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HomeSouth CarolinaCharleston CountyJames Island

James Island, South Carolina: commercial real estate data.

James Island is a Census town of 12,198 people across 4.84 square miles of land, in Charleston County. Median household income is $104,217, 87.5 percent of occupied homes are owned, and the SBA record carries 1 7(a) approvals to borrowers here worth $675,300 since FY2020.

Underlined figures are computed by MMCG Analytics, not published by the agency.

James Island

What James Island is

  • Census place typetown
  • Land area4.84 sq mi
  • Water area0.03 sq mi
  • Population per square mile of land2,520
  • County holding the largest share of its areaCharleston 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.

James Island

How many people live in James Island

  • Population12,198
  • Median age41.7
  • Population under 182,609
  • Share under 1821.4 percent
  • Population 65 and over2,168
  • Share 65 and over17.8 percent
  • Households4,666
  • Family households3,382
  • Share of households that are families72.5 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

James Island

Income and work in James Island

  • Median household income$104,217
  • Per capita income$52,756
  • Civilian labor force6,600
  • Employed6,524
  • Unemployed76 plus or minus 73
  • Unemployment rate1.2 percent plus or minus 1.1
  • Adults 25 and over9,041
  • Adults 25 and over with a high school diploma or higher95.6 percent
  • Adults 25 and over with a bachelor degree or higher49.5 percent
  • Adults 25 and over with a graduate degree16.5 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

James Island

Housing in James Island

  • Housing units4,971
  • Occupied units4,666
  • Vacant units305 plus or minus 187
  • Vacancy rate6.1 percent plus or minus 3.7
  • Owner occupied4,084
  • Renter occupied582 plus or minus 174
  • Ownership rate87.5 percent
  • Median owner-occupied home value$508,600
  • Median gross rent, monthly$1,695 plus or minus $703
  • Annual rent as a share of median income19.5 percent plus or minus 8.2
  • Single family units4,692
  • Share single family94.4 percent
  • Units in buildings of two or more168 plus or minus 118
  • Share in buildings of two or more3.4 percent plus or minus 2.4
  • Mobile homes93 plus or minus 84
  • Median year structure built1970

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

James Island

How James Island gets to work

  • Workers 16 and over who commute5,276
  • Commuting under 15 minutes1,305
  • Share commuting under 15 minutes24.7 percent
  • Commuting 30 minutes or more1,434 plus or minus 383
  • Share commuting 30 minutes or more27.2 percent plus or minus 6.6
  • Drove alone73.1 percent
  • Carpooled4.6 percent plus or minus 1.8
  • Public transport0.2 percent plus or minus 0.3
  • Walked1.7 percent plus or minus 2.0
  • Worked from home18.2 percent plus or minus 5.0

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

James Island

SBA loans in James Island (7(a))

  • Approvals1
  • Gross approval$675,300
  • Average approval$675,300
  • Median approval$675,300
  • Largest approval$675,300
  • Jobs supported0
  • Jobs per approval0.0
  • Loans with a final outcome0
  • Paid in full0
  • Charged off0
  • Median term126 months
  • Share on real estate terms of 20 years or more0.0 percent
  • Share to franchises100.0 percent
  • Distinct lenders1
  • Distinct industries by NAICS1

Counted by borrower city: approvals to borrowers whose address is in James Island, in any county, FY2020 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, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.

James Island

Flood risk in James Island

  • NFIP communityTown of James Island
  • NFIP community number450263
  • Participating in the NFIPYes
  • Community Rating System classClass 5
  • Currently effective map date01/29/21

The Town of James Island participates in the National Flood Insurance Program as community 450263 and carries Community Rating System class 5, a flood insurance premium discount for policies written there.

Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.

Charleston County, not James Island

Charleston County context, not James Island figures

  • Establishments in Charleston County15,801
  • Covered employment, Charleston County278,476
  • Average annual pay, Charleston County$68,271
  • Housing units permitted, Charleston County4,153

Every figure in this section is published for Charleston County as a whole and is not a measurement of James Island.

All Charleston 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

James Island questions, answered from the record.

How many people live in James Island, South Carolina?

12,198, in 4,666 households. James Island town covers 4.84 square miles of land, which is 2,520 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is James Island in?

Charleston 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 James Island?

$104,217. The median owner-occupied home is valued at $508,600. Median gross rent is $1,695 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to James Island businesses?

1 7(a) approvals totaling $675,300 since FY2020, across 1 lenders, median approval $675,300. These count approvals to borrowers whose address is in James Island, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to James Island borrowers get paid back?

No rate is published for James Island. Only 0 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 James Island in the National Flood Insurance Program?

Yes. James Island appears in the FEMA Community Status Book as James Island, town of, community 450263, carrying Community Rating System class 5, which is a premium discount for exceeding the program minimum. 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 James Island figures?

No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Charleston 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 James Island.

Is zoning published for James Island?

No. Nothing on this page presents parcel level zoning.