Housing data for Janesville, IA
Janesville, IA has an estimated 917 residents and 429 homes (US Census Bureau, 2020–2024 American Community Survey).
It is a city in Bremer County.
8.6% of households rent.
The median gross rent is $717 a month.
Figures last updated on .
- Residents
- 917 (±177)
- Housing units
- 429 (±83)
- Households that rent
- 8.6%
- Median gross rent
- $717
- Residents since 2015–2019
- −6.5%
What stands out in Janesville
Homes in buildings of 5 or more units: 0.7% (±8.1 points) in Janesville, lower than in Bremer County (9.3%).
Households that rent: 8.6% (±4.4 points) in Janesville, lower than in Bremer County (20.3%).
Households that moved in since 2020: 13.0% (±6.2 points) in Janesville, lower than in Bremer County (20.3%).
Housing in Janesville at a glance
- Median rent: $717 median gross rent a month (Small sample: wide margin of error)
- Rent burden: 39.3% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 8.6% of households rent (Small sample: wide margin of error)
- Income and affordability: $103,542 median household income
- Home values: $221,700 median home value
- Homeowner costs: $1,572 median monthly cost with a mortgage
- Property taxes: $3,130 median real estate taxes a year
- Types of homes: 0.7% of homes are in buildings of 5 or more units
- Bedrooms: 76.0% of homes have 3 or more bedrooms
- Age of homes: 59.0% of homes were built before 1980
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 65.9% heat with utility gas
- Commute and cars: 20.1 minutes average trip to work
- Growth: −6.5% residents since 2015–2019 (Small sample: wide margin of error)
- How long people stay: 13.0% moved in since 2020
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Janesville against Bremer County, its state and the nation
| Janesville | Bremer County | Iowa | United States | |
|---|---|---|---|---|
| Residents | 917 (±177) | 25,204 (exact) | 3,210,507 (exact) | 334,922,499 |
| Housing units | 429 (±83) | 10,585 (±48) | 1,437,699 (±523) | 143,775,355 |
| Households that rent | 8.6% (±4.4 points) | 20.3% (±2.4 points) | 28.3% (±0.3 points) | 34.8% |
| Median gross rent | $717 (±$326) | $921 (±$78) | $972 (±$6) | $1,413 |
| Median household income | $103,542 (±$19,498) | $86,784 (±$2,629) | $75,059 (±$418) | $80,734 |
| Median home value | $221,700 (±$18,926) | $219,600 (±$8,757) | $208,000 (±$1,141) | $332,700 |
| Median real estate taxes (a year) | $3,130 (±$325) | $2,824 (±$105) | $2,897 (±$13) | $3,119 |
| Built before 1980 | 59.0% (±15.8 points) | 67.7% (±3.9 points) | 61.5% (±0.4 points) | 49.7% |
| Average commute | 20.1 minutes (±2.3) | 20.1 minutes (±1.0) | 19.8 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 98.3% (±2.5 points) | 92.6% (±1.2 points) | 88.9% (±0.2 points) | 91.0% |
| Median age of residents | 47.0 years (±7.4) | 39.0 years (±0.7) | 38.6 years (±0.2) | 38.9 years |
Janesville covers 1.4 square miles of land, about 660 residents per square mile (Census Bureau Gazetteer).
How Janesville has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 981 (±124) | 917 (±177) | −6.5% | Not a measurable change |
| Housing units | 440 (±60) | 429 (±83) | −2.5% | Not a measurable change |
| Median gross rent | $625 (±$302) | $717 (±$326) | +14.7% | No measurable change after inflation |
| Median home value | $167,200 (±$10,459) | $221,700 (±$18,926) | +32.6% | No measurable change after inflation |
| Median household income | $63,750 (±$17,811) | $103,542 (±$19,498) | +62.4% | No measurable change after inflation |
| Median owner cost with a mortgage | $1,341 (±$117) | $1,572 (±$87) | +17.2% | No measurable change after inflation |
| Median real estate taxes | $2,310 (±$299) | $3,130 (±$325) | +35.5% | No measurable change after inflation |
| Households that rent | 14.4% (±6.8 points) | 8.6% (±4.4 points) | −5.8 percentage points | Not a measurable change |
| Rental vacancy rate | 0.0% (±30.3 points) | 0.0% (±46.7 points) | 0.0 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Bremer County
Janesville has no police department of its own in the FBI’s figures, so this is the figure for Bremer County as a whole.
In 2025, the police departments that report for Bremer County recorded 75 violent and 569 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
Places near Janesville
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Waverly | 5.3 mi | $1,057 | $223,300 | 31.0% |
| Denver | 6.7 mi | $859 | $229,200 | 17.6% |
| Shell Rock | 7.6 mi | $931 | $163,100 | 15.1% |
| Cedar Falls | 8.8 mi | $1,203 | $263,600 | 36.0% |
| New Hartford | 9.7 mi | $875 | $114,700 | 15.9% |
| Waterloo | 12 mi | $923 | $152,600 | 37.9% |
| Readlyn | 13 mi | $588 | $168,400 | 18.9% |
| Clarksville | 14 mi | $728 | $125,900 | 22.0% |
Places in Iowa most like Janesville
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Dike | $711 | $247,800 | $91,146 | 11.4% |
| Alton | $813 | $218,900 | $98,036 | 12.2% |
| Gilbert | $865 | $274,600 | $122,656 | 13.2% |
| Gilbertville | $643 | $197,400 | $79,583 | 13.6% |
| Alburnett | $591 | $199,200 | $105,357 | 14.7% |
| Mount Vernon | $780 | $245,200 | $112,656 | 13.7% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across Iowa.
HUD Fair Market Rent for Janesville, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $712 | $782 | $1,023 | $1,343 | $1,349 |
HUD income limits for Janesville, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $22,750 | $37,950 | $60,700 |
| 2 people | $26,000 | $43,350 | $69,350 |
| 3 people | $29,250 | $48,750 | $78,000 |
| 4 people | $33,000 | $54,150 | $86,650 |
| 5 people | $38,680 | $58,500 | $93,600 |
| 6 people | $44,360 | $62,850 | $100,550 |
| 7 people | $50,040 | $67,150 | $107,450 |
| 8 people | $55,720 | $71,500 | $114,400 |
These are the limits HUD sets for its housing programs in the Bremer County, IA HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $108,300.
A program can use its own limits; tax-credit and local programs often do.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Janesville
What is the median household income in Janesville?
The median household income in Janesville is $103,542 (±$19,498) a year (2020–2024 American Community Survey).
What is the average home value in Janesville, IA?
The Census Bureau publishes the median: $221,700 (±$18,926) for owner-occupied homes in Janesville (2020–2024 American Community Survey).
What is the average mortgage payment in Janesville?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Janesville, IA is $1,572 (±$87) a month, including taxes, insurance and utilities.
How much are property taxes in Janesville?
The median real estate tax paid by homeowners in Janesville, IA is $3,130 (±$325) a year (2020–2024 American Community Survey).
How many homes are in Janesville?
Janesville, IA has an estimated 429 (±83) housing units, occupied and vacant (2020–2024 American Community Survey).
What is the most common home size in Janesville?
The most common size is 3 bedrooms, 50.1% of homes in Janesville, IA.
Is Janesville growing?
In Janesville, the number of residents went from 981 in 2015–2019 to 917 in 2020–2024 (−6.5%), not a measurable change.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Janesville city, Iowa
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Janesville city, Iowa
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Janesville city, Iowa
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Janesville city, Iowa
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Janesville city, Iowa
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Janesville city, Iowa
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Janesville city, Iowa
- HUD Fair Market Rents, fiscal year 2027: Bremer County, IA HUD Metro FMR Area
- HUD Income Limits, fiscal year 2026: Bremer County, IA HUD Metro FMR Area
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Janesville city, Iowa (place:39405, in state:19).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .