Interbay, Tampa, FL demographics:
population, income, and more

Total population
2,870
3.9% year-over-year change
Median household income
$99,049/yr
-1.3% year-over-year change
Housing units
1,502
3.5% year-over-year change

Interbay population

How many people live in Interbay

Interbay is home to 2,870 residents, according to the most recent Census data. Gender-wise, 49% of Interbay locals are male, and 51% are female.

Total population
2,870
3.9% year-over-year change
Gender ratio
Male
49%
1,406
Female
51%
1,464
Value Percent YoY change
Male 1,406 49% 2.0%
Female 1,464 51% 5.8%
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 Interbay is 31, with the population distributed as follows: about 14.4% are children under 15, then 8.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 32.9% of the population, while another 26% fall into the 45 to 64 bracket. Finally, around 18% are 65 or older.

Median age
31
Age breakdown
Under 15
14.4%
15 to 24
8.7%
25 to 44
32.9%
45 to 64
26%
Over 65
18%
Value Percent YoY change
Under 15 413 14.4% -1.4%
15 to 24 250 8.7% 2.5%
25 to 44 943 32.9% 0.1%
45 to 64 746 26% 5.7%
Over 65 517 18% 14.6%
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 Interbay, 83.9% of the population are US-born citizens, while 12.2% have gained naturalized citizenship. At the same time, 3.9% of residents are non-citizens. As for race, 71.5% of locals are Caucasian, 6.8% are African American and 4.9% have Asian roots. There’s also a share of 14.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
83.9%
Non-U.S.-born citizens
12.2%
Non-citizens
3.9%
Value Percent YoY change
U.S.-born citizens 2,407 83.9% 1.4%
Non-U.S.-born citizens 351 12.2% 14.7%
Non-citizens 111 3.9% 35.4%
Racial breakdown
White
71.5%
Black or African American
6.8%
American Indian and Alaska Native
0.1%
Asian
4.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
14.1%
Other
2.5%
Value Percent
White 2,052 71.5%
Black or African American 196 6.8%
American Indian and Alaska Native 2 0.1%
Asian 141 4.9%
Two or more races 405 14.1%
Other 73 2.5%

Households in Interbay

A peek inside Interbay households

Interbay has 1,402 households, with an average of 2 members in each. Of these, 46.4% are families, while the remaining 53.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,402
4.6% year-over-year change
Average people per household
2
Non-family households
752
Family households
650
Value Percent YoY change
Non-family households 752 53.6% 5.8%
Family households 650 46.4% 3.5%
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 Interbay

The housing landscape of Interbay

Interbay's housing consists of 1,502 units, with 46.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.7% 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 3.5% of the housing landscape.

Housing units
1,502
3.5% year-over-year change
Housing types
Value Percent
1 unit, detached 701 46.7%
1 unit, attached 131 8.7%
2 units 17 1.1%
3 or 4 units 76 5.1%
5 to 9 units 108 7.2%
10 to 19 units 122 8.1%
20 to 49 units 105 7%
50 or more units 189 12.6%
Mobile home 52 3.5%
Boat, RV, van, etc. 1 0.1%
Homes built since 2020
46
318.2% year-over-year change

The age of buildings in Interbay

In Interbay, the median construction year is 1994. About 1.9% of homes were built before the 1940s, with another 1.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 13% of homes were added from 2000 to 2009, 20.3% between 2010 and 2019, and 3.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 29 1.9% -9.4%
Built between 1940 and 1949 22 1.5% 46.7%
Built between 1950 and 1959 255 17% 2.0%
Built between 1960 and 1969 117 7.8% -5.7%
Built between 1970 and 1979 158 10.5% -13.7%
Built between 1980 and 1989 270 18% -4.9%
Built between 1990 and 1999 105 7% -9.5%
Built between 2000 and 2009 195 13% 15.4%
Built between 2010 and 2019 305 20.3% 13.8%
Built in 2020 or later 46 3.1% 318.2%
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.

Interbay occupancy rates

Out of the 1,402 occupied housing units in Interbay, 53.6% are owner-occupied, while 46.4% are lived in by tenants. Meanwhile, 6.7% of all homes on the local market sit vacant.

Occupied housing units
1,402
4.6% year-over-year change
Occupancy breakdown
Renter occupied
651
Owner occupied
751
Value Percent YoY
change
Renter occupied 651 46.4% 5.5%
Owner occupied 751 53.6% 3.9%
Unoccupied housing units
6.7%
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.

Interbay housing costs

Housing costs in Interbay come to a median of $2,252 per month, while tenants specifically pay a median gross rent of $2,240.

Median housing costs per month
$2,252/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 Interbay
$2,240/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 Interbay

Interbay education at a glance

About 19.7% of the population in Interbay went to high school, while 13.2% pursued college studies. Another 10% earned an associate degree and 32.7% hold a bachelor’s. Meanwhile, 22.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 45 1.9% -13.5%
High school diploma 466 19.7% 6.9%
College diploma 311 13.2% -4.6%
Associate degree 236 10% 16.8%
Bachelor's degree 773 32.7% 8.0%
Graduate degree 532 22.5% 3.9%
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 Interbay

How much people earn in Interbay

The average annual household income in Interbay was $145,388 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +10% change from the previous year. At the same time, the median income stood at $99,049, reflecting a -1.3% shift over the same period.

Average household income in Interbay
$145,388/year
10.0% year-over-year change
Median household income in Interbay
$99,049/year
-1.3% year-over-year change

Interbay income by age

In Interbay, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $96,400. Those with someone between 45 and 64 in charge, often well established professionally, earn $148,346 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $78,922, while those led by someone over 65, many of whom may be retired, have about $55,042 in earnings. Overall, 92.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $78,922 12.4%
25 - 44 $96,400 0.4%
45 - 64 $148,346 6.0%
Over 65 $55,042 8.7%
Above poverty level
2,613
Below poverty level
199
Value Percent YoY
change
Above poverty level 2,613 92.9% 4.2%
Below poverty level 199 7.1% -1.0%

Employment in Interbay

Workforce and job types in Interbay

91.3% of the working population are employed in professional or administrative positions, while 8.7% are in hands-on or service-based jobs. Also, 13.6% run their own businesses, 67.3% are employed by private companies, and 10.8% work in the public sector.

Workforce demographics

White collar
1,456
Blue collar
139
Value Percent YoY change
White collar 1,456 91.3% 5.2%
Blue collar 139 8.7% 15.8%
Employer type
Self employees
13.6%
Private companies
67.3%
Governmental workers
10.8%
Not for profit companies
8.2%
Value Percent YoY change
Self employees 217 13.6% 11.3%
Private companies 1,073 67.3% 4.7%
Governmental workers 173 10.8% 14.6%
Not for profit companies 131 8.2% -2.2%

Transportation in Interbay

How people get around in Interbay

Commuting methods vary: 96.3% of residents travel by personal vehicle and 0.8% 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 1,191 96.3% 1.3%
Taxicab 10 0.8% N/A
Bus or trolleybus 5 0.4% 25.0%
Motorcycle 1 0.1% 0.0%
Bicycle 20 1.6% 11.1%
Walk 10 0.8% -23.1%
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 Interbay by zipcode?

Zipcode Population Number of households Median income Average income
33621 2,393 497 $107,188 $136,998
33611 36,810 18,047 $90,910 $146,555

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FAQs about Interbay demographics 

What is the total population of Interbay?

Interbay has a total population of 2,870 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 +3.9% compared to a year ago.

What is the gender ratio in Interbay?

The gender ratio in Interbay is as follows:
  • 49% males (1,406 residents)
  • 51% females (1,464 residents)

What is the median age in Interbay?

The median age in Interbay is 31.

What is the age distribution of the population in Interbay?

The age distribution in Interbay is as follows:
  • Under 15: 14.4% (413 residents)
  • Ages 15-24: 8.7% (250 residents)
  • Ages 25-44: 32.9% (943 residents)
  • Ages 45-64: 26% (746 residents)
  • Over 65: 18% (517 residents)

What is the racial and ethnic makeup of Interbay?

The racial and ethnic makeup of Interbay is as follows:
  • White: 71.5% (2,052 residents)
  • Black or African American: 6.8% (196 residents)
  • American Indian and Alaska Native: 0.1% (2 residents)
  • Asian: 4.9% (141 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 14.1% (405 residents)
  • Other: 2.5% (73 residents)

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

U.S.-born citizens represent 83.9% of the population in Interbay.

How many housing units are there in Interbay?

There are 1,502 housing units in Interbay, reflecting a +3.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Interbay has a total of 1,402 households, with an average of 2 people in each.

What is the median household income in Interbay?

Interbay has a median household income of $99,049, representing a -1.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Interbay?

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

Job types:
  • White-collar workers: 91.3% (1,456 residents)
  • Blue-collar workers: 8.7% (139 residents)

Places of employment:
  • Self-employed: 13.6% (217 residents)
  • Private companies: 67.3% (1,073 residents)
  • Governmental workers: 10.8% (173 residents)
  • Not-for-profit companies: 8.2% (131 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