HomeNew JerseyMercer CountyPrinceton
Princeton, New Jersey: commercial real estate data.
Princeton is a Census place of 30,756 people across 17.95 square miles of land, in Mercer County. Median household income is $192,079, 55.4 percent of occupied homes are owned, and the SBA record carries 114 7(a) approvals to borrowers here worth $53.5 m.
77 sourced place values · tier FULL · 8 sections · underlined figures are computed by MMCG Analytics, not published by the agency
Princeton
What Princeton is
- Census place typeplace
- Land area17.95 sq mi
- Water area0.47 sq mi
- Population per square mile of land1,714
- County holding the largest share of its areaMercer 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.
Princeton
How many people live in Princeton
- Population30,756
- Median age28.5
- Population under 185,789
- Share under 1818.8 percent
- Population 65 and over3,999
- Share 65 and over13.0 percent
- Households9,300
- Family households6,294
- Share of households that are families67.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Princeton
Income and work in Princeton
- Median household income$192,079
- Per capita income$87,301
- Civilian labor force16,297
- Employed15,591
- Unemployed706 plus or minus 193
- Unemployment rate4.3 percent plus or minus 1.2
- Adults 25 and over17,082
- Adults 25 and over with a high school diploma or higher97.7 percent
- Adults 25 and over with a bachelor degree or higher84.7 percent
- Adults 25 and over with a graduate degree56.8 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Princeton
Housing in Princeton
- Housing units9,906
- Occupied units9,300
- Vacant units606 plus or minus 220
- Vacancy rate6.1 percent plus or minus 2.2
- Owner occupied5,149
- Renter occupied4,151
- Ownership rate55.4 percent
- Median owner-occupied home value$1,050,600
- Median gross rent, monthly$2,636
- Annual rent as a share of median income16.5 percent
- Single family units6,976
- Share single family70.4 percent
- Units in buildings of two or more2,927
- Share in buildings of two or more29.5 percent
- Mobile homes3 plus or minus 7
- Median year structure built1965
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Princeton
How Princeton gets to work
- Workers 16 and over who commute10,011
- Commuting under 15 minutes4,387
- Share commuting under 15 minutes43.8 percent
- Commuting 30 minutes or more2,355
- Share commuting 30 minutes or more23.5 percent
- Drove alone32.1 percent
- Carpooled2.1 percent plus or minus 0.8
- Public transport7.7 percent plus or minus 1.8
- Walked19.9 percent
- Worked from home32.7 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Princeton
SBA loans in Princeton (7(a))
- Approvals114
- Gross approval$53,512,400
- Average approval$469,407
- Median approval$236,000
- Ninetieth percentile approval$1,145,800
- Largest approval$4,900,000
- Jobs supported1,315
- Jobs per approval11.5
- Loans with a final outcome20
- Paid in full18
- Charged off2
- Charge-off rate over resolved loans10.0 percent
- Median term120 months
- Share on real estate terms of 20 years or more5.3 percent
- Share to franchises12.3 percent
- Distinct lenders39
- Distinct industries by NAICS54
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Princeton
SBA loans in Princeton (504)
- Approvals4
- Gross approval$3,000,000
- Average approval$750,000
- Median approval$1,083,000
- Largest approval$1,159,000
- Jobs supported52
- Loans with a final outcome2
- Charged off0
- Median term240 months
- Distinct CDCs1
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Mercer County, not Princeton
Mercer County context, not Princeton figures
These are Mercer County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Princeton measurements.
- Establishments in Mercer County9,683
- Employment at those establishments, Mercer County208,192
- Covered employment, Mercer County264,154
- Average annual pay, Mercer County$90,503
- Average weekly wage, Mercer County$1,740
- Housing units permitted, Mercer County2,026
- Of those, single family, Mercer County827
- County product, 2024, Mercer County$56,806,586,000
- County product change over the prior year, Mercer County4.4 percent
- Average income of an arriving household, Mercer County$120,760
Every figure in this section is published for Mercer County as a whole and is not a measurement of Princeton. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.
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. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- This place is not listed as a community in the FEMA Community Status Book, so no NFIP participation or CRS class is shown.
- Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.
SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.
Common questions
Princeton questions, answered from the record.
How many people live in Princeton, New Jersey?
30,756, in 9,300 households. Princeton covers 17.95 square miles of land, which is 1,714 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Princeton in?
Mercer 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 Princeton?
$192,079. The median owner-occupied home is valued at $1,050,600. Median gross rent is $2,636 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Princeton businesses?
114 7(a) approvals totalling $53.5 m, across 39 lenders, median approval $236,000, plus 4 504 approvals worth $3.0 m. These count approvals to borrowers whose address is in Princeton, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Princeton borrowers get paid back?
Of the 20 loans that have reached a final outcome, 18 were paid in full and 2 charged off, a charge off rate of 10.0 percent. Loans still running are excluded because they have not yet succeeded or failed.
Are the county figures on this page Princeton figures?
No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Mercer 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 Princeton.
Is zoning published for Princeton?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.