Coolidge Corner South Side, Brookline, MA demographics:
population, income, and more

Total population
6,646
0.6% year-over-year change
Median household income
$131,963/yr
3.5% year-over-year change
Housing units
3,271
0.7% year-over-year change

Coolidge Corner South Side population

How many people live in Coolidge Corner South Side

Coolidge Corner South Side is home to 6,646 residents, according to the most recent Census data. Gender-wise, 43.7% of Coolidge Corner South Side locals are male, and 56.3% are female.

Total population
6,646
0.6% year-over-year change
Gender ratio
Male
43.7%
2,906
Female
56.3%
3,740
Value Percent YoY change
Male 2,906 43.7% 0.8%
Female 3,740 56.3% 0.5%
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 Coolidge Corner South Side is 35, with the population distributed as follows: about 13.5% are children under 15, then 16.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 34.4% of the population, while another 19.2% fall into the 45 to 64 bracket. Finally, around 16.3% are 65 or older.

Median age
34.8
Age breakdown
Under 15
13.5%
15 to 24
16.5%
25 to 44
34.4%
45 to 64
19.2%
Over 65
16.3%
Value Percent YoY change
Under 15 900 13.5% -4.8%
15 to 24 1,097 16.5% 1.7%
25 to 44 2,289 34.4% -1.2%
45 to 64 1,275 19.2% 0.1%
Over 65 1,084 16.3% 9.5%
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 Coolidge Corner South Side, 66.2% of the population are US-born citizens, while 16.9% have gained naturalized citizenship. At the same time, 16.9% of residents are non-citizens. As for race, 63.9% of locals are Caucasian, 2.6% are African American and 21.6% have Asian roots. There’s also a share of 10.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
66.2%
Non-U.S.-born citizens
16.9%
Non-citizens
16.9%
Value Percent YoY change
U.S.-born citizens 4,398 66.2% 0.5%
Non-U.S.-born citizens 1,124 16.9% 7.7%
Non-citizens 1,124 16.9% -4.9%
Racial breakdown
White
63.9%
Black or African American
2.6%
American Indian and Alaska Native
0.1%
Asian
21.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.2%
Other
1.6%
Value Percent
White 4,247 63.9%
Black or African American 170 2.6%
American Indian and Alaska Native 8 0.1%
Asian 1,438 21.6%
Two or more races 675 10.2%
Other 108 1.6%

Households in Coolidge Corner South Side

A peek inside Coolidge Corner South Side households

Coolidge Corner South Side has 3,104 households, with an average of 2 members in each. Of these, 44.9% are families, while the remaining 55.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,104
1.4% year-over-year change
Average people per household
2
Non-family households
1,711
Family households
1,393
Value Percent YoY change
Non-family households 1,711 55.1% 4.0%
Family households 1,393 44.9% -1.6%
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 Coolidge Corner South Side

The housing landscape of Coolidge Corner South Side

Coolidge Corner South Side's housing consists of 3,271 units, with 6.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.8% and offer a more compact, shared living style.

Housing units
3,271
0.7% year-over-year change
Housing types
Value Percent
1 unit, detached 214 6.5%
1 unit, attached 125 3.8%
2 units 294 9%
3 or 4 units 458 14%
5 to 9 units 693 21.2%
10 to 19 units 241 7.4%
20 to 49 units 433 13.2%
50 or more units 814 24.9%
Homes built since 2020
7
-12.5% year-over-year change

The age of buildings in Coolidge Corner South Side

In Coolidge Corner South Side, the median construction year is 1938. About 50.7% of homes were built before the 1940s, with another 5.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.6% of homes were added from 2000 to 2009, 3.4% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,657 50.7% 5.0%
Built between 1940 and 1949 170 5.2% -10.5%
Built between 1950 and 1959 199 6.1% -22.0%
Built between 1960 and 1969 420 12.8% 5.5%
Built between 1970 and 1979 368 11.2% 7.9%
Built between 1980 and 1989 187 5.7% 1.6%
Built between 1990 and 1999 35 1.1% -36.4%
Built between 2000 and 2009 118 3.6% -8.5%
Built between 2010 and 2019 110 3.4% 0.9%
Built in 2020 or later 7 0.2% -12.5%
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.

Coolidge Corner South Side occupancy rates

Out of the 3,104 occupied housing units in Coolidge Corner South Side, 37.8% are owner-occupied, while 62.2% are lived in by tenants. Meanwhile, 5.1% of all homes on the local market sit vacant.

Occupied housing units
3,104
1.4% year-over-year change
Occupancy breakdown
Renter occupied
1,931
Owner occupied
1,172
Value Percent YoY
change
Renter occupied 1,931 62.2% -0.7%
Owner occupied 1,172 37.8% 4.9%
Unoccupied housing units
5.1%
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.

Coolidge Corner South Side housing costs

Housing costs in Coolidge Corner South Side come to a median of $2,882 per month, while tenants specifically pay a median gross rent of $2,873.

Median housing costs per month
$2,882/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 Coolidge Corner South Side
$2,873/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 Coolidge Corner South Side

Coolidge Corner South Side education at a glance

About 7.3% of the population in Coolidge Corner South Side went to high school, while 8.1% pursued college studies. Another 1.4% earned an associate degree and 31.6% hold a bachelor’s. Meanwhile, 49.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 119 2.1% -11.8%
High school diploma 411 7.3% 12.6%
College diploma 460 8.1% -3.0%
Associate degree 82 1.4% 2.5%
Bachelor's degree 1,789 31.6% 0.2%
Graduate degree 2,794 49.4% 3.1%
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 Coolidge Corner South Side

How much people earn in Coolidge Corner South Side

The average annual household income in Coolidge Corner South Side was $192,865 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.8% change from the previous year. At the same time, the median income stood at $131,963, reflecting a +3.5% shift over the same period.

Average household income in Coolidge Corner South Side
$192,865/year
4.8% year-over-year change
Median household income in Coolidge Corner South Side
$131,963/year
3.5% year-over-year change

Coolidge Corner South Side income by age

In Coolidge Corner South Side, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $149,188. Those with someone between 45 and 64 in charge, often well established professionally, earn $225,063 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $95,865, while those led by someone over 65, many of whom may be retired, have about $90,887 in earnings. Overall, 90.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $95,865 4.4%
25 - 44 $149,188 6.2%
45 - 64 $225,063 -0.2%
Over 65 $90,887 4.7%
Above poverty level
5,863
Below poverty level
629
Value Percent YoY
change
Above poverty level 5,863 90.3% 3.3%
Below poverty level 629 9.7% -14.5%

Employment in Coolidge Corner South Side

Workforce and job types in Coolidge Corner South Side

98.2% of the working population are employed in professional or administrative positions, while 1.8% are in hands-on or service-based jobs. Also, 9.6% run their own businesses, 51.9% are employed by private companies, and 6.1% work in the public sector.

Workforce demographics

White collar
3,900
Blue collar
73
Value Percent YoY change
White collar 3,900 98.2% 1.0%
Blue collar 73 1.8% -4.0%
Employer type
Self employees
9.6%
Private companies
51.9%
Governmental workers
6.1%
Not for profit companies
32.4%
Value Percent YoY change
Self employees 383 9.6% 15.4%
Private companies 2,063 51.9% -4.2%
Governmental workers 241 6.1% 6.2%
Not for profit companies 1,287 32.4% 5.2%

Transportation in Coolidge Corner South Side

How people get around in Coolidge Corner South Side

Commuting methods vary: 46.8% of residents travel by personal vehicle and 35% 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 986 46.8% -0.4%
Taxicab 18 0.8% 0.0%
Bus or trolleybus 169 8% -3.4%
Railroad 2 0.1% 0.0%
Bicycle 195 9.3% -5.8%
Walk 736 35% 0.8%
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 Coolidge Corner South Side by zipcode?

Zipcode Population Number of households Median income Average income
02446 31,310 14,622 $131,963 $193,233

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FAQs about Coolidge Corner South Side demographics 

What is the total population of Coolidge Corner South Side?

Coolidge Corner South Side has a total population of 6,646 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 Coolidge Corner South Side?

The gender ratio in Coolidge Corner South Side is as follows:
  • 43.7% males (2,906 residents)
  • 56.3% females (3,740 residents)

What is the median age in Coolidge Corner South Side?

The median age in Coolidge Corner South Side is 34.8.

What is the age distribution of the population in Coolidge Corner South Side?

The age distribution in Coolidge Corner South Side is as follows:
  • Under 15: 13.5% (900 residents)
  • Ages 15-24: 16.5% (1,097 residents)
  • Ages 25-44: 34.4% (2,289 residents)
  • Ages 45-64: 19.2% (1,275 residents)
  • Over 65: 16.3% (1,084 residents)

What is the racial and ethnic makeup of Coolidge Corner South Side?

The racial and ethnic makeup of Coolidge Corner South Side is as follows:
  • White: 63.9% (4,247 residents)
  • Black or African American: 2.6% (170 residents)
  • American Indian and Alaska Native: 0.1% (8 residents)
  • Asian: 21.6% (1,438 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 10.2% (675 residents)
  • Other: 1.6% (108 residents)

What percentage of the population in Coolidge Corner South Side are U.S.-born citizens?

U.S.-born citizens represent 66.2% of the population in Coolidge Corner South Side.

How many housing units are there in Coolidge Corner South Side?

There are 3,271 housing units in Coolidge Corner South Side, reflecting a +0.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Coolidge Corner South Side and what is the average household size?

Coolidge Corner South Side has a total of 3,104 households, with an average of 2 people in each.

What is the median household income in Coolidge Corner South Side?

Coolidge Corner South Side has a median household income of $131,963, representing a +3.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Coolidge Corner South Side?

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

Job types:
  • White-collar workers: 98.2% (3,900 residents)
  • Blue-collar workers: 1.8% (73 residents)

Places of employment:
  • Self-employed: 9.6% (383 residents)
  • Private companies: 51.9% (2,063 residents)
  • Governmental workers: 6.1% (241 residents)
  • Not-for-profit companies: 32.4% (1,287 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