Property tax in Rock County, Minnesota
The median property tax bill in Rock County, Minnesota is $1,590 a year, which is about 0.71% of the county's median home value of $224,300. That effective rate is lower than the typical Minnesota county (0.99%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Estimate the property tax on a home in Rock County
Enter a home's market value for a ballpark at Rock County's average effective rate of 0.71% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $1,593 / year
Property tax in Rock County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $1,590 |
| Median home value | $224,300 |
| Effective tax rate | 0.71% |
| Typical Minnesota county rate | 0.99% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Rock County compare in Minnesota?
Among Minnesota's 87 counties, Rock County has the 81st highest effective property-tax rate: 80 rank higher and 6 rank lower. That places it among the least taxed counties in the state. Nationally, it ranks 1854th of 3135 US counties by effective rate. See every Minnesota county ranked.
How much do homeowners in Rock County actually pay?
The median is only the middle bill. Across Rock County's 3,089 owner-occupied homes, 15.5% pay $3,000 or more a year in property tax, 35.9% pay at least $2,000, and 23.8% pay under $800.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 735 | 23.8% |
| $800 to $1,499 | 706 | 22.9% |
| $1,500 to $1,999 | 518 | 16.8% |
| $2,000 to $2,999 | 630 | 20.4% |
| $3,000 or more | 480 | 15.5% |
| No property tax paid | 20 | 0.6% |
Owners with a mortgage pay a median of $1,791 and owners without one pay $1,395. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.
How does the Rock County property tax bill compare with local incomes?
The median property tax bill of $1,590 is about 1.7% of the median income of Rock County homeowner households, $94,031 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 76.6% of Rock County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Rock County?
Yes. The median bill went from $1,111 in 2015-2019 to $1,590 in 2020-2024, a 43.1% rise. Over the same span the median home value moved 46.6%, from $153,000 to $224,300.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Rock County
Rock County borders 6 counties, 3 of them across the state line.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Minnehaha County, SD | 1.14% | $3,281 | $287,600 |
| Moody County, SD | 1.1% | $2,500 | $226,500 |
| Nobles County, MN | 0.99% | $1,956 | $197,200 |
| Lyon County, IA | 0.87% | $1,995 | $230,000 |
| Pipestone County, MN | 0.86% | $1,209 | $140,200 |
| Murray County, MN | 0.79% | $1,471 | $185,400 |
| Rock County, MN (this county) | 0.71% | $1,590 | $224,300 |
How is a home assessed in Rock County?
Minnesota sets the assessment rules and Rock County applies them. How Minnesota assesses and reappraises homes.
Is there a homestead exemption in Rock County?
Yes, on a sliding scale. Minnesota's Homestead Market Value Exclusion is worth up to $38,000 on homes worth $95,000 or less and shrinks to nothing at $517,200. That is the Minnesota rule, and it applies in Rock County. Minnesota's exemptions and relief programs in full.
When are property taxes due in Rock County?
Two installments, the first due May 15 and the second October 15, with agricultural property getting until November 15 on the second half. If your total tax is $100 or less the whole amount is due in May. Late penalties start at 2% on homestead property and climb monthly.
Minnesota splits the bill into 2 installments. That is the Minnesota rule. Rock County issues and collects the bill, so the dates printed on your statement are the ones that bind you.
How to appeal your Rock County property assessment
You contest the assessed value with the Local Board of Appeal and Equalization, then the County Board, then Minnesota Tax Court. The filing deadline is typically April 30 of the year the tax is payable (Tax Court). That is the Minnesota rule; Rock County sets the exact dates and forms. The Minnesota appeal process step by step.
Minnesota rules from primary state sources, reviewed September 7, 2026; sources on the Minnesota page.
Work out your own numbers
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How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Rock County's tax rate to hand.
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Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
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Minnesota income tax
Brackets, standard deduction and what Minnesota actually taxes.
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Sales tax in Rock County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Rock County, Minnesota: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.