Research Triangle Park, Durham, NC demographics:
population, income, and more

Total population
17,092
1.0% year-over-year change
Median household income
$94,996/yr
3.3% year-over-year change
Housing units
7,704
3.9% year-over-year change

Research Triangle Park population

How many people live in Research Triangle Park

Research Triangle Park is home to 17,092 residents, according to the most recent Census data. Gender-wise, 47.7% of Research Triangle Park locals are male, and 52.3% are female.

Total population
17,092
1.0% year-over-year change
Gender ratio
Male
47.7%
8,156
Female
52.3%
8,936
Value Percent YoY change
Male 8,156 47.7% 0.4%
Female 8,936 52.3% 1.5%
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 Research Triangle Park is 36, with the population distributed as follows: about 18.2% are children under 15, then 10.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 34% of the population, while another 23.8% fall into the 45 to 64 bracket. Finally, around 13.3% are 65 or older.

Median age
36
Age breakdown
Under 15
18.2%
15 to 24
10.6%
25 to 44
34%
45 to 64
23.8%
Over 65
13.3%
Value Percent YoY change
Under 15 3,116 18.2% -1.0%
15 to 24 1,815 10.6% -4.9%
25 to 44 5,818 34% 2.2%
45 to 64 4,076 23.8% 3.0%
Over 65 2,267 13.3% 1.9%
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 Research Triangle Park, 81.8% of the population are US-born citizens, while 9.5% have gained naturalized citizenship. At the same time, 8.7% of residents are non-citizens. As for race, 35.9% of locals are Caucasian, 37.4% are African American and 5.7% have Asian roots. Another 0.7% are Indigenous American, 0.1% are Pacific Islanders, while 10.5% identify as another race. There’s also a share of 9.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
81.8%
Non-U.S.-born citizens
9.5%
Non-citizens
8.7%
Value Percent YoY change
U.S.-born citizens 13,978 81.8% -0.9%
Non-U.S.-born citizens 1,625 9.5% 13.2%
Non-citizens 1,489 8.7% 7.7%
Racial breakdown
White
35.9%
Black or African American
37.4%
American Indian and Alaska Native
0.7%
Asian
5.7%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
9.9%
Other
10.5%
Value Percent
White 6,134 35.9%
Black or African American 6,387 37.4%
American Indian and Alaska Native 116 0.7%
Asian 970 5.7%
Native Hawaiian and other Pacific Islander 13 0.1%
Two or more races 1,685 9.9%
Other 1,787 10.5%

Households in Research Triangle Park

A peek inside Research Triangle Park households

Research Triangle Park has 7,271 households, with an average of 2 members in each. Of these, 60.9% are families, while the remaining 39.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7,271
4.0% year-over-year change
Average people per household
2
Non-family households
2,845
Family households
4,425
Value Percent YoY change
Non-family households 2,845 39.1% 6.9%
Family households 4,425 60.9% 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 Research Triangle Park

The housing landscape of Research Triangle Park

Research Triangle Park's housing consists of 7,704 units, with 59.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 13.1% 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 1.7% of the housing landscape.

Housing units
7,704
3.9% year-over-year change
Housing types
Value Percent
1 unit, detached 4,572 59.4%
1 unit, attached 1,009 13.1%
2 units 129 1.7%
3 or 4 units 198 2.6%
5 to 9 units 411 5.3%
10 to 19 units 722 9.4%
20 to 49 units 343 4.4%
50 or more units 187 2.4%
Mobile home 132 1.7%
Homes built since 2020
473
83.3% year-over-year change

The age of buildings in Research Triangle Park

In Research Triangle Park, the median construction year is 2002. About 2.2% of homes were built before the 1940s, with another 2.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 24.2% of homes were added from 2000 to 2009, 25.1% between 2010 and 2019, and 6.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 172 2.2% 6.8%
Built between 1940 and 1949 165 2.1% 17.0%
Built between 1950 and 1959 192 2.5% 1.6%
Built between 1960 and 1969 357 4.6% -13.3%
Built between 1970 and 1979 433 5.6% -6.7%
Built between 1980 and 1989 955 12.4% -1.6%
Built between 1990 and 1999 1,162 15.1% 2.7%
Built between 2000 and 2009 1,862 24.2% 10.5%
Built between 2010 and 2019 1,932 25.1% -3.4%
Built in 2020 or later 473 6.1% 83.3%
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.

Research Triangle Park occupancy rates

Out of the 7,271 occupied housing units in Research Triangle Park, 63.4% are owner-occupied, while 36.6% are lived in by tenants. Meanwhile, 5.6% of all homes on the local market sit vacant.

Occupied housing units
7,271
4.0% year-over-year change
Occupancy breakdown
Renter occupied
2,661
Owner occupied
4,609
Value Percent YoY
change
Renter occupied 2,661 36.6% 2.4%
Owner occupied 4,609 63.4% 4.9%
Unoccupied housing units
5.6%
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.

Research Triangle Park housing costs

Housing costs in Research Triangle Park come to a median of $1,556 per month, while tenants specifically pay a median gross rent of $1,562.

Median housing costs per month
$1,556/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 Research Triangle Park
$1,562/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 Research Triangle Park

Research Triangle Park education at a glance

About 20.2% of the population in Research Triangle Park went to high school, while 14.7% pursued college studies. Another 7.4% earned an associate degree and 30% hold a bachelor’s. Meanwhile, 22.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 671 5% -7.3%
High school diploma 2,698 20.2% -2.7%
College diploma 1,960 14.7% -6.4%
Associate degree 988 7.4% -1.7%
Bachelor's degree 4,008 30% 11.7%
Graduate degree 3,035 22.7% 2.1%
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 Research Triangle Park

How much people earn in Research Triangle Park

The average annual household income in Research Triangle Park was $115,401 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.3% change from the previous year. At the same time, the median income stood at $94,996, reflecting a +3.3% shift over the same period.

Average household income in Research Triangle Park
$115,401/year
3.3% year-over-year change
Median household income in Research Triangle Park
$94,996/year
3.3% year-over-year change

Research Triangle Park income by age

In Research Triangle Park, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $107,934. Those with someone between 45 and 64 in charge, often well established professionally, earn $105,719 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $43,330, while those led by someone over 65, many of whom may be retired, have about $68,536 in earnings. Overall, 90.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $43,330 8.9%
25 - 44 $107,934 13.1%
45 - 64 $105,719 -0.6%
Over 65 $68,536 -4.4%
Above poverty level
15,291
Below poverty level
1,553
Value Percent YoY
change
Above poverty level 15,291 90.8% 1.0%
Below poverty level 1,553 9.2% 1.3%

Employment in Research Triangle Park

Workforce and job types in Research Triangle Park

85.7% of the working population are employed in professional or administrative positions, while 14.3% are in hands-on or service-based jobs. Also, 6.8% run their own businesses, 64.9% are employed by private companies, and 16.3% work in the public sector.

Workforce demographics

White collar
8,180
Blue collar
1,362
Value Percent YoY change
White collar 8,180 85.7% 1.8%
Blue collar 1,362 14.3% 2.5%
Employer type
Self employees
6.8%
Private companies
64.9%
Governmental workers
16.3%
Not for profit companies
11.9%
Value Percent YoY change
Self employees 654 6.8% 9.2%
Private companies 6,193 64.9% 0.3%
Governmental workers 1,559 16.3% 4.3%
Not for profit companies 1,136 11.9% 3.7%

Transportation in Research Triangle Park

How people get around in Research Triangle Park

In Research Triangle Park, the average commute time is 6 minutes. Commuting methods vary: 96.4% 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.

Commute time
6 min
50.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 6,767 96.4% -2.9%
Taxicab 34 0.5% 30.8%
Bus or trolleybus 135 1.9% 17.4%
Motorcycle 1 0% -66.7%
Bicycle 25 0.4% 150.0%
Walk 54 0.8% -10.0%
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 Research Triangle Park by zipcode?

Zipcode Population Number of households Median income Average income
27703 63,458 26,653 $89,317 $111,065
27713 59,197 25,689 $100,676 $126,771

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FAQs about Research Triangle Park demographics 

What is the total population of Research Triangle Park?

Research Triangle Park has a total population of 17,092 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 +1.0% compared to a year ago.

What is the gender ratio in Research Triangle Park?

The gender ratio in Research Triangle Park is as follows:
  • 47.7% males (8,156 residents)
  • 52.3% females (8,936 residents)

What is the median age in Research Triangle Park?

The median age in Research Triangle Park is 36.

What is the age distribution of the population in Research Triangle Park?

The age distribution in Research Triangle Park is as follows:
  • Under 15: 18.2% (3,116 residents)
  • Ages 15-24: 10.6% (1,815 residents)
  • Ages 25-44: 34% (5,818 residents)
  • Ages 45-64: 23.8% (4,076 residents)
  • Over 65: 13.3% (2,267 residents)

What is the racial and ethnic makeup of Research Triangle Park?

The racial and ethnic makeup of Research Triangle Park is as follows:
  • White: 35.9% (6,134 residents)
  • Black or African American: 37.4% (6,387 residents)
  • American Indian and Alaska Native: 0.7% (116 residents)
  • Asian: 5.7% (970 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (13 residents)
  • Two or More Races: 9.9% (1,685 residents)
  • Other: 10.5% (1,787 residents)

What percentage of the population in Research Triangle Park are U.S.-born citizens?

U.S.-born citizens represent 81.8% of the population in Research Triangle Park.

How many housing units are there in Research Triangle Park?

There are 7,704 housing units in Research Triangle Park, reflecting a +3.9% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Research Triangle Park and what is the average household size?

Research Triangle Park has a total of 7,271 households, with an average of 2 people in each.

What is the median household income in Research Triangle Park?

Research Triangle Park has a median household income of $94,996, representing a +3.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Research Triangle Park?

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

Job types:
  • White-collar workers: 85.7% (8,180 residents)
  • Blue-collar workers: 14.3% (1,362 residents)

Places of employment:
  • Self-employed: 6.8% (654 residents)
  • Private companies: 64.9% (6,193 residents)
  • Governmental workers: 16.3% (1,559 residents)
  • Not-for-profit companies: 11.9% (1,136 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