HomeNew JerseyMiddlesex CountyJamesburg
Jamesburg, New Jersey: commercial real estate data.
Jamesburg is a Census borough of 5,770 people across 0.88 square miles of land, in Middlesex County. Median household income is $110,972, 72.0 percent of occupied homes are owned, and the SBA record carries 19 7(a) approvals to borrowers here worth $11.1 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Jamesburg
What Jamesburg is
- Census place typeborough
- Land area0.88 sq mi
- Water area0.01 sq mi
- Population per square mile of land6,540
- 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.
Jamesburg
How many people live in Jamesburg
- Population5,770
- Median age34.7
- Population under 181,375 plus or minus 333
- Share under 1823.8 percent plus or minus 5.8
- Population 65 and over686 plus or minus 207
- Share 65 and over11.9 percent plus or minus 3.6
- Households2,033
- Family households1,492
- Share of households that are families73.4 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jamesburg
Income and work in Jamesburg
- Median household income$110,972 plus or minus $23,717
- Per capita income$42,921
- Civilian labor force3,388
- Employed3,270
- Unemployed118 plus or minus 98
- Unemployment rate3.5 percent plus or minus 2.9
- Adults 25 and over3,900
- Adults 25 and over with a high school diploma or higher81.4 percent
- Adults 25 and over with a bachelor degree or higher33.5 percent plus or minus 8.2
- Adults 25 and over with a graduate degree7.9 percent plus or minus 3.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jamesburg
Housing in Jamesburg
- Housing units2,118
- Occupied units2,033
- Vacant units85 plus or minus 121
- Vacancy rate4.0 percent plus or minus 5.7
- Owner occupied1,463
- Renter occupied570 plus or minus 166
- Ownership rate72.0 percent
- Median owner-occupied home value$367,200
- Median gross rent, monthly$1,957
- Annual rent as a share of median income21.2 percent plus or minus 5.6
- Single family units1,498
- Share single family70.7 percent
- Units in buildings of two or more620 plus or minus 295
- Share in buildings of two or more29.3 percent plus or minus 13.4
- Mobile homes0
- Median year structure built1978
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jamesburg
How Jamesburg gets to work
- Workers 16 and over who commute2,399
- Commuting under 15 minutes772 plus or minus 283
- Share commuting under 15 minutes32.2 percent plus or minus 10.9
- Commuting 30 minutes or more715 plus or minus 214
- Share commuting 30 minutes or more29.8 percent plus or minus 7.9
- Drove alone58.0 percent plus or minus 11.8
- Carpooled7.2 percent plus or minus 4.1
- Public transport1.6 percent plus or minus 1.5
- Walked1.9 percent plus or minus 2.2
- Worked from home24.7 percent plus or minus 10.4
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Jamesburg
SBA loans in Jamesburg (7(a))
- Approvals19
- Gross approval$11,108,500
- Average approval$584,658
- Median approval$150,000
- Largest approval$5,000,000
- Jobs supported113
- Jobs per approval5.9
- Loans with a final outcome3
- Paid in full3
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more15.8 percent
- Share to franchises0.0 percent
- Distinct lenders11
- Distinct industries by NAICS14
Counted by borrower city: approvals to borrowers whose address is in Jamesburg, 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.
Jamesburg
SBA loans in Jamesburg (504)
- Approvals1
- Gross approval$475,000
- Average approval$475,000
- Median approval$475,000
- Largest approval$475,000
- Jobs supported5
- Loans with a final outcome0
- Charged off0
- Median term240 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Jamesburg, 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.
Jamesburg
Flood risk in Jamesburg
- NFIP communityBorough of Jamesburg
- NFIP community number340264
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date07/06/10
The Borough of Jamesburg participates in the National Flood Insurance Program as community 340264 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 Jamesburg
Middlesex County context, not Jamesburg figures
- Establishments in Middlesex County22,314
- Covered employment, Middlesex County430,555
- Average annual pay, Middlesex County$82,400
- Housing units permitted, Middlesex County1,792
Every figure in this section is published for Middlesex County as a whole and is not a measurement of Jamesburg.
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
Jamesburg questions, answered from the record.
How many people live in Jamesburg, New Jersey?
5,770, in 2,033 households. Jamesburg borough covers 0.88 square miles of land, which is 6,540 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Jamesburg 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 Jamesburg?
$110,972. The median owner-occupied home is valued at $367,200. Median gross rent is $1,957 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Jamesburg businesses?
19 7(a) approvals totaling $11.1 m since FY2020, across 11 lenders, median approval $150,000, plus 1 504 approvals worth $475,000 since FY2010. These count approvals to borrowers whose address is in Jamesburg, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Jamesburg borrowers get paid back?
No rate is published for Jamesburg. 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.
Is Jamesburg in the National Flood Insurance Program?
Yes. Jamesburg appears in the FEMA Community Status Book as Jamesburg, borough of, community 340264, 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 Jamesburg 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 Jamesburg.
Is zoning published for Jamesburg?
No. Nothing on this page presents parcel level zoning.