Census tract · Plymouth County
Census Tract 5105.03, Plymouth County, Massachusetts
Census Tract 5105.03, GEOID 25023510503, in Plymouth County, Massachusetts, entirely within Brockton. 4,249 residents in the ACS 2020-2024 5-year estimates (±490); the 2020 Census counted 4,571.
Residents, 2020-2024
4,249
±490 (90% margin)
2020 Census count: 4,571
Median household income
$66,000
±$15,073 (90% margin)
Plymouth County: $114,201
Median home value
$487,500
±$43,558 (90% margin)
Plymouth County: $556,000
Median gross rent
$1,706
±$128 (90% margin)
Plymouth County: $1,747
Where is Census Tract 5105.03?
Census Tract 5105.03 is one of 111 census tracts in Plymouth County, Massachusetts. It covers 0.99 square miles of land, 4,622 residents per square mile in 2020. Its GEOID, 25023510503, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Brockton | 100% |
5 census tracts border Census Tract 5105.03: Tract 9856 in Bristol County ($142,869), Tract 4561.01 in Norfolk County ($127,500), Tract 4571 in Norfolk County ($130,625), Tract 5105.05 ($57,938) and Tract 5106 ($162,083). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 5105.03?
The 2020-2024 American Community Survey puts Census Tract 5105.03's population at 4,249 (±490) in 1,586 households; the 2020 Census counted 4,571 residents and 1,690 housing units.
| Measure | Tract 5105.03 | Brockton |
|---|---|---|
| Total population | 4,249 ±490 | 105,386 |
| Households | 1,586 ±184 | 36,042 |
| Average household size | 2.55 ±0.20 | 2.88 |
| Housing units | 1,611 ±181 | 37,730 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 5105.03?
The median resident of Census Tract 5105.03 is 38.6 years old; 24.8% are under 18 and 19.7% are 65 or older. The largest group is non-Hispanic Black residents at 41.6%, then non-Hispanic white residents at 32.7%. 30.5% of residents were born outside the United States.
| Measure | Tract 5105.03 | Brockton |
|---|---|---|
| Median age | 38.6 ±5.0 | 36.7 |
| Under 18 years | 24.8% ±4.5 pts | 25.3% |
| 65 years and over | 19.7% ±3.0 pts | 14.4% |
| Hispanic or Latino (any race) | 15.3% ±6.0 pts | 12.6% |
| White alone, not Hispanic | 32.7% ±7.8 pts | 26.8% |
| Black or African American alone, not Hispanic | 41.6% ±7.1 pts | 33.5% |
| Asian alone, not Hispanic | 0.7% ±1.2 pts | 2.4% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.0 pts | 0.1% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.0 pts | 0.1% |
| Two or more races, not Hispanic | 6.7% ±3.5 pts | 17.1% |
| Some other race alone, not Hispanic | 2.9% ±2.7 pts | 7.4% |
| Born outside the United States | 30.5% ±6.1 pts | 33.7% |
| Speak a language other than English at home (age 5+) | 38.1% ±8.2 pts | 46.5% |
| Civilian veterans (age 18+) | 3.1% ±1.8 pts | 3.9% |
| With a disability | 17.9% ±6.1 pts | 14.3% |
| No health insurance coverage | 2.2% ±1.8 pts | 4.6% |
| High school graduate or higher (age 25+) | 85.1% ±6.3 pts | 82.1% |
| Bachelor's degree or higher (age 25+) | 20.3% ±6.2 pts | 22.3% |
| Graduate or professional degree (age 25+) | 4.3% ±2.9 pts | 7.3% |
| Lived in the same house a year earlier | 91.4% ±3.4 pts | 90.2% |
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 Census Tract 5105.03 earn?
Half of the 1,586 households in Census Tract 5105.03 earn less than $66,000 a year (±$15,073), against $114,201 across Plymouth County: 101st highest of the county's 108 tracts with a reliable estimate. 16.5% of residents live below the poverty line.
| Measure | Tract 5105.03 | Brockton |
|---|---|---|
| Median household income | $66,000 ±$15,073 | $80,115 |
| Mean household income | $86,890 ±$12,859 | $106,175 |
| Per capita income | $33,482 ±$4,414 | $35,830 |
| People below the poverty line | 16.5% ±6.2 pts | 13.5% |
| Children under 18 below the poverty line | 27.1% ±10.8 pts | 15.2% |
| Households receiving SNAP | 35.5% ±7.3 pts | 32.5% |
| Households with a computer | 95.2% ±3.7 pts | 93.3% |
| Households with a broadband subscription | 88.7% ±5.1 pts | 89.4% |
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 Census Tract 5105.03?
Owners occupy 40.2% of Census Tract 5105.03's occupied homes and renters 59.8%. The median owner-occupied home is valued at $487,500 by its owner (±$43,558). The median renter pays $1,706 a month including utilities, and 50.7% of renters pay 35% or more of their income on rent.
| Measure | Tract 5105.03 | Brockton |
|---|---|---|
| Median home value (owner-occupied) | $487,500 ±$43,558 | $437,500 |
| Median gross rent | $1,706 ±$128 | $1,641 |
| Renters paying 35% or more of income on rent | 50.7% ±11.6 pts | 44.7% |
| Median monthly owner costs, with a mortgage | $2,461 ±$434 | $2,462 |
| Owner-occupied homes | 40.2% ±8.2 pts | 57.4% |
| Renter-occupied homes | 59.8% ±8.2 pts | 42.6% |
| Housing units | 1,611 ±181 | 37,730 |
| Single-family detached homes | 35.9% ±7.8 pts | 47.4% |
| Mobile homes | 2.0% ±2.1 pts | 0.3% |
| Built 2020 or later | 0.0% ±2.6 pts | 0.3% |
| Built 2010 to 2019 | 4.8% ±3.8 pts | 3.3% |
| Built 1939 or earlier | 8.9% ±5.2 pts | 31.6% |
| Households with no vehicle | 14.0% ±6.1 pts | 16.3% |
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 do people in Census Tract 5105.03 get to work?
68.0% of Census Tract 5105.03's workers drive alone and 17.4% work from home. The average trip to work takes 33.2 minutes.
| Measure | Tract 5105.03 | Brockton |
|---|---|---|
| In the labor force (age 16+) | 67.2% ±6.2 pts | 67.8% |
| Unemployment rate | 4.3% ±3.1 pts | 8.6% |
| Drove alone to work | 68.0% ±10.0 pts | 70.7% |
| Carpooled | 6.0% ±3.1 pts | 12.5% |
| Public transportation | 2.4% ±2.2 pts | 4.7% |
| Walked | 0.0% ±2.0 pts | 1.4% |
| Worked from home | 17.4% ±10.5 pts | 6.9% |
| Mean travel time to work | 33.2 min ±4.2 | 31.5 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
How does Census Tract 5105.03 compare with the other tracts in Plymouth County?
Among Plymouth County's tracts with a reliable estimate, Census Tract 5105.03 ranks as shown below (1 = highest).
| Measure | In Plymouth County | In Brockton |
|---|---|---|
| Population | 66th of 110 | 13th of 23 |
| Residents per square mile | 15th of 110 | 13th of 23 |
| Median household income | 101st of 108 | 16th of 23 |
| Per capita income | 98th of 110 | 13th of 23 |
| Median home value | 66th of 107 | 5th of 22 |
| Median gross rent | 54th of 85 | 11th of 21 |
| Poverty rate | 8th of 64 | 7th of 18 |
| Bachelor's degree or higher | 99th of 110 | 13th of 23 |
| Median age | 86th of 110 | 11th of 23 |
| Owner-occupied share | 101st of 107 | 17th of 22 |
The tracts next to it on Plymouth County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5110 | 98th | $72,846±$28,612 · within the margin of this tract |
| Tract 5442 | 99th | $70,660±$15,275 · within the margin of this tract |
| Tract 5451 | 100th | $70,511±$17,880 · within the margin of this tract |
| Tract 5105.03 | 101st | $66,000±$15,073 |
| Tract 5113.01 | 102nd | $65,333±$26,601 · within the margin of this tract |
| Tract 5116.02 | 103rd | $59,497±$33,636 · within the margin of this tract |
| Tract 5105.05 | 104th | $57,938±$16,369 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 5105.03?
1 of the 18 figures for Census Tract 5105.03 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections