Town · New Hampshire
Brookline, New Hampshire
Brookline, town, in Hillsborough County, New Hampshire. Brookline had 5,858 residents on July 1, 2025 by the Census Bureau's estimate, up 3.8% since 2020; the 2020 Census counted 5,639 and the ACS 2020-2024 5-year estimates put it at 5,736 (±21). GEOID 3301108100.
Residents, July 2025 estimate
5,858
Census Bureau estimate (no margin published)
2020 Census count: 5,639 · ACS 2020-2024: 5,736 ±21
Median household income
$171,046
±$4,111 (90% margin)
New Hampshire: $99,031
Median home value
$544,400
±$38,413 (90% margin)
New Hampshire: $402,500
Median gross rent
$2,500
±$1,061 (90% margin)
New Hampshire: $1,491
Where is Brookline and what county is it in?
Brookline is a town in Hillsborough County, New Hampshire. It covers 19.8 square miles of land, 284 residents per square mile in 2020.
Brookline is in the Manchester-Nashua, NH metropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Brookline, and is it growing?
The Census Bureau estimates that 5,858 people lived in Brookline on July 1, 2025, up 3.8% since 2020, faster than New Hampshire (+2.7%). The 2020 Census counted 5,639 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 5,736 (±21).
| Measure | Brookline | Hillsborough County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 5,736±21 | 426,378 | +388 |
| Households | 1,831±104 | 168,740 | no clear change |
| Average household size | 3.13±0.18 | 2.48 | no clear change |
| Housing units | 1,880±106 | 177,734 | no clear change |
Brookline's population since 2000
From 4,181 in 2000 to 5,858 in 2025: up 40.1%. The 2000, 2010 and 2020 figures are census counts, each for Brookline as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Brookline?
The median resident of Brookline is 41.2 years old; 26.7% are under 18 and 11.4% are 65 or older. The largest group is non-Hispanic white residents at 90.0%, then non-Hispanic residents of two or more races at 2.9%. 4.6% of residents were born outside the United States.
| Measure | Brookline | Hillsborough County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.2±1.5 | 41.0 | no clear change |
| Under 18 years | 26.7%±2.7 pts | 19.6% | – |
| 65 years and over | 11.4%±1.9 pts | 17.3% | – |
| Male | 48.3%±3.3 pts | 50.2% | – |
| Hispanic or Latino (any race) | 2.5%±2.0 pts | 8.5% | – |
| White alone, not Hispanic | 90.0%±3.6 pts | 80.1% | no clear change |
| Black or African American alone, not Hispanic | 0.4%±0.5 pts | 2.2% | – |
| Asian alone, not Hispanic | 2.5%±1.8 pts | 4.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.6 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.6 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.9%±2.2 pts | 4.3% | – |
| Some other race alone, not Hispanic | 1.6%±1.7 pts | 0.5% | – |
| Born outside the United States | 4.6%±1.6 pts | 10.3% | no clear change |
| Speak a language other than English at home (age 5+) | 4.8%±2.2 pts | 13.9% | – |
| Civilian veterans (age 18+) | 8.4%±2.5 pts | 6.9% | – |
| With a disability | 6.0%±1.8 pts | 11.8% | – |
| No health insurance coverage | 2.0%±1.1 pts | 5.5% | – |
| High school graduate or higher (age 25+) | 97.7%±1.3 pts | 93.4% | – |
| Bachelor's degree or higher (age 25+) | 57.7%±6.2 pts | 41.5% | no clear change |
| Graduate or professional degree (age 25+) | 21.4%±4.6 pts | 16.1% | – |
| Lived in the same house a year earlier | 94.4%±2.5 pts | 88.9% | – |
| Moved from another state in the past year | 2.9%±1.9 pts | 3.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Brookline earn?
Half of Brookline's 1,831 households earn less than $171,046 a year (±$4,111), against $103,545 in Hillsborough County and $99,031 in New Hampshire. In 2015-2019 it was $174,605 in 2024 dollars; the margins of error cannot tell the two periods apart.
| Measure | Brookline | Hillsborough County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $171,046±$4,111 | $103,545 | no clear change |
| Mean household income | $204,597±$21,065 | $132,601 | – |
| Per capita income | $66,505±$7,107 | $54,111 | no clear change |
| People below the poverty line | 0.6%±0.7 pts | 6.7% | – |
| Children under 18 below the poverty line | 0.5%±0.8 pts | 8.5% | – |
| Households receiving SNAP | 1.3%±1.6 pts | 6.6% | – |
| Households with a computer | 98.4%±1.6 pts | 96.4% | – |
| Households with a broadband subscription | 98.2%±1.7 pts | 93.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Brookline?
Owners occupy 95.1% of Brookline's occupied homes and renters 4.9%. The median owner-occupied home is valued at $544,400 by its owner (±$38,413). The median renter pays $2,500 a month including utilities.
| Measure | Brookline | Hillsborough County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $544,400±$38,413 | $421,100 | +$139,379 |
| Median gross rent | $2,500±$1,061 | $1,623 | no clear change |
| Renters paying 35% or more of income on rent | 23.8%±27.0 pts | 37.7% | – |
| Median monthly owner costs, with a mortgage | $2,978±$200 | $2,452 | – |
| Owner-occupied homes | 95.1%±2.8 pts | 67.4% | no clear change |
| Renter-occupied homes | 4.9%±2.8 pts | 32.6% | – |
| Housing units | 1,880±106 | 177,734 | no clear change |
| Homeowner vacancy rate | 0.0%±2.0 pts | 0.2% | – |
| Rental vacancy rate | 0.0%±31.4 pts | 3.5% | – |
| Single-family detached homes | 92.3%±3.3 pts | 56.6% | – |
| Mobile homes | 1.6%±1.5 pts | 1.9% | – |
| Built 2020 or later | 3.8%±2.2 pts | 1.1% | – |
| Built 2010 to 2019 | 5.7%±2.4 pts | 5.6% | – |
| Built 1939 or earlier | 11.8%±4.2 pts | 18.3% | – |
| Households with no vehicle | 2.0%±2.1 pts | 5.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Brookline building?
Builders took permits for 9 new housing units in Brookline in 2025 (9 in single-family houses), 1.5 per 1,000 residents against 3.6 across New Hampshire.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Brookline work and get to work?
69.1% of Brookline's workers drive alone and 24.7% work from home. The average trip to work takes 33.3 minutes.
| Measure | Brookline | Hillsborough County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 76.8%±3.1 pts | 70.4% | – |
| Unemployment rate | 0.9%±1.1 pts | 3.1% | – |
| Drove alone to work | 69.1%±5.7 pts | 70.7% | – |
| Carpooled | 4.8%±2.6 pts | 7.3% | – |
| Public transportation | 0.2%±0.3 pts | 0.6% | – |
| Walked | 0.2%±0.3 pts | 1.8% | – |
| Worked from home | 24.7%±5.5 pts | 18.1% | +13.7 pts |
| Mean travel time to work | 33.3 min±3.0 | 27.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Brookline?
2 census tracts lie mostly in Brookline (2020 census blocks). Their median household incomes run from $170,471 (Tract 180.02) to $175,758 (Tract 180.01).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 180.02Hillsborough County | 3,169 | $170,471 |
| Tract 180.01Hillsborough County | 2,567 | $175,758 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Brookline) · Census block assignment files
How does Brookline compare with other places in New Hampshire?
By the Census Bureau's July 2025 estimates, Brookline is the 2,030th-most populous of the 16,079 U.S. towns and townships that have one and the 51st-most populous of 221 in New Hampshire.
Brookline ranks 5th of 235 places in New Hampshire with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 51st | 221 |
| Growth 2020-2025 (PEP) | 52nd | 187 |
| Residents per square mile | 103rd | 241 |
| Median household income | 5th | 235 |
| Per capita income | 27th | 240 |
| Median home value | 28th | 239 |
| Median gross rent | 6th | 221 |
| Bachelor's degree or higher | 26th | 239 |
| Median age | 188th | 239 |
| Owner-occupied share | 18th | 241 |
| Work from home | 25th | 214 |
| Travel time to work | 44th | 241 |
Brookline's figures with every place in New Hampshire (CSV)
Every place in New Hampshire, sortable · Compare Brookline with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Brookline?
18 of the 57 figures for Brookline on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Brookline are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.