South Quincy, Quincy, MA demographics:
population, income, and more

Total population
8,973
3.4% year-over-year change
Median household income
$96,290/yr
4.6% year-over-year change
Housing units
4,323
0.5% year-over-year change

South Quincy population

How many people live in South Quincy

South Quincy is home to 8,973 residents, according to the most recent Census data. Gender-wise, 50.9% of South Quincy locals are male, and 49.1% are female.

Total population
8,973
3.4% year-over-year change
Gender ratio
Male
50.9%
4,564
Female
49.1%
4,409
Value Percent YoY change
Male 4,564 50.9% 4.6%
Female 4,409 49.1% 2.1%
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 South Quincy is 38, with the population distributed as follows: about 13.2% are children under 15, then 9.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 37.4% of the population, while another 22% fall into the 45 to 64 bracket. Finally, around 17.5% are 65 or older.

Median age
38.1
Age breakdown
Under 15
13.2%
15 to 24
9.9%
25 to 44
37.4%
45 to 64
22%
Over 65
17.5%
Value Percent YoY change
Under 15 1,185 13.2% -1.9%
15 to 24 887 9.9% 14.9%
25 to 44 3,359 37.4% 4.5%
45 to 64 1,971 22% 1.6%
Over 65 1,570 17.5% 1.8%
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 South Quincy, 66.5% of the population are US-born citizens, while 18% have gained naturalized citizenship. At the same time, 15.5% of residents are non-citizens. As for race, 55.4% of locals are Caucasian, 8.2% are African American and 24.3% have Asian roots. There’s also a share of 8.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
66.5%
Non-U.S.-born citizens
18%
Non-citizens
15.5%
Value Percent YoY change
U.S.-born citizens 5,964 66.5% 2.6%
Non-U.S.-born citizens 1,616 18% 2.0%
Non-citizens 1,392 15.5% 8.4%
Racial breakdown
White
55.4%
Black or African American
8.2%
American Indian and Alaska Native
0.2%
Asian
24.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.1%
Other
3.9%
Value Percent
White 4,968 55.4%
Black or African American 734 8.2%
American Indian and Alaska Native 19 0.2%
Asian 2,177 24.3%
Two or more races 726 8.1%
Other 348 3.9%

Households in South Quincy

A peek inside South Quincy households

South Quincy has 4,089 households, with an average of 2 members in each. Of these, 51.4% are families, while the remaining 48.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,089
0.1% year-over-year change
Average people per household
2
Non-family households
1,987
Family households
2,102
Value Percent YoY change
Non-family households 1,987 48.6% -2.0%
Family households 2,102 51.4% 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 South Quincy

The housing landscape of South Quincy

South Quincy's housing consists of 4,323 units, with 29.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.1% 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 0.4% of the housing landscape.

Housing units
4,323
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 1,292 29.9%
1 unit, attached 220 5.1%
2 units 428 9.9%
3 or 4 units 457 10.6%
5 to 9 units 209 4.8%
10 to 19 units 246 5.7%
20 to 49 units 362 8.4%
50 or more units 1,087 25.1%
Mobile home 18 0.4%
Boat, RV, van, etc. 5 0.1%
Homes built since 2020
50
66.7% year-over-year change

The age of buildings in South Quincy

In South Quincy, the median construction year is 1965. About 34% of homes were built before the 1940s, with another 4.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 6.6% of homes were added from 2000 to 2009, 11.3% 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 1,470 34% 0.8%
Built between 1940 and 1949 194 4.5% -10.6%
Built between 1950 and 1959 327 7.6% 1.9%
Built between 1960 and 1969 350 8.1% -6.9%
Built between 1970 and 1979 517 12% -3.9%
Built between 1980 and 1989 414 9.6% 2.5%
Built between 1990 and 1999 231 5.3% -13.5%
Built between 2000 and 2009 283 6.6% 18.4%
Built between 2010 and 2019 487 11.3% 8.0%
Built in 2020 or later 50 1.2% 66.7%
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.

South Quincy occupancy rates

Out of the 4,089 occupied housing units in South Quincy, 41% are owner-occupied, while 59% are lived in by tenants. Meanwhile, 5.4% of all homes on the local market sit vacant.

Occupied housing units
4,089
0.1% year-over-year change
Occupancy breakdown
Renter occupied
2,411
Owner occupied
1,678
Value Percent YoY
change
Renter occupied 2,411 59% -1.2%
Owner occupied 1,678 41% 2.1%
Unoccupied housing units
5.4%
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.

South Quincy housing costs

Housing costs in South Quincy come to a median of $2,078 per month, while tenants specifically pay a median gross rent of $2,089.

Median housing costs per month
$2,078/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 South Quincy
$2,089/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 South Quincy

South Quincy education at a glance

About 24% of the population in South Quincy went to high school, while 15.6% pursued college studies. Another 7.3% earned an associate degree and 28.6% hold a bachelor’s. Meanwhile, 20% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 346 4.5% 1.8%
High school diploma 1,828 24% 0.9%
College diploma 1,191 15.6% 5.3%
Associate degree 555 7.3% 2.8%
Bachelor's degree 2,182 28.6% 5.2%
Graduate degree 1,521 20% 5.8%
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 South Quincy

How much people earn in South Quincy

The average annual household income in South Quincy was $118,136 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.1% change from the previous year. At the same time, the median income stood at $96,290, reflecting a +4.6% shift over the same period.

Average household income in South Quincy
$118,136/year
5.1% year-over-year change
Median household income in South Quincy
$96,290/year
4.6% year-over-year change

South Quincy income by age

In South Quincy, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $120,458. Those with someone between 45 and 64 in charge, often well established professionally, earn $98,387 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $41,559, while those led by someone over 65, many of whom may be retired, have about $52,923 in earnings. Overall, 88.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $41,559 1.1%
25 - 44 $120,458 6.1%
45 - 64 $98,387 1.4%
Over 65 $52,923 10.2%
Above poverty level
7,851
Below poverty level
989
Value Percent YoY
change
Above poverty level 7,851 88.8% 5.2%
Below poverty level 989 11.2% -8.5%

Employment in South Quincy

Workforce and job types in South Quincy

89.3% of the working population are employed in professional or administrative positions, while 10.7% are in hands-on or service-based jobs. Also, 6% run their own businesses, 69.3% are employed by private companies, and 11.8% work in the public sector.

Workforce demographics

White collar
4,568
Blue collar
546
Value Percent YoY change
White collar 4,568 89.3% 4.9%
Blue collar 546 10.7% 6.0%
Employer type
Self employees
6%
Private companies
69.3%
Governmental workers
11.8%
Not for profit companies
12.9%
Value Percent YoY change
Self employees 309 6% -2.5%
Private companies 3,544 69.3% 4.0%
Governmental workers 601 11.8% 12.1%
Not for profit companies 660 12.9% 8.0%

Transportation in South Quincy

How people get around in South Quincy

In South Quincy, the average commute time is 5 minutes. Commuting methods vary: 87.7% of residents travel by personal vehicle and 2.8% 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 2,904 87.7% 2.9%
Taxicab 61 1.8% -3.2%
Bus or trolleybus 142 4.3% -15.0%
Railroad 96 2.9% 108.7%
Motorcycle 5 0.2% -16.7%
Bicycle 9 0.3% 800.0%
Walk 93 2.8% -7.9%
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 South Quincy by zipcode?

Zipcode Population Number of households Median income Average income
02169 62,993 28,707 $96,290 $118,136

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FAQs about South Quincy demographics 

What is the total population of South Quincy?

South Quincy has a total population of 8,973 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 +3.4% compared to a year ago.

What is the gender ratio in South Quincy?

The gender ratio in South Quincy is as follows:
  • 50.9% males (4,564 residents)
  • 49.1% females (4,409 residents)

What is the median age in South Quincy?

The median age in South Quincy is 38.1.

What is the age distribution of the population in South Quincy?

The age distribution in South Quincy is as follows:
  • Under 15: 13.2% (1,185 residents)
  • Ages 15-24: 9.9% (887 residents)
  • Ages 25-44: 37.4% (3,359 residents)
  • Ages 45-64: 22% (1,971 residents)
  • Over 65: 17.5% (1,570 residents)

What is the racial and ethnic makeup of South Quincy?

The racial and ethnic makeup of South Quincy is as follows:
  • White: 55.4% (4,968 residents)
  • Black or African American: 8.2% (734 residents)
  • American Indian and Alaska Native: 0.2% (19 residents)
  • Asian: 24.3% (2,177 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 8.1% (726 residents)
  • Other: 3.9% (348 residents)

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

U.S.-born citizens represent 66.5% of the population in South Quincy.

How many housing units are there in South Quincy?

There are 4,323 housing units in South Quincy, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

South Quincy has a total of 4,089 households, with an average of 2 people in each.

What is the median household income in South Quincy?

South Quincy has a median household income of $96,290, representing a +4.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for South Quincy?

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

Job types:
  • White-collar workers: 89.3% (4,568 residents)
  • Blue-collar workers: 10.7% (546 residents)

Places of employment:
  • Self-employed: 6% (309 residents)
  • Private companies: 69.3% (3,544 residents)
  • Governmental workers: 11.8% (601 residents)
  • Not-for-profit companies: 12.9% (660 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