Census tract · Worcester County
Census Tract 7121.01, Worcester County, Massachusetts
Census Tract 7121.01, GEOID 25027712101, in Worcester County, Massachusetts, entirely within Lunenburg. 7,932 residents in the ACS 2020-2024 5-year estimates (±490); the 2020 Census counted 7,349.
Residents, 2020-2024
7,932
±490 (90% margin)
2020 Census count: 7,349
Median household income
$104,236
±$9,110 (90% margin)
Worcester County: $95,939
Median home value
$443,100
±$27,396 (90% margin)
Worcester County: $423,700
Median gross rent
$2,053
±$677 (90% margin)
Worcester County: $1,426
Where is Census Tract 7121.01?
Census Tract 7121.01 is one of 191 census tracts in Worcester County, Massachusetts. It covers 13.18 square miles of land, 557 residents per square mile in 2020. Its GEOID, 25027712101, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Lunenburg | 100% |
| Lunenburg CDP | 11% |
7 census tracts border Census Tract 7121.01: Tract 3001 in Middlesex County ($115,598), Tract 3011.02 in Middlesex County ($126,549), Tract 7095.02 ($90,592), Tract 7101 ($86,397), Tract 7110 ($64,880), Tract 7111 ($100,243) and Tract 7121.02 ($149,063). 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 7121.01?
The 2020-2024 American Community Survey puts Census Tract 7121.01's population at 7,932 (±490) in 3,240 households; the 2020 Census counted 7,349 residents and 3,136 housing units.
| Measure | Tract 7121.01 | Lunenburg |
|---|---|---|
| Total population | 7,932 ±490 | 11,902 |
| Households | 3,240 ±225 | 4,744 |
| Average household size | 2.44 ±0.15 | 2.50 |
| Housing units | 3,307 ±211 | 4,876 |
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 7121.01?
The median resident of Census Tract 7121.01 is 43.4 years old; 20.4% are under 18 and 17.7% are 65 or older. The largest group is non-Hispanic white residents at 86.3%, then Hispanic or Latino residents (of any race) at 6.2%.
| Measure | Tract 7121.01 | Lunenburg |
|---|---|---|
| Median age | 43.4 ±2.6 | 43.2 |
| Under 18 years | 20.4% ±3.3 pts | 21.1% |
| 65 years and over | 17.7% ±3.6 pts | 17.9% |
| Hispanic or Latino (any race) | 6.2% ±2.9 pts | 5.8% |
| White alone, not Hispanic | 86.3% ±5.6 pts | 87.5% |
| Black or African American alone, not Hispanic | 0.9% ±1.4 pts | 1.3% |
| Asian alone, not Hispanic | 3.2% ±3.6 pts | 2.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% |
| Two or more races, not Hispanic | 3.3% ±2.1 pts | 2.6% |
| Some other race alone, not Hispanic | 0.0% ±0.5 pts | 0.4% |
| Born outside the United States | 5.0% ±3.4 pts | 5.5% |
| Speak a language other than English at home (age 5+) | 9.0% ±4.9 pts | 7.4% |
| Civilian veterans (age 18+) | 3.2% ±1.6 pts | 5.6% |
| With a disability | 15.5% ±4.0 pts | 13.5% |
| No health insurance coverage | 0.7% ±1.0 pts | 0.9% |
| High school graduate or higher (age 25+) | 94.8% ±1.9 pts | 95.4% |
| Bachelor's degree or higher (age 25+) | 39.7% ±6.4 pts | 44.0% |
| Graduate or professional degree (age 25+) | 16.7% ±4.6 pts | 18.0% |
| Lived in the same house a year earlier | 94.4% ±2.7 pts | 93.5% |
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 7121.01 earn?
Half of the 3,240 households in Census Tract 7121.01 earn less than $104,236 a year (±$9,110), against $95,939 across Worcester County: 83rd highest of the county's 187 tracts with a reliable estimate. 5.7% of residents live below the poverty line.
| Measure | Tract 7121.01 | Lunenburg |
|---|---|---|
| Median household income | $104,236 ±$9,110 | $112,828 |
| Mean household income | $120,879 ±$12,692 | $133,211 |
| Per capita income | $49,715 ±$5,856 | $53,431 |
| People below the poverty line | 5.7% ±3.5 pts | 4.2% |
| Children under 18 below the poverty line | 7.7% ±9.1 pts | 4.9% |
| Households receiving SNAP | 11.6% ±4.9 pts | 9.0% |
| Households with a computer | 96.5% ±2.7 pts | 96.8% |
| Households with a broadband subscription | 96.4% ±2.8 pts | 95.7% |
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 7121.01?
Owners occupy 73.8% of Census Tract 7121.01's occupied homes and renters 26.2%. The median owner-occupied home is valued at $443,100 by its owner (±$27,396). The median renter pays $2,053 a month including utilities, and 31.7% of renters pay 35% or more of their income on rent.
| Measure | Tract 7121.01 | Lunenburg |
|---|---|---|
| Median home value (owner-occupied) | $443,100 ±$27,396 | $463,900 |
| Median gross rent | $2,053 ±$677 | $1,974 |
| Renters paying 35% or more of income on rent | 31.7% ±13.8 pts | 31.3% |
| Median monthly owner costs, with a mortgage | $2,299 ±$111 | $2,345 |
| Owner-occupied homes | 73.8% ±6.7 pts | 80.7% |
| Renter-occupied homes | 26.2% ±6.7 pts | 19.3% |
| Housing units | 3,307 ±211 | 4,876 |
| Single-family detached homes | 73.1% ±6.8 pts | 78.2% |
| Mobile homes | 0.0% ±1.3 pts | 1.6% |
| Built 2020 or later | 1.0% ±1.1 pts | 1.0% |
| Built 2010 to 2019 | 17.5% ±5.8 pts | 13.7% |
| Built 1939 or earlier | 14.4% ±4.7 pts | 12.5% |
| Households with no vehicle | 3.5% ±2.6 pts | 3.1% |
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 7121.01 get to work?
74.8% of Census Tract 7121.01's workers drive alone and 12.4% work from home. The average trip to work takes 38.0 minutes. The unemployment rate in 2020-2024 averaged 5.9%.
| Measure | Tract 7121.01 | Lunenburg |
|---|---|---|
| In the labor force (age 16+) | 67.0% ±5.0 pts | 67.1% |
| Unemployment rate | 5.9% ±3.7 pts | 5.0% |
| Drove alone to work | 74.8% ±7.1 pts | 72.0% |
| Carpooled | 7.1% ±4.6 pts | 7.5% |
| Public transportation | 4.4% ±4.4 pts | 3.5% |
| Walked | 1.2% ±1.1 pts | 1.2% |
| Worked from home | 12.4% ±4.3 pts | 15.8% |
| Mean travel time to work | 38.0 min ±6.6 | 36.1 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 7121.01 compare with the other tracts in Worcester County?
Among Worcester County's tracts with a reliable estimate, Census Tract 7121.01 ranks as shown below (1 = highest).
| Measure | In Worcester County |
|---|---|
| Population | 9th of 191 |
| Residents per square mile | 134th of 191 |
| Median household income | 83rd of 187 |
| Per capita income | 81st of 189 |
| Median home value | 64th of 185 |
| Median gross rent | 23rd of 178 |
| Poverty rate | 93rd of 122 |
| Bachelor's degree or higher | 81st of 188 |
| Median age | 68th of 191 |
| Owner-occupied share | 89th of 186 |
The tracts next to it on Worcester County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 7541 | 80th | $105,538±$10,523 · within the margin of this tract |
| Tract 7381 | 81st | $104,803±$20,974 · within the margin of this tract |
| Tract 7011.01 | 82nd | $104,507±$26,089 · within the margin of this tract |
| Tract 7121.01 | 83rd | $104,236±$9,110 |
| Tract 7292 | 84th | $103,359±$17,112 · within the margin of this tract |
| Tract 7351 | 85th | $102,289±$11,300 · within the margin of this tract |
| Tract 7022.01 | 86th | $102,109±$7,690 · 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 7121.01?
2 of the 18 figures for Census Tract 7121.01 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.
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