Average Rent in Grundy County, IL↑ Rents rising 1.3% YoY🔺 3rd priciest in IL

Grundy County, IL has rental prices ranging from $1,045/month to $2,006/month in 2025, depending on unit size. The typical 1-bedroom apartment rents for $1,151/month — 18% below the national average of $1,400/month. With a median household income of $88,850/year, spending $1,151/month on a 1-bedroom represents 16% of gross income — within the recommended 30% threshold.

How Grundy County Compares

With an average 2-bedroom rent of $1,510/month, Grundy County ranks #3 most expensive of the 87 cities tracked in Illinois — pricier than 93% of all US cities in our data.

The Grundy County Rental Market

The Grundy County, IL area has a population of about 9,359,555 and 35% of households renting rather than owning. That is close to the US average renter share of ~34%.

Rent Trends

2-bedroom rents in Grundy County, IL have risen by $20/month (1.3%) over the past year, from $1,490 to $1,510. Rents have remained relatively stable year over year, indicating a balanced rental market in the area.

Affordability

To afford a 1-bedroom apartment in Grundy County, IL without exceeding the 30% housing cost guideline, a renter needs an annual income of approximately $46,040. The local median household income of $88,850 exceeds that threshold by $42,810, making Grundy County relatively accessible compared to local wages.

Is Grundy County, IL Affordable?

Income needed to rent or buy, price history, and how this city compares to nearby metros.

Rent or Buy in Grundy County?

Break-even analysis and mortgage estimates based on local market data.

Living in Grundy County

Cost of living, job market, crime rates, and moving cost estimates.