Brentwood, NH demographics:
population, income, and more

Total population
7,878
0.6% year-over-year change
Median household income
$119,393/yr
8.0% year-over-year change
Housing units
3,346
-1.0% year-over-year change

Brentwood population

How many people live in Brentwood

Brentwood is home to 7,878 residents, according to the most recent Census data. Gender-wise, 46.9% of Brentwood locals are male, and 53.1% are female.

Total population
7,878
0.6% year-over-year change
Gender ratio
Male
46.9%
3,696
Female
53.1%
4,182
Value Percent YoY change
Male 3,696 46.9% 1.1%
Female 4,182 53.1% 0.2%
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 Brentwood is 45, with the population distributed as follows: about 14.7% are children under 15, then 11.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.3% of the population, while another 27% fall into the 45 to 64 bracket. Finally, around 23.4% are 65 or older.

Median age
45.3
Age breakdown
Under 15
14.7%
15 to 24
11.5%
25 to 44
23.3%
45 to 64
27%
Over 65
23.4%
Value Percent YoY change
Under 15 1,161 14.7% -6.8%
15 to 24 909 11.5% 10.7%
25 to 44 1,837 23.3% -3.2%
45 to 64 2,124 27% -1.4%
Over 65 1,847 23.4% 7.9%
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 Brentwood, 93.1% of the population are US-born citizens, while 5.4% have gained naturalized citizenship. At the same time, 1.6% of residents are non-citizens. As for race, 91.6% of locals are Caucasian, 0.5% are African American and 3% have Asian roots. There’s also a share of 4.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.1%
Non-U.S.-born citizens
5.4%
Non-citizens
1.6%
Value Percent YoY change
U.S.-born citizens 7,334 93.1% 0.4%
Non-U.S.-born citizens 422 5.4% 3.2%
Non-citizens 122 1.6% 3.4%
Racial breakdown
White
91.6%
Black or African American
0.5%
American Indian and Alaska Native
0%
Asian
3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.4%
Other
0.5%
Value Percent
White 7,218 91.6%
Black or African American 40 0.5%
American Indian and Alaska Native 3 0%
Asian 236 3%
Two or more races 343 4.4%
Other 39 0.5%

Households in Brentwood

A peek inside Brentwood households

Brentwood has 3,146 households, with an average of 2 members in each. Of these, 63.8% are families, while the remaining 36.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,146
0.7% year-over-year change
Average people per household
2
Non-family households
1,138
Family households
2,007
Value Percent YoY change
Non-family households 1,138 36.2% 1.2%
Family households 2,007 63.8% 0.2%
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 Brentwood

The housing landscape of Brentwood

Brentwood's housing consists of 3,346 units, with 53.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6% 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 9.4% of the housing landscape.

Housing units
3,346
-1.0% year-over-year change
Housing types
Value Percent
1 unit, detached 1,779 53.2%
1 unit, attached 201 6%
2 units 186 5.6%
3 or 4 units 202 6%
5 to 9 units 119 3.6%
10 to 19 units 84 2.5%
20 to 49 units 298 8.9%
50 or more units 163 4.9%
Mobile home 315 9.4%
Homes built since 2020
42
35.5% year-over-year change

The age of buildings in Brentwood

In Brentwood, the median construction year is 1983. About 21.1% 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. Then, 15.2% of homes were added from 2000 to 2009, 10% between 2010 and 2019, and 1.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 707 21.1% 5.2%
Built between 1940 and 1949 81 2.4% 1.2%
Built between 1950 and 1959 118 3.5% -35.2%
Built between 1960 and 1969 220 6.6% -15.4%
Built between 1970 and 1979 419 12.5% 3.0%
Built between 1980 and 1989 493 14.7% -10.2%
Built between 1990 and 1999 421 12.6% 19.3%
Built between 2000 and 2009 510 15.2% 6.2%
Built between 2010 and 2019 336 10% -8.2%
Built in 2020 or later 42 1.2% 35.5%
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.

Brentwood occupancy rates

Out of the 3,146 occupied housing units in Brentwood, 75.4% are owner-occupied, while 24.6% are lived in by tenants. Meanwhile, 6% of all homes on the local market sit vacant.

Occupied housing units
3,146
0.7% year-over-year change
Occupancy breakdown
Renter occupied
774
Owner occupied
2,372
Value Percent YoY
change
Renter occupied 774 24.6% -6.3%
Owner occupied 2,372 75.4% 3.1%
Unoccupied housing units
6.0%
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.

Brentwood housing costs

Housing costs in Brentwood come to a median of $2,060 per month, while tenants specifically pay a median gross rent of $1,871.

Median housing costs per month
$2,060/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 Brentwood
$1,871/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 Brentwood

Brentwood education at a glance

About 22.2% of the population in Brentwood went to high school, while 16.6% pursued college studies. Another 8% earned an associate degree and 31.8% hold a bachelor’s. Meanwhile, 21.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 26 0.4% -10.3%
High school diploma 1,435 22.2% -3.5%
College diploma 1,074 16.6% 2.9%
Associate degree 515 8% 4.5%
Bachelor's degree 2,055 31.8% 3.9%
Graduate degree 1,362 21.1% 3.3%
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 Brentwood

How much people earn in Brentwood

The average annual household income in Brentwood was $160,195 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.9% change from the previous year. At the same time, the median income stood at $119,393, reflecting a +8% shift over the same period.

Average household income in Brentwood
$160,195/year
4.9% year-over-year change
Median household income in Brentwood
$119,393/year
8.0% year-over-year change

Brentwood income by age

In Brentwood, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $160,909. Those with someone between 45 and 64 in charge, often well established professionally, earn $154,167 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $49,899, while those led by someone over 65, many of whom may be retired, have about $70,322 in earnings. Overall, 95.9% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $49,899 -33.6%
25 - 44 $160,909 10.7%
45 - 64 $154,167 8.7%
Over 65 $70,322 0.0%
Above poverty level
7,349
Below poverty level
317
Value Percent YoY
change
Above poverty level 7,349 95.9% 1.8%
Below poverty level 317 4.1% -21.3%

Employment in Brentwood

Workforce and job types in Brentwood

86.4% of the working population are employed in professional or administrative positions, while 13.6% are in hands-on or service-based jobs. Also, 9.8% run their own businesses, 63.9% are employed by private companies, and 11.1% work in the public sector.

Workforce demographics

White collar
3,615
Blue collar
569
Value Percent YoY change
White collar 3,615 86.4% -0.7%
Blue collar 569 13.6% -6.9%
Employer type
Self employees
9.8%
Private companies
63.9%
Governmental workers
11.1%
Not for profit companies
15.2%
Value Percent YoY change
Self employees 411 9.8% 0.0%
Private companies 2,674 63.9% -0.2%
Governmental workers 465 11.1% -6.6%
Not for profit companies 634 15.2% -4.1%

Transportation in Brentwood

How people get around in Brentwood

Commuting methods vary: 96.9% of residents travel by personal vehicle and 1.9% 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 3,143 96.9% -2.3%
Bus or trolleybus 1 0% -88.9%
Railroad 11 0.3% 1,000.0%
Motorcycle 1 0% 0.0%
Bicycle 28 0.9% -3.5%
Walk 61 1.9% -16.4%
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 Brentwood by zipcode?

Zipcode Population Number of households Median income Average income
03833 22,817 9,111 $119,393 $160,254

Explore more communities

FAQs about Brentwood demographics 

What is the total population of Brentwood?

Brentwood has a total population of 7,878 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 +0.6% compared to a year ago.

What is the gender ratio in Brentwood?

The gender ratio in Brentwood is as follows:
  • 46.9% males (3,696 residents)
  • 53.1% females (4,182 residents)

What is the median age in Brentwood?

The median age in Brentwood is 45.3.

What is the age distribution of the population in Brentwood?

The age distribution in Brentwood is as follows:
  • Under 15: 14.7% (1,161 residents)
  • Ages 15-24: 11.5% (909 residents)
  • Ages 25-44: 23.3% (1,837 residents)
  • Ages 45-64: 27% (2,124 residents)
  • Over 65: 23.4% (1,847 residents)

What is the racial and ethnic makeup of Brentwood?

The racial and ethnic makeup of Brentwood is as follows:
  • White: 91.6% (7,218 residents)
  • Black or African American: 0.5% (40 residents)
  • American Indian and Alaska Native: 0% (3 residents)
  • Asian: 3% (236 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4.4% (343 residents)
  • Other: 0.5% (39 residents)

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

U.S.-born citizens represent 93.1% of the population in Brentwood.

How many housing units are there in Brentwood?

There are 3,346 housing units in Brentwood, reflecting a -1.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Brentwood has a total of 3,146 households, with an average of 2 people in each.

What is the median household income in Brentwood?

Brentwood has a median household income of $119,393, representing a +8.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Brentwood?

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

Job types:
  • White-collar workers: 86.4% (3,615 residents)
  • Blue-collar workers: 13.6% (569 residents)

Places of employment:
  • Self-employed: 9.8% (411 residents)
  • Private companies: 63.9% (2,674 residents)
  • Governmental workers: 11.1% (465 residents)
  • Not-for-profit companies: 15.2% (634 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