Stock Island, FL demographics:
population, income, and more

Total population
4,162
-11.9% year-over-year change
Median household income
$65,515/yr
-2.2% year-over-year change
Housing units
2,049
4.2% year-over-year change

Stock Island population

How many people live in Stock Island

Stock Island is home to 4,162 residents, according to the most recent Census data. Gender-wise, 45.3% of Stock Island locals are male, and 54.7% are female.

Total population
4,162
-11.9% year-over-year change
Gender ratio
Male
45.3%
1,885
Female
54.7%
2,277
Value Percent YoY change
Male 1,885 45.3% -16.0%
Female 2,277 54.7% -8.2%
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 Stock Island is 34, with the population distributed as follows: about 20.2% are children under 15, then 9.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 41.6% of the population, while another 18.6% fall into the 45 to 64 bracket. Finally, around 9.8% are 65 or older.

Median age
34.5
Age breakdown
Under 15
20.2%
15 to 24
9.7%
25 to 44
41.6%
45 to 64
18.6%
Over 65
9.8%
Value Percent YoY change
Under 15 843 20.2% -18.7%
15 to 24 405 9.7% -12.2%
25 to 44 1,733 41.6% -4.5%
45 to 64 773 18.6% -13.9%
Over 65 408 9.8% -20.6%
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.

Racial makeup

In Stock Island, 60.3% of the population are US-born citizens, while 27.9% have gained naturalized citizenship. At the same time, 11.8% of residents are non-citizens. There’s also a share of 28% that includes residents with two or more races.

Citizenship
U.S.-born citizens
60.3%
Non-U.S.-born citizens
27.9%
Non-citizens
11.8%
Value Percent YoY change
U.S.-born citizens 2,510 60.3% -16.1%
Non-U.S.-born citizens 1,162 27.9% -2.3%
Non-citizens 490 11.8% -9.6%
Racial breakdown
White
27.4%
Black or African American
35.6%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
28%
Other
9%
Value Percent
White 1,140 27.4%
Black or African American 1,481 35.6%
Two or more races 1,167 28%
Other 374 9%

Households in Stock Island

A peek inside Stock Island households

Stock Island has 1,624 households, with an average of 3 members in each. Of these, 59.8% are families, while the remaining 40.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,624
-7.8% year-over-year change
Average people per household
3
Non-family households
652
Family households
972
Value Percent YoY change
Non-family households 652 40.2% 9.8%
Family households 972 59.8% -16.7%
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 Stock Island

The housing landscape of Stock Island

Stock Island's housing consists of 2,049 units, with 24.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.7% 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 18.6% of the housing landscape.

Housing units
2,049
4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 511 24.9%
1 unit, attached 138 6.7%
2 units 176 8.6%
3 or 4 units 168 8.2%
5 to 9 units 50 2.4%
10 to 19 units 195 9.5%
20 to 49 units 267 13%
50 or more units 163 8%
Mobile home 381 18.6%
Homes built since 2020
84
75.0% year-over-year change

The age of buildings in Stock Island

In Stock Island, the median construction year is 1980. Most development happened in the second half of the 20th century. Then, 10.8% of homes were added from 2000 to 2009, 16.4% between 2010 and 2019, and 4.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built between 1950 and 1959 56 2.7% -12.5%
Built between 1960 and 1969 230 11.2% 16.2%
Built between 1970 and 1979 750 36.6% 22.8%
Built between 1980 and 1989 88 4.3% -54.6%
Built between 1990 and 1999 283 13.8% -16.0%
Built between 2000 and 2009 221 10.8% -14.3%
Built between 2010 and 2019 337 16.4% 42.2%
Built in 2020 or later 84 4.1% 75.0%
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.

Stock Island occupancy rates

Out of the 1,624 occupied housing units in Stock Island, 27.6% are owner-occupied, while 72.4% are lived in by tenants. Meanwhile, 20.7% of all homes on the local market sit vacant.

Occupied housing units
1,624
-7.8% year-over-year change
Occupancy breakdown
Renter occupied
1,176
Owner occupied
448
Value Percent YoY
change
Renter occupied 1,176 72.4% -7.3%
Owner occupied 448 27.6% -9.1%
Unoccupied housing units
20.7%
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.

Stock Island housing costs

Housing costs in Stock Island come to a median of $2,002 per month, while tenants specifically pay a median gross rent of $2,013.

Median housing costs per month
$2,002/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 Stock Island
$2,013/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 Stock Island

Stock Island education at a glance

About 52.9% of the population in Stock Island went to high school, while 13.3% pursued college studies. Another 6.2% earned an associate degree and 16.8% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 158 4.8% -15.1%
High school diploma 1,730 52.9% -3.3%
College diploma 434 13.3% -13.4%
Associate degree 202 6.2% -31.1%
Bachelor's degree 551 16.8% -0.5%
Graduate degree 198 6% -29.5%
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 Stock Island

How much people earn in Stock Island

The average annual household income in Stock Island was $77,222 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.9% change from the previous year. At the same time, the median income stood at $65,515, reflecting a -2.2% shift over the same period.

Average household income in Stock Island
$77,222/year
-3.9% year-over-year change
Median household income in Stock Island
$65,515/year
-2.2% year-over-year change

Stock Island income by age

In Stock Island, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $55,563. Those with someone between 45 and 64 in charge, often well established professionally, earn $70,478 overall. Overall, 88.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $55,563 -18.3%
45 - 64 $70,478 3.1%
Over 65 $59,226 32.8%
Above poverty level
3,667
Below poverty level
477
Value Percent YoY
change
Above poverty level 3,667 88.5% -8.8%
Below poverty level 477 11.5% -32.0%

Average renter income in Stock Island

To get a better sense of what renters earn on average in Stock Island, their median household income was $48,056 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 50.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$48,056
Rent-to-income ratio
50.3%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Stock Island

Workforce and job types in Stock Island

The job market in Stock Island is powered by 2,502 working residents, spread across a range of industries and roles. 66% of the working population are employed in professional or administrative positions, while 34% are in hands-on or service-based jobs. Also, 9.2% run their own businesses, 67.8% are employed by private companies, and 18.9% work in the public sector.

Workforce demographics

Working population
2,502
-10.7% year-over-year change
White collar
1,651
Blue collar
851
Value Percent YoY change
White collar 1,651 66% -13.9%
Blue collar 851 34% -3.8%
Employer type
Self employees
9.2%
Private companies
67.8%
Governmental workers
18.9%
Not for profit companies
4%
Value Percent YoY change
Self employees 231 9.2% -8.0%
Private companies 1,697 67.8% -15.2%
Governmental workers 473 18.9% 15.7%
Not for profit companies 101 4% -28.4%
Unemployment rate
1.8%
2.2% year-over-year change

Available workforce

The unemployment rate in Stock Island stands at 1.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Stock Island

How people get around in Stock Island

Commuting methods vary: 81.3% of residents travel by personal vehicle and 3.8% 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 1,991 81.3% -9.1%
Motorcycle 20 0.8% -83.5%
Bicycle 143 5.8% -16.9%
Walk 92 3.8% -10.7%
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.

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FAQs about Stock Island demographics 

What is the total population of Stock Island?

Stock Island has a total population of 4,162 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 -11.9% compared to a year ago.

What is the gender ratio in Stock Island?

The gender ratio in Stock Island is as follows:
  • 45.3% males (1,885 residents)
  • 54.7% females (2,277 residents)

What is the median age in Stock Island?

The median age in Stock Island is 34.5.

What is the age distribution of the population in Stock Island?

The age distribution in Stock Island is as follows:
  • Under 15: 20.2% (843 residents)
  • Ages 15-24: 9.7% (405 residents)
  • Ages 25-44: 41.6% (1,733 residents)
  • Ages 45-64: 18.6% (773 residents)
  • Over 65: 9.8% (408 residents)

What is the racial and ethnic makeup of Stock Island?

The racial and ethnic makeup of Stock Island is as follows:
  • White: 27.4% (1,140 residents)
  • Black or African American: 35.6% (1,481 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 28% (1,167 residents)
  • Other: 9% (374 residents)

What percentage of the population in Stock Island are U.S.-born citizens?

U.S.-born citizens represent 60.3% of the population in Stock Island.

How many housing units are there in Stock Island?

There are 2,049 housing units in Stock Island, 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 Stock Island and what is the average household size?

Stock Island has a total of 1,624 households, with an average of 3 people in each.

What is the median household income in Stock Island?

Stock Island has a median household income of $65,515, representing a -2.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Stock Island?

The employment rate is 98.2% in Stock Island, with a workforce of 2,502 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 66% (1,651 residents)
  • Blue-collar workers: 34% (851 residents)

Places of employment:
  • Self-employed: 9.2% (231 residents)
  • Private companies: 67.8% (1,697 residents)
  • Governmental workers: 18.9% (473 residents)
  • Not-for-profit companies: 4% (101 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