What is the cost of living in Plainfield, IL?
According to the most recent data on the cost of living, Plainfield has an overall cost of living index of 126, which is 1.3x higher than the national index of 100.
Compared to Illinois, Plainfield has a cost of living index that's 1.3x higher than Illinois's index of 98.
The standard of living in Plainfield ranks as #297 most affordable out of the 336 places we measured in Illinois. By definition, that implies Plainfield ranks as the #39 most expensive place in the Prairie State.
For more reading on life in Plainfield, check out:
Plainfield Cost Of Living Vs. Illinois
Six factors go into calculating the cost of living index in Plainfield. Here is how it fares on each of the criteria:
The Services index in Plainfield is 100.
The Groceries index in Plainfield is 103.
The Health index in Plainfield is 179.
The Housing index in Plainfield is 101.
The Transportation index in Plainfield is 102.
The Utilities index in Plainfield is 103.
| Living Expense | Plainfield | Illinois | National Average |
|---|---|---|---|
| Overall | 126 | 98 | 100 |
| Services | 100 | 99 | 100 |
| Groceries | 103 | 99 | 100 |
| Health | 179 | 96 | 100 |
| Housing | 101 | 101 | 100 |
| Transportation | 102 | 99 | 100 |
| Utilities | 103 | 101 | 100 |
Plainfield 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 Plainfield Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Plainfield, 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 Plainfield is $421,480.
The Median Rent in Plainfield is $2,119.
The Median Income in Plainfield is $144,000.
The Home Value To Income in Plainfield is 2.9x.
The Rent To Monthly Income in Plainfield is 0.18x.
| Statistic | Plainfield | Illinois | United States |
|---|---|---|---|
| Median Home Value | $421,480 | $285,735 | $332,700 |
| Median Rent | $2,119 | $1,274 | $1,413 |
| Median Income | $144,000 | $83,390 | $80,734 |
| Home Value To Income | 2.9x | 3.4x | 4.1x |
| Rent To Monthly Income | 0.18x | 0.18x | 0.21x |
Plainfield, IL Costs By Category
Detailed Plainfield Services costs vs. Illinois
| Item | Plainfield | Illinois |
|---|---|---|
| Shampoo | $1.32 | $1.28 |
| Movie | $9.99 | $12.13 |
| Bowling | $16.0 | $18 |
| Haircut | $19.72 | $24.26 |
| Beauty Salon | $37.22 | $45.56 |
Detailed Plainfield Groceries costs vs. Illinois
| Item | Plainfield | Illinois |
|---|---|---|
| Ground Beef | $5.94 | $5.84 |
| Fried Chicken | $1.39 | $1.57 |
| Milk | $4.55 | $4.67 |
| Potatoes | $5.08 | $4.93 |
| Pizza | $10.69 | $12.09 |
| Beer | $9.61 | $10.41 |
| Toothpaste | $3.72 | $3.7 |
Detailed Plainfield Health costs vs. Illinois
| Item | Plainfield | Illinois |
|---|---|---|
| Optometrist | $86.67 | $125.68 |
| Doctor | $110.0 | $135.78 |
| Dentist | $82.0 | $113.29 |
Detailed Plainfield Transportation costs vs. Illinois
| Item | Plainfield | Illinois |
|---|---|---|
| Gasoline | $3.52 | $3.46 |
| Tire Balancing | $45.0 | $59.92 |
Detailed Plainfield Utilities costs vs. Illinois
| Item | Plainfield | Illinois |
|---|---|---|
| All Electricity | $156.87 | $193.99 |
| Phone | $198.03 | $192.25 |
Plainfield SnackAbility
Cost Of Living In Cities Around Plainfield
The cost of living varies in the cities and towns around Plainfield. 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, 1.1x Plainfield.
Joliet, IL has a cost of living index of 101, 0.8x Plainfield.
Bolingbrook, IL has a cost of living index of 111, 0.9x Plainfield.
| City | Population | Cost Of Living | Vs. Plainfield |
|---|---|---|---|
| Naperville, IL | 150,692 | 133 | 1.1x |
| Joliet, IL | 150,445 | 101 | 0.8x |
| Bolingbrook, IL | 74,096 | 111 | 0.9x |
| Wheaton, IL | 53,557 | 127 | 1.0x |
| Downers Grove, IL | 50,054 | 124 | 1.0x |
| Romeoville, IL | 41,152 | 108 | 0.9x |
| Oswego, IL | 36,375 | 112 | 0.9x |
| Glen Ellyn, IL | 28,390 | 137 | 1.1x |
| Westmont, IL | 23,724 | 115 | 0.9x |
| Lisle, IL | 23,407 | 122 | 1.0x |








