What is the cost of living in Peru, IL?
According to the most recent data on the cost of living, Peru has an overall cost of living index of 91, which is 0.9x lower than the national index of 100.
Compared to Illinois, Peru has a cost of living index that's 0.9x lower than Illinois's index of 98.
The standard of living in Peru ranks as #78 most affordable out of the 336 places we measured in Illinois. By definition, that implies Peru ranks as the #258 most expensive place in the Prairie State.
For more reading on life in Peru, check out:
Peru Cost Of Living Vs. Illinois
Six factors go into calculating the cost of living index in Peru. Here is how it fares on each of the criteria:
The Services index in Peru is 102.
The Groceries index in Peru is 98.
The Health index in Peru is 75.
The Housing index in Peru is 100.
The Transportation index in Peru is 101.
The Utilities index in Peru is 101.
| Living Expense | Peru | Illinois | National Average |
|---|---|---|---|
| Overall | 91 | 98 | 100 |
| Services | 102 | 99 | 100 |
| Groceries | 98 | 99 | 100 |
| Health | 75 | 96 | 100 |
| Housing | 100 | 101 | 100 |
| Transportation | 101 | 99 | 100 |
| Utilities | 101 | 101 | 100 |
Peru 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 Peru Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Peru, 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 Peru is $177,235.
The Median Rent in Peru is $921.
The Median Income in Peru is $74,808.
The Home Value To Income in Peru is 2.4x.
The Rent To Monthly Income in Peru is 0.15x.
Peru, IL Costs By Category
Detailed Peru Services costs vs. Illinois
Detailed Peru Groceries costs vs. Illinois
Detailed Peru Health costs vs. Illinois
Detailed Peru Transportation costs vs. Illinois
Peru SnackAbility
Cost Of Living In Cities Around Peru
The cost of living varies in the cities and towns around Peru. Here's a quick look at the cost of living in the most populous nearby places:
Ottawa, IL has a cost of living index of 90, 1.0x Peru.
LaSalle, IL has a cost of living index of 90, 1.0x Peru.
Princeton, IL has a cost of living index of 91, 1.0x Peru.
| City | Population | Cost Of Living | Vs. Peru |
|---|---|---|---|
| Ottawa, IL | 18,447 | 90 | 1.0x |
| LaSalle, IL | 9,498 | 90 | 1.0x |
| Princeton, IL | 7,975 | 91 | 1.0x |
| Mendota, IL | 6,994 | 87 | 1.0x |
| Spring Valley, IL | 5,476 | 88 | 1.0x |
