Town · Massachusetts
Millis, Massachusetts
Millis, town, in Norfolk County, Massachusetts. Millis had 9,463 residents on July 1, 2025 by the Census Bureau's estimate, up 11.8% since 2020; the 2020 Census counted 8,460 and the ACS 2020-2024 5-year estimates put it at 8,888 (±24). GEOID 2502141515.
Residents, July 2025 estimate
9,463
Census Bureau estimate (no margin published)
2020 Census count: 8,460 · ACS 2020-2024: 8,888 ±24
Median household income
$155,996
±$8,817 (90% margin)
Massachusetts: $103,960
Median home value
$603,500
±$30,556 (90% margin)
Massachusetts: $562,100
Median gross rent
$1,696
±$279 (90% margin)
Massachusetts: $1,762
Where is Millis and what county is it in?
Millis is a town in Norfolk County, Massachusetts. It covers 12.0 square miles of land, 703 residents per square mile in 2020.
One place lies inside Millis: Millis-Clicquot (CDP, 4,499 in 2020).
Millis is in the Boston-Cambridge-Newton, MA-NH metropolitan statistical area, which takes in 7 counties (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 Millis, and is it growing?
The Census Bureau estimates that 9,463 people lived in Millis on July 1, 2025, up 11.8% since 2020, faster than Massachusetts (+1.7%). The 2020 Census counted 8,460 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 8,888 (±24).
| Measure | Millis | Norfolk County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 8,888±24 | 730,082 | +655 |
| Households | 3,309±204 | 283,368 | no clear change |
| Average household size | 2.67±0.17 | 2.51 | no clear change |
| Housing units | 3,471±195 | 295,227 | no clear change |
Millis's population since 2000
From 7,902 in 2000 to 9,463 in 2025: up 19.8%. The 2000, 2010 and 2020 figures are census counts, each for Millis 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 Millis?
The median resident of Millis is 46.4 years old; 18.4% are under 18 and 23.5% are 65 or older. The largest group is non-Hispanic white residents at 84.6%, then non-Hispanic residents of two or more races at 5.5%. 11.7% of residents were born outside the United States.
| Measure | Millis | Norfolk County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.4±3.0 | 40.9 | no clear change |
| Under 18 years | 18.4%±2.3 pts | 20.5% | – |
| 65 years and over | 23.5%±3.4 pts | 17.8% | – |
| Male | 46.0%±2.8 pts | 48.5% | – |
| Hispanic or Latino (any race) | 3.7%±2.7 pts | 5.8% | – |
| White alone, not Hispanic | 84.6%±4.7 pts | 68.7% | −8.3 pts |
| Black or African American alone, not Hispanic | 1.2%±1.2 pts | 7.1% | – |
| Asian alone, not Hispanic | 4.8%±2.7 pts | 12.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.5 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.5%±3.0 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.2%±0.4 pts | 1.1% | – |
| Born outside the United States | 11.7%±4.5 pts | 19.3% | no clear change |
| Speak a language other than English at home (age 5+) | 12.9%±5.0 pts | 23.3% | – |
| Civilian veterans (age 18+) | 3.6%±1.6 pts | 3.8% | – |
| With a disability | 5.7%±2.0 pts | 9.9% | – |
| No health insurance coverage | 1.1%±0.9 pts | 1.9% | – |
| High school graduate or higher (age 25+) | 95.4%±2.7 pts | 94.4% | – |
| Bachelor's degree or higher (age 25+) | 54.5%±5.4 pts | 58.8% | no clear change |
| Graduate or professional degree (age 25+) | 19.9%±3.5 pts | 28.4% | – |
| Lived in the same house a year earlier | 94.2%±2.8 pts | 89.2% | – |
| Moved from another state in the past year | 0.9%±1.1 pts | 2.0% | – |
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 Millis earn?
Half of Millis's 3,309 households earn less than $155,996 a year (±$8,817), against $130,739 in Norfolk County and $103,960 in Massachusetts. In 2015-2019 the median was $130,655 in 2024 dollars, so it rose by $25,341 after inflation. 4.8% of residents live below the poverty line.
| Measure | Millis | Norfolk County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $155,996±$8,817 | $130,739 | +$25,341 |
| Mean household income | $180,435±$17,987 | $183,022 | – |
| Per capita income | $71,331±$10,195 | $71,758 | +$13,930 |
| People below the poverty line | 4.8%±2.5 pts | 6.7% | – |
| Children under 18 below the poverty line | 6.6%±6.8 pts | 5.4% | – |
| Households receiving SNAP | 3.4%±2.2 pts | 9.4% | – |
| Households with a computer | 98.5%±1.5 pts | 96.8% | – |
| Households with a broadband subscription | 97.3%±1.7 pts | 94.8% | – |
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 Millis?
Owners occupy 83.2% of Millis's occupied homes and renters 16.8%. The median owner-occupied home is valued at $603,500 by its owner (±$30,556). The median renter pays $1,696 a month including utilities, and 56.5% of renters pay 35% or more of their income on rent.
| Measure | Millis | Norfolk County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $603,500±$30,556 | $683,900 | +$110,976 |
| Median gross rent | $1,696±$279 | $2,149 | −$490 |
| Renters paying 35% or more of income on rent | 56.5%±15.3 pts | 41.1% | no clear change |
| Median monthly owner costs, with a mortgage | $3,106±$198 | $3,171 | – |
| Owner-occupied homes | 83.2%±3.9 pts | 68.7% | no clear change |
| Renter-occupied homes | 16.8%±3.9 pts | 31.3% | – |
| Housing units | 3,471±195 | 295,227 | no clear change |
| Homeowner vacancy rate | 2.0%±3.3 pts | 0.4% | – |
| Rental vacancy rate | 4.2%±6.5 pts | 4.0% | – |
| Single-family detached homes | 67.8%±6.0 pts | 56.6% | – |
| Mobile homes | 0.0%±1.2 pts | 0.4% | – |
| Built 2020 or later | 5.5%±3.1 pts | 1.1% | – |
| Built 2010 to 2019 | 5.2%±2.1 pts | 7.8% | – |
| Built 1939 or earlier | 12.6%±3.9 pts | 26.1% | – |
| Households with no vehicle | 1.7%±1.3 pts | 9.2% | – |
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 Millis building?
Builders took permits for 4 new housing units in Millis in 2025 (4 in single-family houses), 0.4 per 1,000 residents against 1.7 across Massachusetts.
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 Millis work and get to work?
75.7% of Millis's workers drive alone and 17.5% work from home. The average trip to work takes 30.6 minutes. The unemployment rate in 2020-2024 averaged 4.2%.
| Measure | Millis | Norfolk County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.9%±3.7 pts | 69.2% | – |
| Unemployment rate | 4.2%±1.9 pts | 4.9% | – |
| Drove alone to work | 75.7%±4.1 pts | 57.4% | – |
| Carpooled | 5.0%±2.0 pts | 6.0% | – |
| Public transportation | 1.3%±1.1 pts | 8.7% | – |
| Walked | 0.1%±0.2 pts | 3.1% | – |
| Worked from home | 17.5%±4.0 pts | 22.8% | +12.3 pts |
| Mean travel time to work | 30.6 min±2.9 | 32.5 min | −4.8 min |
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 Millis?
2 census tracts lie mostly in Millis (2020 census blocks). Their median household incomes run from $154,310 (Tract 4071.02) to $156,286 (Tract 4071.01).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 4071.01Norfolk County | 4,660 | $156,286 |
| Tract 4071.02Norfolk County | 4,228 | $154,310 |
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 Millis) · Census block assignment files
How does Millis compare with other places in Massachusetts?
By the Census Bureau's July 2025 estimates, Millis is the 1,297th-most populous of the 16,079 U.S. towns and townships that have one and the 107th-most populous of 266 in Massachusetts.
Millis ranks 72nd of 453 places in Massachusetts with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 107th | 266 |
| Growth 2020-2025 (PEP) | 3rd | 292 |
| Residents per square mile | 267th | 461 |
| Median household income | 72nd | 453 |
| Per capita income | 107th | 460 |
| Median home value | 170th | 459 |
| Median gross rent | 177th | 410 |
| Poverty rate | 235th | 338 |
| Bachelor's degree or higher | 161st | 459 |
| Median age | 183rd | 461 |
| Owner-occupied share | 182nd | 460 |
| Work from home | 232nd | 429 |
| Travel time to work | 208th | 459 |
Millis's figures with every place in Massachusetts (CSV)
Every place in Massachusetts, sortable · Compare Millis 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 Millis?
14 of the 57 figures for Millis 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 Millis 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.