HomeMassachusettsMiddlesex CountyGroton
Groton, Massachusetts: commercial real estate data.
Groton is a Census CDP of 1,232 people across 1.67 square miles of land, in Middlesex County. Median household income is $135,714, 74.9 percent of occupied homes are owned, and the SBA record carries 11 7(a) approvals to borrowers here worth $1.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Groton
What Groton is
- Census place typeCDP
- Land area1.67 sq mi
- Water area0 sq mi
- Population per square mile of land737 plus or minus 168
- County holding the largest share of its areaMiddlesex County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Groton
How many people live in Groton
- Population1,232 plus or minus 281
- Median age44.1 plus or minus 19.1
- Population under 18333 plus or minus 132
- Share under 1827.0 percent plus or minus 8.7
- Population 65 and over255 plus or minus 120
- Share 65 and over20.7 percent plus or minus 8.5
- Households362 plus or minus 101
- Family households251 plus or minus 95
- Share of households that are families69.3 percent plus or minus 17.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Groton
Income and work in Groton
- Median household income$135,714 plus or minus $134,380
- Per capita income$50,274 plus or minus $12,108
- Civilian labor force527 plus or minus 191
- Employed489 plus or minus 183
- Unemployed38 plus or minus 36
- Unemployment rate7.2 percent plus or minus 6.3
- Adults 25 and over718 plus or minus 188
- Adults 25 and over with a high school diploma or higher90.4 percent
- Adults 25 and over with a bachelor degree or higher59.9 percent
- Adults 25 and over with a graduate degree27.2 percent plus or minus 12.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Groton
Housing in Groton
- Housing units394 plus or minus 110
- Occupied units362 plus or minus 101
- Vacant units32 plus or minus 47
- Vacancy rate8.1 percent plus or minus 11.7
- Owner occupied271 plus or minus 89
- Renter occupied91 plus or minus 49
- Ownership rate74.9 percent
- Median owner-occupied home value$758,500
- Median gross rent, monthly$349 plus or minus $154
- Annual rent as a share of median income3.1 percent plus or minus 3.3
- Single family units271 plus or minus 102
- Share single family68.8 percent plus or minus 17.4
- Units in buildings of two or more123 plus or minus 56
- Share in buildings of two or more31.2 percent plus or minus 11.1
- Mobile homes0
- Median year structure built1954
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Groton
How Groton gets to work
- Workers 16 and over who commute392 plus or minus 176
- Commuting under 15 minutes108 plus or minus 79
- Share commuting under 15 minutes27.6 percent plus or minus 16.0
- Commuting 30 minutes or more220 plus or minus 99
- Share commuting 30 minutes or more56.1 percent plus or minus 35.6
- Drove alone58.1 percent plus or minus 16.0
- Carpooled7.6 percent plus or minus 10.7
- Public transport2.9 percent plus or minus 4.8
- Walked11.7 percent plus or minus 10.8
- Worked from home19.8 percent plus or minus 8.4
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Groton
SBA loans in Groton (7(a))
- Approvals11
- Gross approval$1,359,400
- Average approval$123,582
- Median approval$100,000
- Largest approval$279,700
- Jobs supported59
- Jobs per approval5.4
- Loans with a final outcome2
- Paid in full2
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises9.1 percent
- Distinct lenders8
- Distinct industries by NAICS6
Counted by borrower city: approvals to borrowers whose address is in Groton, in any county, FY2020 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Groton
SBA loans in Groton (504)
- Approvals5
- Gross approval$1,476,000
- Average approval$295,200
- Median approval$177,000
- Largest approval$862,000
- Jobs supported51
- Loans with a final outcome1
- Charged off1
- Median term240 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in Groton, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Groton
Flood risk in Groton
- NFIP communityTown of Groton
- NFIP community number250194
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date07/08/25
The Town of Groton participates in the National Flood Insurance Program as community 250194 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Middlesex County, not Groton
Middlesex County context, not Groton figures
- Establishments in Middlesex County44,624
- Covered employment, Middlesex County926,104
- Average annual pay, Middlesex County$113,704
- Housing units permitted, Middlesex County3,495
Every figure in this section is published for Middlesex County as a whole and is not a measurement of Groton.
All Middlesex County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Groton questions, answered from the record.
How many people live in Groton, Massachusetts?
1,232, in 362 households. Groton CDP covers 1.67 square miles of land, which is 737 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Groton in?
Middlesex County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Groton?
$135,714. The median owner-occupied home is valued at $758,500. Median gross rent is $349 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Groton businesses?
11 7(a) approvals totaling $1.4 m since FY2020, across 8 lenders, median approval $100,000, plus 5 504 approvals worth $1.5 m since FY2010. These count approvals to borrowers whose address is in Groton, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Groton borrowers get paid back?
No rate is published for Groton. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Groton in the National Flood Insurance Program?
Yes. Groton appears in the FEMA Community Status Book as Groton, town of, community 250194, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Groton figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Middlesex County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Groton.
Is zoning published for Groton?
No. Nothing on this page presents parcel level zoning.
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