What is the cost of living in Rock Falls, IL?
According to the most recent data on the cost of living, Rock Falls has an overall cost of living index of 83, which is 0.8x lower than the national index of 100.
Compared to Illinois, Rock Falls has a cost of living index that's 0.8x lower than Illinois's index of 98.
The standard of living in Rock Falls ranks as #13 most affordable out of the 336 places we measured in Illinois. By definition, that implies Rock Falls ranks as the #323 most expensive place in the Prairie State.
For more reading on life in Rock Falls, check out:
Rock Falls Cost Of Living Vs. Illinois
Six factors go into calculating the cost of living index in Rock Falls. Here is how it fares on each of the criteria:
The Services index in Rock Falls is 97.
The Groceries index in Rock Falls is 98.
The Health index in Rock Falls is 49.
The Housing index in Rock Falls is 98.
The Transportation index in Rock Falls is 94.
The Utilities index in Rock Falls is 94.
| Living Expense | Rock Falls | Illinois | National Average |
|---|---|---|---|
| Overall | 83 | 98 | 100 |
| Services | 97 | 99 | 100 |
| Groceries | 98 | 99 | 100 |
| Health | 49 | 96 | 100 |
| Housing | 98 | 101 | 100 |
| Transportation | 94 | 99 | 100 |
| Utilities | 94 | 101 | 100 |
Rock Falls Cost Of Living Compared To Illinois Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Illinois, check out:
Protect your home budget Compare home warranties in Rock Falls Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Rock Falls, IL Housing Cost Breakdown
Housing swings affordability the most between places in Illinois, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Rock Falls is $114,963.
The Median Rent in Rock Falls is $754.
The Median Income in Rock Falls is $49,600.
The Home Value To Income in Rock Falls is 2.3x.
The Rent To Monthly Income in Rock Falls is 0.18x.
| Statistic | Rock Falls | Illinois | United States |
|---|---|---|---|
| Median Home Value | $114,963 | $285,735 | $332,700 |
| Median Rent | $754 | $1,274 | $1,413 |
| Median Income | $49,600 | $83,390 | $80,734 |
| Home Value To Income | 2.3x | 3.4x | 4.1x |
| Rent To Monthly Income | 0.18x | 0.18x | 0.21x |
Rock Falls, IL Costs By Category
Detailed Rock Falls Services costs vs. Illinois
| Item | Rock Falls | Illinois |
|---|---|---|
| Shampoo | $1.27 | $1.28 |
| Movie | $12.73 | $12.13 |
| Bowling | $12.67 | $18 |
| Haircut | $19.94 | $24.26 |
| Beauty Salon | $36.22 | $45.56 |
Detailed Rock Falls Groceries costs vs. Illinois
| Item | Rock Falls | Illinois |
|---|---|---|
| Ground Beef | $5.72 | $5.84 |
| Fried Chicken | $1.42 | $1.57 |
| Milk | $4.63 | $4.67 |
| Potatoes | $4.82 | $4.93 |
| Pizza | $10.99 | $12.09 |
| Beer | $9.56 | $10.41 |
| Toothpaste | $3.58 | $3.7 |
Detailed Rock Falls Health costs vs. Illinois
| Item | Rock Falls | Illinois |
|---|---|---|
| Optometrist | $79.67 | $125.68 |
| Doctor | $158.33 | $135.78 |
| Dentist | $110.16 | $113.29 |
Detailed Rock Falls Transportation costs vs. Illinois
| Item | Rock Falls | Illinois |
|---|---|---|
| Gasoline | $3.69 | $3.46 |
| Tire Balancing | $70.28 | $59.92 |
Detailed Rock Falls Utilities costs vs. Illinois
| Item | Rock Falls | Illinois |
|---|---|---|
| All Electricity | $147.39 | $193.99 |
| Phone | $198.03 | $192.25 |
Rock Falls SnackAbility
Cost Of Living In Cities Around Rock Falls
The cost of living varies in the cities and towns around Rock Falls. Here's a quick look at the cost of living in the most populous nearby places:
Moline, IL has a cost of living index of 91, 1.1x Rock Falls.
DeKalb, IL has a cost of living index of 99, 1.2x Rock Falls.
East Moline, IL has a cost of living index of 91, 1.1x Rock Falls.
| City | Population | Cost Of Living | Vs. Rock Falls |
|---|---|---|---|
| Moline, IL | 42,197 | 91 | 1.1x |
| DeKalb, IL | 40,443 | 99 | 1.2x |
| East Moline, IL | 20,904 | 91 | 1.1x |
| Dixon, IL | 14,910 | 86 | 1.0x |
| Sterling, IL | 14,717 | 84 | 1.0x |
| Peru, IL | 9,775 | 91 | 1.1x |
| LaSalle, IL | 9,498 | 90 | 1.1x |
| Silvis, IL | 7,955 | 91 | 1.1x |
| Mendota, IL | 6,994 | 87 | 1.0x |
| Geneseo, IL | 6,673 | 92 | 1.1x |








