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

Total population
105,673
-0.2% year-over-year change
Median household income
$23,299/yr
12.7% year-over-year change
Housing units
52,354
4.7% year-over-year change

Isabela County population

How many people live in Isabela County

Isabela County is home to 105,673 residents, according to the most recent Census data. Gender-wise, 48.4% of Isabela County locals are male, and 51.6% are female.

Total population
105,673
-0.2% year-over-year change
Gender ratio
Male
48.4%
51,148
Female
51.6%
54,525
Value Percent YoY change
Male 51,148 48.4% -0.4%
Female 54,525 51.6% 0.0%
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 Isabela County is 46, with the population distributed as follows: about 12.4% are children under 15, then 11.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.7% of the population, while another 27.2% fall into the 45 to 64 bracket. Finally, around 23.9% are 65 or older.

Median age
45.8
Age breakdown
Under 15
12.4%
15 to 24
11.9%
25 to 44
24.7%
45 to 64
27.2%
Over 65
23.9%
Value Percent YoY change
Under 15 13,106 12.4% -4.6%
15 to 24 12,532 11.9% -2.1%
25 to 44 26,072 24.7% 0.3%
45 to 64 28,705 27.2% -0.4%
Over 65 25,258 23.9% 3.0%
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 Isabela County

A peek inside Isabela County households

Isabela County has 38,116 households, with an average of 3 members in each. Of these, 66.4% are families, while the remaining 33.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
38,116
2.4% year-over-year change
Average people per household
3
Non-family households
12,813
Family households
25,303
Value Percent YoY change
Non-family households 12,813 33.6% 6.9%
Family households 25,303 66.4% 0.3%
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 Isabela County

The housing landscape of Isabela County

Isabela County's housing consists of 52,354 units, with 81.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 11.2% 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 0.2% of the housing landscape.

Housing units
52,354
4.7% year-over-year change
Housing types
Value Percent
1 unit, detached 42,744 81.6%
1 unit, attached 5,856 11.2%
2 units 291 0.6%
3 or 4 units 898 1.7%
5 to 9 units 1,375 2.6%
10 to 19 units 521 1%
20 to 49 units 464 0.9%
50 or more units 111 0.2%
Mobile home 94 0.2%
Homes built since 2020
29
52.6% year-over-year change

The age of buildings in Isabela County

In Isabela County, the median construction year is 1983. About 1.7% of homes were built before the 1940s, with another 2.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 16.5% of homes were added from 2000 to 2009, 5.4% between 2010 and 2019, and 0.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 910 1.7% 94.9%
Built between 1940 and 1949 1,291 2.5% 24.5%
Built between 1950 and 1959 3,120 6% 13.7%
Built between 1960 and 1969 7,111 13.6% 9.2%
Built between 1970 and 1979 10,711 20.5% -4.2%
Built between 1980 and 1989 9,322 17.8% -2.1%
Built between 1990 and 1999 8,437 16.1% 0.0%
Built between 2000 and 2009 8,623 16.5% 7.8%
Built between 2010 and 2019 2,800 5.4% 35.5%
Built in 2020 or later 29 0.1% 52.6%
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.

Isabela County occupancy rates

Out of the 38,116 occupied housing units in Isabela County, 70.4% are owner-occupied, while 29.6% are lived in by tenants. Meanwhile, 27.2% of all homes on the local market sit vacant.

Occupied housing units
38,116
2.4% year-over-year change
Occupancy breakdown
Renter occupied
11,302
Owner occupied
26,814
Value Percent YoY
change
Renter occupied 11,302 29.6% -6.5%
Owner occupied 26,814 70.4% 6.7%
Unoccupied housing units
27.2%
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.

Isabela County housing costs

Housing costs in Isabela County come to a median of $276 per month, while tenants specifically pay a median gross rent of $522.

Median housing costs per month
$276/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 Isabela County
$522/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 Isabela County

Isabela County education at a glance

About 35.8% of the population in Isabela County went to high school, while 14% pursued college studies. Another 14.1% earned an associate degree and 16.6% hold a bachelor’s. Meanwhile, 4.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 13,384 15.1% -2.5%
High school diploma 31,860 35.8% 1.1%
College diploma 12,485 14% 6.7%
Associate degree 12,564 14.1% 5.2%
Bachelor's degree 14,788 16.6% -2.4%
Graduate degree 3,808 4.3% -12.8%
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 Isabela County

How much people earn in Isabela County

The average annual household income in Isabela County was $31,139 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.6% change from the previous year. At the same time, the median income stood at $23,299, reflecting a +12.7% shift over the same period.

Average household income in Isabela County
$31,139/year
6.6% year-over-year change
Median household income in Isabela County
$23,299/year
12.7% year-over-year change

Isabela County income by age

In Isabela County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $29,645. Those with someone between 45 and 64 in charge, often well established professionally, earn $26,181 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $2,499, while those led by someone over 65, many of whom may be retired, have about $17,393 in earnings.

Income breakdown by age
Value YoY change
Under 25 $2,499 0.0%
25 - 44 $29,645 13.0%
45 - 64 $26,181 14.1%
Over 65 $17,393 5.3%

Employment in Isabela County

Workforce and job types in Isabela County

74.4% of the working population are employed in professional or administrative positions, while 25.6% are in hands-on or service-based jobs. Also, 16.4% run their own businesses, 62.9% are employed by private companies, and 17.8% work in the public sector.

Workforce demographics

White collar
23,881
Blue collar
8,235
Value Percent YoY change
White collar 23,881 74.4% 2.0%
Blue collar 8,235 25.6% 0.3%
Employer type
Self employees
16.4%
Private companies
62.9%
Governmental workers
17.8%
Not for profit companies
2.9%
Value Percent YoY change
Self employees 5,278 16.4% 2.4%
Private companies 20,208 62.9% 2.6%
Governmental workers 5,711 17.8% -1.3%
Not for profit companies 919 2.9% -7.7%

Transportation in Isabela County

How people get around in Isabela County

In Isabela County, the average commute time is 26 minutes. Commuting methods vary: 96% of residents travel by personal vehicle and 3.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
26 min
Means of transportation
Value Percent YoY change
Car 28,166 96% 0.8%
Bus or trolleybus 85 0.3% -3.4%
Motorcycle 29 0.1% N/A
Bicycle 16 0% 33.3%
Walk 1,036 3.5% 3.7%
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 Isabela County by zipcode?

Zipcode Population Number of households Median income Average income
00662 41,090 14,285 $23,299 $32,585
00678 24,595 9,041 $23,874 $31,138
00685 39,988 14,790 $20,310 $29,694

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FAQs about Isabela County demographics 

What is the total population of Isabela County?

Isabela County has a total population of 105,673 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 -0.2% compared to a year ago.

What is the gender ratio in Isabela County?

The gender ratio in Isabela County is as follows:
  • 48.4% males (51,148 residents)
  • 51.6% females (54,525 residents)

What is the median age in Isabela County?

The median age in Isabela County is 45.8.

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

The age distribution in Isabela County is as follows:
  • Under 15: 12.4% (13,106 residents)
  • Ages 15-24: 11.9% (12,532 residents)
  • Ages 25-44: 24.7% (26,072 residents)
  • Ages 45-64: 27.2% (28,705 residents)
  • Over 65: 23.9% (25,258 residents)

What is the racial and ethnic makeup of Isabela County?

The racial and ethnic makeup of Isabela County is as follows:
  • White: 55.4% (58,535 residents)
  • Black or African American: 3.6% (3,852 residents)
  • American Indian and Alaska Native: 0.2% (212 residents)
  • Asian: 0% (36 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (29 residents)
  • Two or More Races: 15.5% (16,416 residents)
  • Other: 25.2% (26,593 residents)

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

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

How many housing units are there in Isabela County?

There are 52,354 housing units in Isabela County, reflecting a +4.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Isabela County has a total of 38,116 households, with an average of 3 people in each.

What is the median household income in Isabela County?

Isabela County has a median household income of $23,299, representing a +12.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Isabela County?

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

Job types:
  • White-collar workers: 74.4% (23,881 residents)
  • Blue-collar workers: 25.6% (8,235 residents)

Places of employment:
  • Self-employed: 16.4% (5,278 residents)
  • Private companies: 62.9% (20,208 residents)
  • Governmental workers: 17.8% (5,711 residents)
  • Not-for-profit companies: 2.9% (919 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