Is $40K a Good Salary in St. Louis, MO?
Full budget breakdown for St. Louis on $40K/year — take-home after taxes, rent burden, what you can afford, and how it compares to the city median.
Monthly budget in St. Louis on $40K
US average equivalent
$46,000
Your $40K in St. Louis (COL: 87) buys the same as $46,000/yr in a city with average US cost of living.
vs St. Louis median
-26%
The median household income in St. Louis is $54,000/yr. You're earning 26% below that.
Cities where $40K goes further
These cities have a lower rent burden at $40K than St. Louis.
Other salary levels in St. Louis
Frequently asked questions
Is $40K a good salary in St. Louis?
$40K/year in St. Louis gives you approximately $2,572/month in take-home pay after federal and state taxes. With a median 1BR rent of $1,300/month, your rent burden is 51% of take-home — which is considered difficult. St. Louis ranks #81 out of 179 cities for this salary level.
How much is $40K after taxes in St. Louis?
On $40K/year in St. Louis (MO), you take home approximately $2,572/month after federal income tax, 4.7% MO state income tax, and FICA. That is roughly $30,864/year net.
What is the cost of living in St. Louis on $40K?
Monthly estimated costs in St. Louis: rent $1,300, groceries ~$369, transportation ~$75, utilities ~$162, internet ~$60. Total estimated expenses: ~$1,966/month, leaving ~$606/month after essentials on a $40K salary.
Tax estimates use 2026 brackets · Rent data: Zillow Observed Rent Index · Budget figures are estimates for general guidance only