What is the cost of living in Westmont, IL?
According to the most recent data on the cost of living, Westmont has an overall cost of living index of 115, which is 1.1x higher than the national index of 100.
Compared to Illinois, Westmont has a cost of living index that's 1.2x higher than Illinois's index of 98.
The standard of living in Westmont ranks as #258 most affordable out of the 336 places we measured in Illinois. By definition, that implies Westmont ranks as the #78 most expensive place in the Prairie State.
For more reading on life in Westmont, check out:
Westmont Cost Of Living Vs. Illinois
Six factors go into calculating the cost of living index in Westmont. Here is how it fares on each of the criteria:
The Services index in Westmont is 98.
The Groceries index in Westmont is 99.
The Health index in Westmont is 157.
The Housing index in Westmont is 100.
The Transportation index in Westmont is 99.
The Utilities index in Westmont is 104.
| Living Expense | Westmont | Illinois | National Average |
|---|---|---|---|
| Overall | 115 | 98 | 100 |
| Services | 98 | 99 | 100 |
| Groceries | 99 | 99 | 100 |
| Health | 157 | 96 | 100 |
| Housing | 100 | 101 | 100 |
| Transportation | 99 | 99 | 100 |
| Utilities | 104 | 101 | 100 |
Westmont 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 Westmont Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Westmont, 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 Westmont is $400,411.
The Median Rent in Westmont is $1,533.
The Median Income in Westmont is $88,090.
The Home Value To Income in Westmont is 4.5x.
The Rent To Monthly Income in Westmont is 0.21x.
Westmont, IL Costs By Category
Detailed Westmont Services costs vs. Illinois
Detailed Westmont Groceries costs vs. Illinois
Detailed Westmont Health costs vs. Illinois
Detailed Westmont Transportation costs vs. Illinois
Westmont SnackAbility
Cost Of Living In Cities Around Westmont
The cost of living varies in the cities and towns around Westmont. Here's a quick look at the cost of living in the most populous nearby places:
Naperville, IL has a cost of living index of 133, 1.2x Westmont.
Wheaton, IL has a cost of living index of 127, 1.1x Westmont.
Downers Grove, IL has a cost of living index of 124, 1.1x Westmont.
| City | Population | Cost Of Living | Vs. Westmont |
|---|---|---|---|
| Naperville, IL | 150,692 | 133 | 1.2x |
| Wheaton, IL | 53,557 | 127 | 1.1x |
| Downers Grove, IL | 50,054 | 124 | 1.1x |
| Elmhurst, IL | 45,671 | 134 | 1.2x |
| Bartlett, IL | 40,501 | 119 | 1.0x |
| Park Ridge, IL | 38,667 | 135 | 1.2x |
| Glen Ellyn, IL | 28,390 | 137 | 1.2x |
| Darien, IL | 21,879 | 120 | 1.0x |
| Hinsdale, IL | 17,175 | 191 | 1.7x |
| Western Springs, IL | 13,446 | 156 | 1.4x |








