Rental numbers for Rock County, WI
The typical home here runs -$1,232 a month at 7.78% with 25% down. 0 of 4 ZIP codes with full Zillow data in this county are cash-flow positive; the median gross yield is 5.2%.
- Gross yield
- 5.1%
- typical home, Zillow
- Median ZIP yield
- 5.2%
- 4 ZIPs with full data
- Cash flow
- -$1,232/mo
- at 7.78%, 25% down
- Typical price
- $300,000
- Zillow ZHVI, Aug 2026
- Typical rent
- $1,286/mo
- Zillow ZORI, Aug 2026
ZIP codes in Rock County
11 with published figures
| 53511Beloit | $223,000 | $1,402 | 7.5% | 3.5% | -$541 | +6.2% |
| 53563Milton | $389,000 | $1,895 | 5.9% | 2.3% | -$1,362 | n/a |
| 53505Bradford | $399,000 | $1,870* | 5.6% | 2.5% | -$1,321 | n/a |
| 53576Orfordville | $315,000 | $1,410* | 5.4% | 1.7% | -$1,250 | n/a |
| 53537Footville | $262,000 | $1,050* | 4.8% | 0.7% | -$1,252 | n/a |
| 53525Clinton | $327,000 | $1,280* | 4.7% | 1.1% | -$1,452 | n/a |
| 53546La Prairie | $326,000 | $1,270* | 4.7% | 1.0% | -$1,471 | n/a |
| 53534Edgerton | $355,000 | $1,360* | 4.6% | 1.2% | -$1,556 | n/a |
| 53545Janesville | $288,000 | $1,086 | 4.5% | 1.0% | -$1,316 | +7.9% |
| 53548Janesville | $289,000 | $1,090 | 4.5% | 0.9% | -$1,332 | n/a |
| 53536Evansville | $391,000 | $1,210* | 3.7% | 0.4% | -$1,991 | n/a |
* HUD Fair Market Rent, 2 bedroom, where Zillow publishes no rent index. Conservative.
Trends
Five years to August 2026
- Price, 12 months
- +6.5%
- Rent, 12 months
- +7.0%
- Rent minus price growth
- +0.5 pts
- Property tax
- 1.60%
- effective rate, ACS 2024
Show the numbers
| Month | Typical value | Rent |
|---|---|---|
| Aug 2021 | $215,188 | n/a |
| Aug 2022 | $233,583 | $997 |
| Aug 2023 | $248,683 | $1,067 |
| Aug 2024 | $265,315 | $1,133 |
| Aug 2025 | $281,318 | $1,202 |
| Aug 2026 | $299,602 | $1,286 |
HUD Fair Market Rent
FY2027, Janesville-Beloit, WI MSA
| Bedrooms | Studio | 1 bed | 2 bed | 3 bed | 4 bed |
|---|---|---|---|---|---|
| Fair Market Rent | $976 | $998 | $1,280 | $1,621 | $1,682 |
The 40th percentile gross rent for a standard unit, set by HUD each October and used for Section 8 payment standards. It runs below market rent; Zillow's index is shown above where it exists.
Supply
- Permits per 1,000 households
- 6.2
- 413 units, last 12 months
- National percentile
- 54th
- among US counties
Tools
Test a listing in Rock County against today's rate.
Open the calculatorPart of the Janesville, WI metro.
Questions
- Is Rock County good for rental property?
- The typical home here runs -$1,232 a month at 7.78% with 25% down. 0 of 4 ZIP codes with full Zillow data in this county are cash-flow positive; the median gross yield is 5.2%. The figures use a typical home, 7.78% with 25% down and default costs shown on each ZIP page. They describe the market, not any one property.
- What is the property tax rate in Rock County?
- About 1.60% of value, from Census ACS median taxes paid over median home value. On a $300,000 home that is about $4,791 a year.
- What is Fair Market Rent in Rock County?
- HUD's FY2027 Fair Market Rent here is $998 for a 1-bedroom, $1,280 for a 2-bedroom and $1,621 for a 3-bedroom. Typical cash flow at today's rate is -$1,232 a month.
Sources and method
- Zillow Home Value Index (ZHVI), mid tier, smoothed and seasonally adjusted
Zillow Research. Read: 2026-08.
Typical home value by ZIP, county, metro and state, and the price trend.
- Zillow Observed Rent Index (ZORI), all homes plus multifamily, smoothed
Zillow Research. Read: 2026-08.
Typical market rent by ZIP, county and metro, and the rent trend (tier A pages).
- HUD Small Area Fair Market Rents, FY2026
US Department of Housing and Urban Development. Read: FY2026.
Rent by bedroom count for every ZIP. The rent used on tier B pages, and a reference on all pages. It is the 40th percentile gross rent, so it runs below market.
- HUD Fair Market Rents by county, FY2027
US Department of Housing and Urban Development. Read: FY2027.
County rent by bedroom count on county pages.
- American Community Survey 5-year estimates, 2020 to 2024 (B25103 median real estate taxes paid, B25077 median home value, B11001 households)
US Census Bureau. Read: 2020 to 2024.
Effective property tax rate (median taxes paid divided by median value) by ZIP code tabulation area, county and state; households for the permits ratio.
- Freddie Mac Primary Mortgage Market Survey, 30-year fixed (FRED series MORTGAGE30US)
Freddie Mac via the Federal Reserve Bank of St. Louis. Read: 2026-09-24.
The weekly 30-year rate. The site adds a disclosed investor premium to it for the loan payment.
- Building Permits Survey, county monthly files
US Census Bureau. Read: 2025-09 to 2026-08.
New housing units permitted in the last 12 months per 1,000 households, a supply-pressure signal.
Data: Zillow Research (ZHVI, ZORI), HUD, US Census Bureau, Freddie Mac. Every formula is on the methodology page.
Estimates from public data for a typical property. Not investment, tax or legal advice. Your property, financing and costs will differ.