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HomeWisconsinRock CountyJanesville city

Janesville city, Wisconsin: commercial real estate data.

Janesville city is a Census city of 66,030 people across 34.64 square miles of land, in Rock County. Median household income is $73,446, 67.3 percent of occupied homes are owned, and the SBA record carries 45 7(a) approvals to borrowers here worth $33.4 m.

77 sourced place values · tier FULL · 8 sections

Janesville

What Janesville is

  • Census place typecity
  • Land area34.64 sq mi
  • Water area0.6 sq mi
  • Population per square mile of land1,906
  • County holding the largest share of its areaRock 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.

Janesville

How many people live in Janesville

  • Population66,030
  • Median age40.7
  • Population under 1814,021
  • Share under 1821.2 percent
  • Population 65 and over12,032
  • Share 65 and over18.2 percent
  • Households28,326
  • Family households17,206
  • Share of households that are families60.7 percent

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

Janesville

Income and work in Janesville

  • Median household income$73,446
  • Per capita income$37,762
  • Civilian labor force35,236
  • Employed33,788
  • Unemployed1,448 plus or minus 346
  • Unemployment rate4.1 percent plus or minus 1.0
  • Adults 25 and over46,424
  • Adults 25 and over with a high school diploma or higher94.4 percent
  • Adults 25 and over with a bachelor degree or higher27.3 percent
  • Adults 25 and over with a graduate degree8.5 percent

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

Janesville

Housing in Janesville

  • Housing units29,330
  • Occupied units28,326
  • Vacant units1,004 plus or minus 290
  • Vacancy rate3.4 percent plus or minus 1.0
  • Owner occupied19,069
  • Renter occupied9,257
  • Ownership rate67.3 percent
  • Median owner-occupied home value$223,400
  • Median gross rent, monthly$1,054
  • Annual rent as a share of median income17.2 percent
  • Single family units21,808
  • Share single family74.4 percent
  • Units in buildings of two or more6,905
  • Share in buildings of two or more23.5 percent
  • Mobile homes605 plus or minus 176
  • Median year structure built1972

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

Janesville

How Janesville gets to work

  • Workers 16 and over who commute30,190
  • Commuting under 15 minutes12,514
  • Share commuting under 15 minutes41.5 percent
  • Commuting 30 minutes or more7,899
  • Share commuting 30 minutes or more26.2 percent
  • Drove alone80.0 percent
  • Carpooled7.3 percent
  • Public transport0.6 percent plus or minus 0.3
  • Walked1.4 percent plus or minus 0.4
  • Worked from home9.5 percent

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

Janesville

SBA 7(a) lending to Janesville borrowers

  • Approvals45
  • Gross approval$33,439,000
  • Average approval$743,089
  • Median approval$408,000
  • Ninetieth percentile approval$1,785,000
  • Largest approval$3,465,900
  • Jobs supported458
  • Jobs per approval10.2
  • Loans with a final outcome10
  • Paid in full9
  • Charged off1
  • Charge-off rate over resolved loans10.0 percent
  • Median term120 months
  • Share on real estate terms of 20 years or more26.7 percent
  • Share to franchises20.0 percent
  • Distinct lenders24
  • Distinct industries by NAICS33

US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.

Janesville

SBA 504 lending to Janesville borrowers

  • Approvals23
  • Gross approval$17,011,000
  • Average approval$739,609
  • Median approval$566,000
  • Largest approval$2,204,000
  • Jobs supported181
  • Loans with a final outcome7
  • Charged off0
  • Median term240 months
  • Distinct CDCs2

US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.

Rock County, not Janesville

Rock County context, not Janesville figures

These are Rock County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Janesville measurements.

  • Establishments in Rock County3,362
  • Employment at those establishments, Rock County64,537
  • Covered employment, Rock County69,595
  • Average annual pay, Rock County$59,381
  • Average weekly wage, Rock County$1,142
  • Housing units permitted, Rock County628
  • Of those, single family, Rock County301
  • County product, 2024, Rock County$10,849,146,000
  • County product change over the prior year, Rock County4.0 percent
  • Average income of an arriving household, Rock County$55,005

Every figure in this section is published for Rock County as a whole and is not a measurement of Janesville. 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

Janesville questions, answered from the record.

How many people live in Janesville, Wisconsin?

66,030, in 28,326 households. Janesville city covers 34.64 square miles of land, which is 1,906 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Janesville in?

Rock 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 Janesville?

$73,446. The median owner-occupied home is valued at $223,400. Median gross rent is $1,054 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

How much SBA lending goes to Janesville businesses?

45 7(a) approvals totalling $33.4 m, across 24 lenders, median approval $408,000, plus 23 504 approvals worth $17.0 m. These count approvals to borrowers whose address is in Janesville, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.

Do SBA loans to Janesville borrowers get paid back?

Of the 10 loans that have reached a final outcome, 9 were paid in full and 1 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 Janesville figures?

No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Rock 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 Janesville.

Is zoning published for Janesville?

Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.