Cost of living in Rock County, MN
Part of the Sioux Falls Metro Area
Population 9,628 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Rock County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Rock County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Rock County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Rock County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Rock County
Insurance premiums and coverage rates.
Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.
Taxes in Rock County
State and local tax rates for Minnesota.
Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.
Transportation in Rock County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Rock County
What it costs to live in Rock County each month.
- Rent $711
- Energy $187
- Water $50
- Groceries $340
- Transport $320
- Healthcare $480
- Federal tax $525
- State tax $203
- Rent $933
- Energy $224
- Water $60
- Groceries $563
- Transport $420
- Healthcare $864
- Federal tax $827
- State tax $364
- Rent $1,232
- Energy $280
- Water $70
- Groceries $855
- Transport $520
- Healthcare $1,350
- Childcare $1,200
- Federal tax $827
- State tax $364
Frequently asked questions about Rock County
Common questions about cost of living, rent and salary.
What is the average rent in Rock County?
In Rock County, MN, a one-bedroom apartment averages $711 per month, a two-bedroom averages $933 per month, a three-bedroom averages $1,232 per month, according to HUD Fair Market Rent data.
What is the average salary in Rock County?
In Rock County, MN, the average household income is $70,698 per year and individual earnings for full-time workers average $42,167 per year, according to U.S. Census Bureau data.
What is the cost of living in Rock County?
The estimated cost of living in Rock County, MN is approximately $2,816 per month for a single person, $4,255 for a couple, $6,698 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Rock County?
The combined sales tax rate in Rock County, MN is 7.54%, which includes the Minnesota state rate of 6.88% plus an average local rate of 0.66%.
Is Rock County an affordable place to live?
Based on the data, a single person in Rock County, MN would need approximately $2,816 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $70,698 per year ($5,892 per month). Rock County is relatively affordable compared to the national average.
How much does healthcare cost in Rock County?
The ACA marketplace benchmark premium in Rock County, MN is approximately $480 per month for an individual. Approximately 4.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Rock County?
The average home value in Rock County, MN is $201,600, with average annual property taxes of $1,451, according to U.S. Census Bureau data.
How does Rock County compare to other areas?
You can compare Rock County, MN with any other US county using our comparison tool at /compare. Rock County is in the Sioux Falls, SD-MN metro area.
Other counties in Minnesota
Browse the full list of counties in Minnesota, ranked by cost of living.
See all counties in MinnesotaCompare Rock County with another area
Put two counties side by side to see how rent, taxes and everyday costs stack up.
About this data
All figures on this page come from official U.S. government sources, listed below.
- HUD FMR FY2025
- ACS 2019-2023 5-Year
- EIA
- ACS + national avg
- ACS
- USDA + BEA RPP