HomeSouth CarolinaDorchester CountySummerville
Summerville, South Carolina: commercial real estate data.
Summerville is a Census town of 51,654 people across 22.60 square miles of land, lying across Dorchester County and Berkeley County and Charleston County. Median household income is $81,046, 69.1 percent of occupied homes are owned, and the SBA record carries 141 7(a) approvals to borrowers here worth $79.0 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Summerville
What Summerville is
- Census place typetown
- Land area22.6 sq mi
- Water area0.14 sq mi
- Population per square mile of land2,286
- County holding the largest share of its areaDorchester County, 76.2 percent
- Counties this place lies inDorchester County 76.2 percent, Berkeley County 19.8 percent, Charleston County 4.0 percent
Summerville crosses a county line. The split above is measured from the Census boundary of the place against the county boundaries, by area, so it says where the ground is and not where the town hall is.
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Summerville
How many people live in Summerville
- Population51,654
- Median age38.9
- Population under 1811,801
- Share under 1822.8 percent
- Population 65 and over8,370
- Share 65 and over16.2 percent
- Households21,228
- Family households13,677
- Share of households that are families64.4 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Summerville
Income and work in Summerville
- Median household income$81,046
- Per capita income$41,538
- Civilian labor force27,631
- Employed26,288
- Unemployed1,343 plus or minus 469
- Unemployment rate4.9 percent plus or minus 1.7
- Adults 25 and over35,858
- Adults 25 and over with a high school diploma or higher93.4 percent
- Adults 25 and over with a bachelor degree or higher33.5 percent
- Adults 25 and over with a graduate degree13.6 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Summerville
Housing in Summerville
- Housing units22,776
- Occupied units21,228
- Vacant units1,548 plus or minus 406
- Vacancy rate6.8 percent plus or minus 1.8
- Owner occupied14,660
- Renter occupied6,568
- Ownership rate69.1 percent
- Median owner-occupied home value$328,100
- Median gross rent, monthly$1,526
- Annual rent as a share of median income22.6 percent
- Single family units16,093
- Share single family70.7 percent
- Units in buildings of two or more5,592
- Share in buildings of two or more24.6 percent
- Mobile homes1,091 plus or minus 348
- Median year structure built2001
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Summerville
How Summerville gets to work
- Workers 16 and over who commute23,483
- Commuting under 15 minutes3,859
- Share commuting under 15 minutes16.4 percent
- Commuting 30 minutes or more11,566
- Share commuting 30 minutes or more49.3 percent
- Drove alone79.5 percent
- Carpooled7.2 percent plus or minus 1.6
- Public transport0.1 percent plus or minus 0.2
- Walked1.0 percent plus or minus 0.7
- Worked from home10.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Summerville
SBA loans in Summerville (7(a))
- Approvals141
- Gross approval$79,048,900
- Average approval$560,630
- Median approval$254,000
- Ninetieth percentile approval$1,252,000
- Largest approval$4,762,800
- Jobs supported1,875
- Jobs per approval13.3
- Loans with a final outcome19
- Paid in full16
- Charged off3
- Median term120 months
- Share on real estate terms of 20 years or more10.6 percent
- Share to franchises18.4 percent
- Distinct lenders43
- Distinct industries by NAICS77
Counted by borrower city: approvals to borrowers whose address is in Summerville, in any county, FY2020 to FY2026. Only 19 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.
Summerville
SBA loans in Summerville (504)
- Approvals22
- Gross approval$25,956,000
- Average approval$1,179,818
- Median approval$663,000
- Largest approval$4,217,000
- Jobs supported396
- Loans with a final outcome7
- Charged off0
- Median term300 months
- Distinct CDCs6
Counted by borrower city: approvals to borrowers whose address is in Summerville, in any county, FY2010 to FY2026. Only 7 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.
Summerville
Flood risk in Summerville
- NFIP communityTown of Summerville
- NFIP community number450073
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date07/18/17
The Town of Summerville participates in the National Flood Insurance Program as community 450073 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.
Dorchester County, not Summerville
Dorchester County context, not Summerville figures
- Establishments in Dorchester County2,861
- Covered employment, Dorchester County41,444
- Average annual pay, Dorchester County$53,559
- Housing units permitted, Dorchester County1,192
Every figure in this section is published for Dorchester County as a whole and is not a measurement of Summerville.
All Dorchester 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
Summerville questions, answered from the record.
How many people live in Summerville, South Carolina?
51,654, in 21,228 households. Summerville town covers 22.60 square miles of land, which is 2,286 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Summerville in?
Summerville lies in more than one. By area it is 76.2 percent in Dorchester County, 19.8 percent in Berkeley County, 4.0 percent in Charleston County. This page sits under Dorchester County because that county holds the largest share. The split is measured from the Census boundary of the place against the county boundaries.
What is the median household income in Summerville?
$81,046. The median owner-occupied home is valued at $328,100. Median gross rent is $1,526 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Summerville businesses?
141 7(a) approvals totaling $79.0 m since FY2020, across 43 lenders, median approval $254,000, plus 22 504 approvals worth $26.0 m since FY2010. These count approvals to borrowers whose address is in Summerville, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Summerville borrowers get paid back?
No rate is published for Summerville. Only 19 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 Summerville in the National Flood Insurance Program?
Yes. Summerville appears in the FEMA Community Status Book as Summerville, town of, community 450073, 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 Summerville figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Dorchester 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 Summerville.
Is zoning published for Summerville?
No. Nothing on this page presents parcel level zoning.