What is the cost of living in Brentwood, MO?
According to the most recent data on the cost of living, Brentwood has an overall cost of living index of 109, which is 1.1x higher than the national index of 100.
Compared to Missouri, Brentwood has a cost of living index that's 1.2x higher than Missouri's index of 90.
The standard of living in Brentwood ranks as #126 most affordable out of the 144 places we measured in Missouri. By definition, that implies Brentwood ranks as the #18 most expensive place in the Show Me State.
For more reading on life in Brentwood, check out:
Brentwood Cost Of Living Vs. Missouri
Six factors go into calculating the cost of living index in Brentwood. Here is how it fares on each of the criteria:
The Services index in Brentwood is 101.
The Groceries index in Brentwood is 100.
The Health index in Brentwood is 132.
The Housing index in Brentwood is 96.
The Transportation index in Brentwood is 94.
The Utilities index in Brentwood is 97.
| Living Expense | Brentwood | Missouri | National Average |
|---|---|---|---|
| Overall | 109 | 90 | 100 |
| Services | 101 | 97 | 100 |
| Groceries | 100 | 98 | 100 |
| Health | 132 | 76 | 100 |
| Housing | 96 | 95 | 100 |
| Transportation | 94 | 94 | 100 |
| Utilities | 97 | 96 | 100 |
Brentwood Cost Of Living Compared To Missouri Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Missouri, check out:
Protect your home budget Compare home warranties in Brentwood Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Brentwood, MO Housing Cost Breakdown
Housing swings affordability the most between places in Missouri, 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 Brentwood is $265,327.
The Median Rent in Brentwood is $1,439.
The Median Income in Brentwood is $99,719.
The Home Value To Income in Brentwood is 2.7x.
The Rent To Monthly Income in Brentwood is 0.17x.
Brentwood, MO Costs By Category
Detailed Brentwood Services costs vs. Missouri
Detailed Brentwood Groceries costs vs. Missouri
Detailed Brentwood Health costs vs. Missouri
Detailed Brentwood Transportation costs vs. Missouri
Brentwood SnackAbility
Cost Of Living In Cities Around Brentwood
The cost of living varies in the cities and towns around Brentwood. Here's a quick look at the cost of living in the most populous nearby places:
Chesterfield, MO has a cost of living index of 121, 1.1x Brentwood.
Wildwood, MO has a cost of living index of 122, 1.1x Brentwood.
Ballwin, MO has a cost of living index of 109, 1.0x Brentwood.
| City | Population | Cost Of Living | Vs. Brentwood |
|---|---|---|---|
| Chesterfield, MO | 49,574 | 121 | 1.1x |
| Wildwood, MO | 35,133 | 122 | 1.1x |
| Ballwin, MO | 31,279 | 109 | 1.0x |
| Kirkwood, MO | 29,363 | 117 | 1.1x |
| Collinsville, IL | 24,031 | 91 | 0.8x |
| Webster Groves, MO | 23,712 | 117 | 1.1x |
| Clayton, MO | 17,380 | 151 | 1.4x |
| Fairview Heights, IL | 16,745 | 95 | 0.9x |
| Swansea, IL | 14,710 | 100 | 0.9x |
| Town and Country, MO | 11,607 | 168 | 1.5x |








