Millis, MA demographics:
population, income, and more

Total population
8,888
2.2% year-over-year change
Median household income
$155,996/yr
4.7% year-over-year change
Housing units
3,471
-3.0% year-over-year change

Millis population

How many people live in Millis

Millis is home to 8,888 residents, according to the most recent Census data. Gender-wise, 46% of Millis locals are male, and 54% are female.

Total population
8,888
2.2% year-over-year change
Gender ratio
Male
46%
4,089
Female
54%
4,799
Value Percent YoY change
Male 4,089 46% 1.1%
Female 4,799 54% 3.1%
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 Millis is 46, with the population distributed as follows: about 14.2% are children under 15, then 12.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.5% of the population, while another 28.7% fall into the 45 to 64 bracket. Finally, around 23.5% are 65 or older.

Median age
46.4
Age breakdown
Under 15
14.2%
15 to 24
12.2%
25 to 44
21.5%
45 to 64
28.7%
Over 65
23.5%
Value Percent YoY change
Under 15 1,263 14.2% -4.2%
15 to 24 1,081 12.2% 16.2%
25 to 44 1,909 21.5% 8.8%
45 to 64 2,550 28.7% -4.4%
Over 65 2,085 23.5% 2.7%
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 Millis, 87.7% of the population are US-born citizens, while 7.5% have gained naturalized citizenship. At the same time, 4.8% of residents are non-citizens. As for race, 84.6% of locals are Caucasian, 1.2% are African American and 4.8% have Asian roots. There’s also a share of 8.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
87.7%
Non-U.S.-born citizens
7.5%
Non-citizens
4.8%
Value Percent YoY change
U.S.-born citizens 7,793 87.7% 1.5%
Non-U.S.-born citizens 667 7.5% -9.6%
Non-citizens 428 4.8% 51.2%
Racial breakdown
White
84.6%
Black or African American
1.2%
American Indian and Alaska Native
0%
Asian
4.8%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
8.2%
Other
1.2%
Value Percent
White 7,517 84.6%
Black or African American 106 1.2%
Asian 423 4.8%
Native Hawaiian and other Pacific Islander 8 0.1%
Two or more races 725 8.2%
Other 109 1.2%

Households in Millis

A peek inside Millis households

Millis has 3,309 households, with an average of 3 members in each. Of these, 74.6% are families, while the remaining 25.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
3,309
-2.2% year-over-year change
Average people per household
3
Non-family households
842
Family households
2,467
Value Percent YoY change
Non-family households 842 25.4% -12.0%
Family households 2,467 74.6% 1.7%
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 Millis

The housing landscape of Millis

Millis's housing consists of 3,471 units, with 67.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 10.2% and offer a more compact, shared living style.

Housing units
3,471
-3.0% year-over-year change
Housing types
Value Percent
1 unit, detached 2,355 67.8%
1 unit, attached 354 10.2%
2 units 87 2.5%
3 or 4 units 402 11.6%
5 to 9 units 70 2%
10 to 19 units 81 2.3%
20 to 49 units 87 2.5%
50 or more units 35 1%
Homes built since 2020
192
35.2% year-over-year change

The age of buildings in Millis

In Millis, the median construction year is 1974. About 12.6% 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, 3.9% of homes were added from 2000 to 2009, 5.2% between 2010 and 2019, and 5.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 439 12.6% 1.6%
Built between 1940 and 1949 83 2.4% -13.5%
Built between 1950 and 1959 568 16.4% 2.2%
Built between 1960 and 1969 446 12.8% 15.8%
Built between 1970 and 1979 567 16.3% -18.2%
Built between 1980 and 1989 604 17.4% -14.2%
Built between 1990 and 1999 259 7.5% 4.0%
Built between 2000 and 2009 134 3.9% -6.3%
Built between 2010 and 2019 179 5.2% -0.6%
Built in 2020 or later 192 5.5% 35.2%
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.

Millis occupancy rates

Out of the 3,309 occupied housing units in Millis, 83.2% are owner-occupied, while 16.8% are lived in by tenants. Meanwhile, 4.7% of all homes on the local market sit vacant.

Occupied housing units
3,309
-2.2% year-over-year change
Occupancy breakdown
Renter occupied
555
Owner occupied
2,754
Value Percent YoY
change
Renter occupied 555 16.8% 0.2%
Owner occupied 2,754 83.2% -2.6%
Unoccupied housing units
4.7%
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.

Millis housing costs

Housing costs in Millis come to a median of $2,102 per month, while tenants specifically pay a median gross rent of $1,696.

Median housing costs per month
$2,102/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 Millis
$1,696/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 Millis

Millis education at a glance

About 23.7% of the population in Millis went to high school, while 13.6% pursued college studies. Another 7.8% earned an associate degree and 35.1% hold a bachelor’s. Meanwhile, 18.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 122 1.7% 60.5%
High school diploma 1,718 23.7% -2.9%
College diploma 985 13.6% -13.5%
Associate degree 567 7.8% 17.1%
Bachelor's degree 2,544 35.1% 12.7%
Graduate degree 1,315 18.1% 4.0%
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 Millis

How much people earn in Millis

The average annual household income in Millis was $180,435 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.4% change from the previous year. At the same time, the median income stood at $155,996, reflecting a +4.7% shift over the same period.

Average household income in Millis
$180,435/year
9.4% year-over-year change
Median household income in Millis
$155,996/year
4.7% year-over-year change

Millis income by age

In Millis, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $197,500. Those with someone between 45 and 64 in charge, often well established professionally, earn $165,736 overall. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $197,500 14.8%
45 - 64 $165,736 1.9%
Over 65 $106,838 -3.5%
Above poverty level
8,345
Below poverty level
424
Value Percent YoY
change
Above poverty level 8,345 95.2% 1.9%
Below poverty level 424 4.8% 0.2%

Employment in Millis

Workforce and job types in Millis

87.6% of the working population are employed in professional or administrative positions, while 12.4% are in hands-on or service-based jobs. Also, 15.3% run their own businesses, 65.3% are employed by private companies, and 12.2% work in the public sector.

Workforce demographics

White collar
4,261
Blue collar
605
Value Percent YoY change
White collar 4,261 87.6% 4.7%
Blue collar 605 12.4% 6.9%
Employer type
Self employees
15.3%
Private companies
65.3%
Governmental workers
12.2%
Not for profit companies
7.2%
Value Percent YoY change
Self employees 743 15.3% 3.5%
Private companies 3,177 65.3% 4.0%
Governmental workers 593 12.2% 4.6%
Not for profit companies 353 7.2% 19.7%

Transportation in Millis

How people get around in Millis

Commuting methods vary: 98.3% of residents travel by personal vehicle and 0.2% 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 3,841 98.3% 3.6%
Railroad 62 1.6% 31.9%
Walk 6 0.2% 0.0%
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 Millis by zipcode?

Zipcode Population Number of households Median income Average income
02054 8,888 3,309 $155,996 $180,435

Find your place

Explore more communities

FAQs about Millis demographics 

What is the total population of Millis?

Millis has a total population of 8,888 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 +2.2% compared to a year ago.

What is the gender ratio in Millis?

The gender ratio in Millis is as follows:
  • 46% males (4,089 residents)
  • 54% females (4,799 residents)

What is the median age in Millis?

The median age in Millis is 46.4.

What is the age distribution of the population in Millis?

The age distribution in Millis is as follows:
  • Under 15: 14.2% (1,263 residents)
  • Ages 15-24: 12.2% (1,081 residents)
  • Ages 25-44: 21.5% (1,909 residents)
  • Ages 45-64: 28.7% (2,550 residents)
  • Over 65: 23.5% (2,085 residents)

What is the racial and ethnic makeup of Millis?

The racial and ethnic makeup of Millis is as follows:
  • White: 84.6% (7,517 residents)
  • Black or African American: 1.2% (106 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 4.8% (423 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (8 residents)
  • Two or More Races: 8.2% (725 residents)
  • Other: 1.2% (109 residents)

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

U.S.-born citizens represent 87.7% of the population in Millis.

How many housing units are there in Millis?

There are 3,471 housing units in Millis, reflecting a -3.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Millis has a total of 3,309 households, with an average of 3 people in each.

What is the median household income in Millis?

Millis has a median household income of $155,996, representing a +4.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Millis?

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

Job types:
  • White-collar workers: 87.6% (4,261 residents)
  • Blue-collar workers: 12.4% (605 residents)

Places of employment:
  • Self-employed: 15.3% (743 residents)
  • Private companies: 65.3% (3,177 residents)
  • Governmental workers: 12.2% (593 residents)
  • Not-for-profit companies: 7.2% (353 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