HomeIowaBremer CountyJanesville
Janesville, Iowa: commercial real estate data.
Janesville is a Census city of 917 people across 1.39 square miles of land, lying across Bremer County and Black Hawk County. Median household income is $103,542, 91.4 percent of occupied homes are owned, and the SBA record carries 3 7(a) approvals to borrowers here worth $1.5 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Janesville
What Janesville is
- Census place typecity
- Land area1.39 sq mi
- Water area0.06 sq mi
- Population per square mile of land660
- County holding the largest share of its areaBremer County, 75.4 percent
- Counties this place lies inBremer County 75.4 percent, Black Hawk County 24.6 percent
Janesville 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.
Janesville
How many people live in Janesville
- Population917
- Median age47.0
- Population under 18194 plus or minus 57
- Share under 1821.2 percent plus or minus 4.7
- Population 65 and over142 plus or minus 35
- Share 65 and over15.5 percent
- Households361
- Family households280 plus or minus 62
- Share of households that are families77.6 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$103,542
- Per capita income$42,115
- Civilian labor force550 plus or minus 135
- Employed534 plus or minus 135
- Unemployed16 plus or minus 13
- Unemployment rate2.9 percent plus or minus 2.3
- Adults 25 and over691 plus or minus 140
- Adults 25 and over with a high school diploma or higher98.7 percent plus or minus 26.2
- Adults 25 and over with a bachelor degree or higher28.9 percent
- Adults 25 and over with a graduate degree4.6 percent plus or minus 2.8
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Janesville
Housing in Janesville
- Housing units429
- Occupied units361
- Vacant units68 plus or minus 50
- Vacancy rate15.9 percent plus or minus 11.2
- Owner occupied330 plus or minus 67
- Renter occupied31 plus or minus 17
- Ownership rate91.4 percent
- Median owner-occupied home value$221,700
- Median gross rent, monthly$717 plus or minus $326
- Annual rent as a share of median income8.3 percent plus or minus 4.1
- Single family units394
- Share single family91.8 percent
- Units in buildings of two or more23 plus or minus 17
- Share in buildings of two or more5.4 percent plus or minus 3.7
- Mobile homes12 plus or minus 11
- Median year structure built1974
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 commute474 plus or minus 129
- Commuting under 15 minutes117 plus or minus 44
- Share commuting under 15 minutes24.7 percent plus or minus 6.4
- Commuting 30 minutes or more67 plus or minus 28
- Share commuting 30 minutes or more14.1 percent plus or minus 4.5
- Drove alone79.2 percent plus or minus 28.3
- Carpooled9.5 percent plus or minus 8.9
- Public transport0.0 percent
- Walked2.9 percent plus or minus 3.2
- Worked from home8.5 percent plus or minus 4.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Janesville
SBA loans in Janesville (7(a))
- Approvals3
- Gross approval$1,519,800
- Average approval$506,600
- Median approval$269,800
- Largest approval$1,000,000
- Jobs supported48
- Jobs per approval16.0
- Loans with a final outcome2
- Paid in full2
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more33.3 percent
- Share to franchises33.3 percent
- Distinct lenders2
- Distinct industries by NAICS2
Counted by borrower city: approvals to borrowers whose address is in Janesville, in any county, FY2020 to FY2026. Only 2 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.
Janesville
Flood risk in Janesville
- NFIP communityCity of Janesville
- NFIP community number190023
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date01/29/21
The City of Janesville participates in the National Flood Insurance Program as community 190023 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.
Bremer County, not Janesville
Bremer County context, not Janesville figures
- Establishments in Bremer County552
- Covered employment, Bremer County9,685
- Average annual pay, Bremer County$52,555
- Housing units permitted, Bremer County37
Every figure in this section is published for Bremer County as a whole and is not a measurement of Janesville.
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
Janesville questions, answered from the record.
How many people live in Janesville, Iowa?
917, in 361 households. Janesville city covers 1.39 square miles of land, which is 660 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?
Janesville lies in more than one. By area it is 75.4 percent in Bremer County, 24.6 percent in Black Hawk County. This page sits under Bremer 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 Janesville?
$103,542. The median owner-occupied home is valued at $221,700. Median gross rent is $717 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?
3 7(a) approvals totaling $1.5 m since FY2020, across 2 lenders, median approval $269,800. 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?
No rate is published for Janesville. Only 2 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 Janesville in the National Flood Insurance Program?
Yes. Janesville appears in the FEMA Community Status Book as Janesville, city of, community 190023, 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 Janesville figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Bremer 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?
No. Nothing on this page presents parcel level zoning.
Nearby