Braintree Town, Massachusetts demographics

Braintree Town, MA demographics: median age 41.3; 47.5% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Braintree Town city, Massachusetts · Incorporated city · GEOID 2507740. The survey estimates a population of 38,899 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Braintree Town is 41.3 years, with a 90% margin of error of 1.2 years. There are 14,432 households (±419). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	41.3 ±1.2	40.0 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 38,899
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Under 18	7,995 ±599	20.6% ±1.5 pp	19.4%	22.0%
18–34	7,871 ±764	20.2% ±2.0 pp	23.9%	22.8%
35–64	16,179 ±831	41.6% ±2.1 pp	38.9%	38.0%
65 and older	6,854 ±549	17.6% ±1.4 pp	17.9%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 38,899
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Male	19,064 ±487	49.0% ±1.3 pp	48.9%	49.5%
Female	19,835 ±489	51.0% ±1.3 pp	51.1%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 38,899
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
White alone	26,228 ±1,032	67.4% ±2.7 pp	68.6%	61.0%
Black or African American alone	1,471 ±485	3.8% ±1.2 pp	6.8%	12.2%
American Indian and Alaska Native alone	6 ±11 · low precision	0.0% ±0.0 pp · low precision	0.2%	0.9%
Asian alone	8,630 ±876	22.2% ±2.3 pp	7.3%	6.0%
Native Hawaiian and Other Pacific Islander alone	61 ±69 · low precision	0.2% ±0.2 pp · low precision	0.0%	0.2%
Some other race alone	596 ±260	1.5% ±0.7 pp	5.8%	7.1%
Two or more races	1,907 ±462	4.9% ±1.2 pp	11.1%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 38,899
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Not Hispanic or Latino	37,636 ±404	96.8% ±1.0 pp	86.7%	80.7%
Hispanic or Latino	1,263 ±404	3.2% ±1.0 pp	13.3%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 14,432
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Married-couple family	7,536 ±361	52.2% ±2.0 pp	45.9%	46.9%
Other family: male householder, no spouse present	639 ±176	4.4% ±1.2 pp	4.7%	5.1%
Other family: female householder, no spouse present	1,585 ±244	11.0% ±1.7 pp	11.9%	12.2%
Nonfamily: householder living alone	3,700 ±415	25.6% ±2.8 pp	28.8%	28.7%
Nonfamily: householder not living alone	972 ±321	6.7% ±2.2 pp	8.9%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 14,432
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Households with people under 18	4,886 ±351	33.9% ±2.2 pp	27.9%	29.5%
Households without people under 18	9,546 ±542	66.1% ±3.2 pp	72.1%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 14,432
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
One-person nonfamily households	3,700 ±415	25.6% ±2.8 pp	28.8%	28.7%
Two-person households	3,955 ±484	27.4% ±3.3 pp	33.3%	33.8%
Three-person households	2,819 ±360	19.5% ±2.4 pp	16.5%	15.3%
Four-person households	2,528 ±258	17.5% ±1.7 pp	13.5%	12.6%
Five-person households	916 ±192	6.3% ±1.3 pp	5.2%	5.9%
Six-person households	368 ±128	2.5% ±0.9 pp	1.8%	2.2%
Seven or more people	146 ±75 · low precision	1.0% ±0.5 pp · low precision	0.9%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 38,899
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Native	31,136 ±763	80.0% ±2.0 pp	82.0%	85.9%
Foreign born	7,763 ±758	20.0% ±1.9 pp	18.0%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 36,931
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
English only	26,758 ±1,031	72.5% ±2.8 pp	74.9%	77.7%
Spanish	953 ±324	2.6% ±0.9 pp	9.7%	13.6%
French, Haitian, or Cajun	157 ±108 · low precision	0.4% ±0.3 pp · low precision	1.9%	0.7%
German or other West Germanic	52 ±55 · low precision	0.1% ±0.1 pp · low precision	0.3%	0.5%
Russian, Polish, or other Slavic	115 ±69 · low precision	0.3% ±0.2 pp · low precision	1.0%	0.7%
Other Indo-European	1,356 ±383	3.7% ±1.0 pp	6.1%	2.0%
Korean	19 ±28 · low precision	0.1% ±0.1 pp · low precision	0.3%	0.3%
Chinese, including Mandarin and Cantonese	4,842 ±788	13.1% ±2.1 pp	2.2%	1.1%
Vietnamese	1,440 ±480	3.9% ±1.3 pp	0.7%	0.5%
Tagalog, including Filipino	81 ±83 · low precision	0.2% ±0.2 pp · low precision	0.1%	0.6%
Other Asian and Pacific Island	585 ±284	1.6% ±0.8 pp	1.3%	1.1%
Arabic	385 ±300 · low precision	1.0% ±0.8 pp · low precision	0.6%	0.5%
Other and unspecified	188 ±131 · low precision	0.5% ±0.4 pp · low precision	1.0%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 27,799
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Less than high school graduate	1,963 ±398	7.1% ±1.4 pp	8.6%	10.4%
High school graduate or equivalency	6,489 ±610	23.3% ±2.2 pp	22.6%	26.0%
Some college, no degree	4,197 ±514	15.1% ±1.8 pp	14.1%	19.1%
Associate’s degree	1,942 ±343	7.0% ±1.2 pp	7.5%	8.8%
Bachelor’s degree	7,894 ±540	28.4% ±1.9 pp	25.5%	21.6%
Graduate or professional degree	5,314 ±456	19.1% ±1.6 pp	21.8%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 38,640
Category	Count ± MOE	Share ± MOE (pp)	Massachusetts	U.S.
Same house	35,433 ±572	91.7% ±1.5 pp	88.3%	87.7%
Moved within same county	1,559 ±368	4.0% ±1.0 pp	5.6%	6.3%
Moved from a different county in the same state	1,105 ±436	2.9% ±1.1 pp	3.0%	3.1%
Moved from a different state	387 ±237 · low precision	1.0% ±0.6 pp · low precision	2.2%	2.3%
Moved from abroad	156 ±150 · low precision	0.4% ±0.4 pp · low precision	0.9%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

1.6% of Braintree Town residents (±0.5 percentage points) had no health insurance coverage when surveyed, compared with 2.6% in Massachusetts and 8.4% nationally. 95.4% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Braintree Town	Massachusetts	U.S.	Compared with Massachusetts
People without health insurance Civilian noninstitutionalized population	1.6% ±0.5 pp	2.6%	8.4%	Lower
Households with a broadband subscription Households	95.4% ±0.9 pp	92.8%	91.0%	Higher
Veterans Civilian population age 18 and older	4.2% ±0.8 pp	4.3%	6.2%	Not statistically different

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Braintree Town . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Braintree Town housing and cost context or return to the city profile.