HomeMassachusettsBarnstable CountySouth Dennis
South Dennis, Massachusetts: commercial real estate data.
South Dennis is a Census CDP of 3,135 people across 4.55 square miles of land, in Barnstable County. Median household income is $88,411, 82.7 percent of occupied homes are owned, and the SBA record carries 15 7(a) approvals to borrowers here worth $5.8 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
South Dennis
What South Dennis is
- Census place typeCDP
- Land area4.55 sq mi
- Water area0.2 sq mi
- Population per square mile of land689
- County holding the largest share of its areaBarnstable 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.
South Dennis
How many people live in South Dennis
- Population3,135
- Median age57.6
- Population under 18327 plus or minus 152
- Share under 1810.4 percent plus or minus 4.6
- Population 65 and over1,122
- Share 65 and over35.8 percent
- Households1,597
- Family households921
- Share of households that are families57.7 percent plus or minus 11.8
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
South Dennis
Income and work in South Dennis
- Median household income$88,411
- Per capita income$49,995
- Civilian labor force1,702
- Employed1,638
- Unemployed64 plus or minus 77
- Unemployment rate3.8 percent plus or minus 4.5
- Adults 25 and over2,674
- Adults 25 and over with a high school diploma or higher97.5 percent
- Adults 25 and over with a bachelor degree or higher43.3 percent
- Adults 25 and over with a graduate degree14.3 percent plus or minus 4.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
South Dennis
Housing in South Dennis
- Housing units2,616
- Occupied units1,597
- Vacant units1,019
- Vacancy rate39.0 percent
- Owner occupied1,321
- Renter occupied276 plus or minus 138
- Ownership rate82.7 percent
- Median owner-occupied home value$495,700
- Median gross rent, monthly$2,003 plus or minus $1,005
- Annual rent as a share of median income27.2 percent plus or minus 14.2
- Single family units2,350
- Share single family89.8 percent
- Units in buildings of two or more142 plus or minus 77
- Share in buildings of two or more5.4 percent plus or minus 2.9
- Mobile homes124 plus or minus 119
- Median year structure built1975
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
South Dennis
How South Dennis gets to work
- Workers 16 and over who commute1,473
- Commuting under 15 minutes485 plus or minus 149
- Share commuting under 15 minutes32.9 percent plus or minus 7.8
- Commuting 30 minutes or more482 plus or minus 162
- Share commuting 30 minutes or more32.7 percent plus or minus 8.9
- Drove alone77.1 percent
- Carpooled13.3 percent plus or minus 7.1
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home9.5 percent plus or minus 6.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
South Dennis
SBA loans in South Dennis (7(a))
- Approvals15
- Gross approval$5,794,500
- Average approval$386,300
- Median approval$85,000
- Largest approval$2,023,900
- Jobs supported176
- Jobs per approval11.7
- Loans with a final outcome3
- Paid in full3
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises0.0 percent
- Distinct lenders5
- Distinct industries by NAICS8
Counted by borrower city: approvals to borrowers whose address is in South Dennis, in any county, FY2020 to FY2026. Only 3 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.
South Dennis
SBA loans in South Dennis (504)
- Approvals3
- Gross approval$1,216,000
- Average approval$405,333
- Median approval$425,000
- Largest approval$578,000
- Jobs supported16
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in South Dennis, in any county, FY2010 to FY2026. Only 0 loans have 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.
Barnstable County, not South Dennis
Barnstable County context, not South Dennis figures
- Establishments in Barnstable County8,957
- Covered employment, Barnstable County96,280
- Average annual pay, Barnstable County$64,707
- Housing units permitted, Barnstable County640
Every figure in this section is published for Barnstable County as a whole and is not a measurement of South Dennis.
All Barnstable 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
South Dennis questions, answered from the record.
How many people live in South Dennis, Massachusetts?
3,135, in 1,597 households. South Dennis CDP covers 4.55 square miles of land, which is 689 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is South Dennis in?
Barnstable 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 South Dennis?
$88,411. The median owner-occupied home is valued at $495,700. Median gross rent is $2,003 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to South Dennis businesses?
15 7(a) approvals totaling $5.8 m since FY2020, across 5 lenders, median approval $85,000, plus 3 504 approvals worth $1.2 m since FY2010. These count approvals to borrowers whose address is in South Dennis, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to South Dennis borrowers get paid back?
No rate is published for South Dennis. Only 3 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.
Are the county figures on this page South Dennis figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Barnstable 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 South Dennis.
Is zoning published for South Dennis?
No. Nothing on this page presents parcel level zoning.