  • Self-employed: 16.8% (2,774 residents)
  • Private companies: 63.1% (10,428 residents)
  • Governmental workers: 19% (3,147 residents)
  • Not-for-profit companies: 1.1% (183 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