Ball Square, Somerville, MA demographics:
population, income, and more

Total population
4,214
1.7% year-over-year change
Median household income
$150,313/yr
6.9% year-over-year change
Housing units
1,993
1.3% year-over-year change

Ball Square population

How many people live in Ball Square

Ball Square is home to 4,214 residents, according to the most recent Census data. Gender-wise, 48.5% of Ball Square locals are male, and 51.5% are female.

Total population
4,214
1.7% year-over-year change
Gender ratio
Male
48.5%
2,043
Female
51.5%
2,172
Value Percent YoY change
Male 2,043 48.5% 1.8%
Female 2,172 51.5% 1.7%
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 Ball Square is 32, with the population distributed as follows: about 8.4% are children under 15, then 15% are in the 15 to 24 age group. Adults between 25 and 44 make up 50.5% of the population, while another 16.3% fall into the 45 to 64 bracket. Finally, around 9.8% are 65 or older.

Median age
31.8
Age breakdown
Under 15
8.4%
15 to 24
15%
25 to 44
50.5%
45 to 64
16.3%
Over 65
9.8%
Value Percent YoY change
Under 15 356 8.4% -19.1%
15 to 24 631 15% 10.9%
25 to 44 2,127 50.5% 2.9%
45 to 64 687 16.3% 4.1%
Over 65 413 9.8% 1.7%
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 Ball Square, 82.2% of the population are US-born citizens, while 9.7% have gained naturalized citizenship. At the same time, 8% of residents are non-citizens. As for race, 76% of locals are Caucasian, 2.5% are African American and 10.8% have Asian roots. There’s also a share of 9.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
82.2%
Non-U.S.-born citizens
9.7%
Non-citizens
8%
Value Percent YoY change
U.S.-born citizens 3,466 82.2% 2.9%
Non-U.S.-born citizens 409 9.7% 1.7%
Non-citizens 339 8% -8.4%
Racial breakdown
White
76%
Black or African American
2.5%
American Indian and Alaska Native
0.4%
Asian
10.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.7%
Other
0.6%
Value Percent
White 3,201 76%
Black or African American 107 2.5%
American Indian and Alaska Native 15 0.4%
Asian 455 10.8%
Native Hawaiian and other Pacific Islander 2 0%
Two or more races 409 9.7%
Other 25 0.6%

Households in Ball Square

A peek inside Ball Square households

Ball Square has 1,881 households, with an average of 2 members in each. Of these, 35.5% are families, while the remaining 64.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,881
1.2% year-over-year change
Average people per household
2
Non-family households
1,213
Family households
667
Value Percent YoY change
Non-family households 1,213 64.5% 2.4%
Family households 667 35.5% -0.7%
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 Ball Square

The housing landscape of Ball Square

Ball Square's housing consists of 1,993 units, with 9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.1% and offer a more compact, shared living style.

Housing units
1,993
1.3% year-over-year change
Housing types
Value Percent
1 unit, detached 180 9%
1 unit, attached 62 3.1%
2 units 826 41.4%
3 or 4 units 497 24.9%
5 to 9 units 97 4.9%
10 to 19 units 74 3.7%
20 to 49 units 118 5.9%
50 or more units 139 7%
Homes built since 2020
12
100.0% year-over-year change

The age of buildings in Ball Square

In Ball Square, the median construction year is 1938. About 63.9% of homes were built before the 1940s, with another 6.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.9% of homes were added from 2000 to 2009, 6.2% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,274 63.9% 1.1%
Built between 1940 and 1949 121 6.1% -5.5%
Built between 1950 and 1959 109 5.5% 2.8%
Built between 1960 and 1969 111 5.6% 6.7%
Built between 1970 and 1979 84 4.2% -8.7%
Built between 1980 and 1989 67 3.4% 11.7%
Built between 1990 and 1999 55 2.8% -8.3%
Built between 2000 and 2009 37 1.9% 12.1%
Built between 2010 and 2019 124 6.2% 3.3%
Built in 2020 or later 12 0.6% 100.0%
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.

Ball Square occupancy rates

Out of the 1,881 occupied housing units in Ball Square, 36.6% are owner-occupied, while 63.4% are lived in by tenants. Meanwhile, 5.6% of all homes on the local market sit vacant.

Occupied housing units
1,881
1.2% year-over-year change
Occupancy breakdown
Renter occupied
1,192
Owner occupied
689
Value Percent YoY
change
Renter occupied 1,192 63.4% 3.6%
Owner occupied 689 36.6% -2.4%
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.

Ball Square housing costs

Housing costs in Ball Square come to a median of $2,826 per month, while tenants specifically pay a median gross rent of $2,702.

Median housing costs per month
$2,826/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 Ball Square
$2,702/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 Ball Square

Ball Square education at a glance

About 15.1% of the population in Ball Square went to high school, while 8.8% pursued college studies. Another 3% earned an associate degree and 40.4% hold a bachelor’s. Meanwhile, 31.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 49 1.3% -27.9%
High school diploma 576 15.1% 9.7%
College diploma 337 8.8% -0.3%
Associate degree 113 3% 17.7%
Bachelor's degree 1,545 40.4% 6.8%
Graduate degree 1,202 31.4% 0.6%
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 Ball Square

How much people earn in Ball Square

The average annual household income in Ball Square was $184,735 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.8% change from the previous year. At the same time, the median income stood at $150,313, reflecting a +6.9% shift over the same period.

Average household income in Ball Square
$184,735/year
6.8% year-over-year change
Median household income in Ball Square
$150,313/year
6.9% year-over-year change

Ball Square income by age

In Ball Square, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $175,393. Those with someone between 45 and 64 in charge, often well established professionally, earn $121,894 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $91,971, while those led by someone over 65, many of whom may be retired, have about $39,881 in earnings. Overall, 89.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $91,971 -1.6%
25 - 44 $175,393 2.5%
45 - 64 $121,894 2.1%
Over 65 $39,881 -15.7%
Above poverty level
3,669
Below poverty level
445
Value Percent YoY
change
Above poverty level 3,669 89.2% 2.6%
Below poverty level 445 10.8% -4.1%

Employment in Ball Square

Workforce and job types in Ball Square

95.4% of the working population are employed in professional or administrative positions, while 4.6% are in hands-on or service-based jobs. Also, 5.3% run their own businesses, 63.8% are employed by private companies, and 7.7% work in the public sector.

Workforce demographics

White collar
2,892
Blue collar
140
Value Percent YoY change
White collar 2,892 95.4% 4.2%
Blue collar 140 4.6% 0.7%
Employer type
Self employees
5.3%
Private companies
63.8%
Governmental workers
7.7%
Not for profit companies
23.1%
Value Percent YoY change
Self employees 161 5.3% -9.0%
Private companies 1,936 63.8% 2.8%
Governmental workers 234 7.7% -2.9%
Not for profit companies 701 23.1% 14.4%

Transportation in Ball Square

How people get around in Ball Square

In Ball Square, the average commute time is 5 minutes. Commuting methods vary: 69.6% of residents travel by personal vehicle and 17% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
5 min
0.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 1,026 69.6% 4.5%
Taxicab 2 0.1% N/A
Bus or trolleybus 52 3.5% -10.3%
Railroad 11 0.8% 22.2%
Motorcycle 1 0.1% 0.0%
Bicycle 132 9% -6.4%
Walk 250 17% 19.6%
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 Ball Square by zipcode?

Zipcode Population Number of households Median income Average income
02144 25,448 11,357 $150,313 $185,686

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FAQs about Ball Square demographics 

What is the total population of Ball Square?

Ball Square has a total population of 4,214 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 +1.7% compared to a year ago.

What is the gender ratio in Ball Square?

The gender ratio in Ball Square is as follows:
  • 48.5% males (2,043 residents)
  • 51.5% females (2,172 residents)

What is the median age in Ball Square?

The median age in Ball Square is 31.8.

What is the age distribution of the population in Ball Square?

The age distribution in Ball Square is as follows:
  • Under 15: 8.4% (356 residents)
  • Ages 15-24: 15% (631 residents)
  • Ages 25-44: 50.5% (2,127 residents)
  • Ages 45-64: 16.3% (687 residents)
  • Over 65: 9.8% (413 residents)

What is the racial and ethnic makeup of Ball Square?

The racial and ethnic makeup of Ball Square is as follows:
  • White: 76% (3,201 residents)
  • Black or African American: 2.5% (107 residents)
  • American Indian and Alaska Native: 0.4% (15 residents)
  • Asian: 10.8% (455 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (2 residents)
  • Two or More Races: 9.7% (409 residents)
  • Other: 0.6% (25 residents)

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

U.S.-born citizens represent 82.2% of the population in Ball Square.

How many housing units are there in Ball Square?

There are 1,993 housing units in Ball Square, reflecting a +1.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Ball Square has a total of 1,881 households, with an average of 2 people in each.

What is the median household income in Ball Square?

Ball Square has a median household income of $150,313, representing a +6.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Ball Square?

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

Job types:
  • White-collar workers: 95.4% (2,892 residents)
  • Blue-collar workers: 4.6% (140 residents)

Places of employment:
  • Self-employed: 5.3% (161 residents)
  • Private companies: 63.8% (1,936 residents)
  • Governmental workers: 7.7% (234 residents)
  • Not-for-profit companies: 23.1% (701 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