The Porter at Westport Plaza
50 W Port Plaza Dr,
Saint Louis, MO 63146
$1,470 - $2,560
Studio - 2 Beds
$1,121/month
Average Rent
687 Sq Ft
Average Apartment Size
+1.4%
Increase in the Last Year
As of December 2025, the average rent in Saint Louis, MO is $1,121 per month. This is 31% lower than the national average rent of $1,631/month, making renting in Saint Louis more affordable than most cities in the US. When you rent an apartment in Saint Louis, you can expect to pay about $1,009 per month for a studio, $1,121 for a one-bedroom apartment, and around $1,359 for a two-bedroom apartment. If you opt for a three-bedroom rental, you could pay $1,637 or more.
In the past year, rent has increased by 1.4%, which averages out to $16 more per month.
Based on current rent prices, Oak Park, North St Louis City and Union Station are the most affordable neighborhoods in Saint Louis.
Based on current rent prices, Le Pere Villa Place, Ladue and Ballpark Village are the most expensive neighborhoods in Saint Louis.
The neighborhoods in Saint Louis with the most apartments available are Mid County, Downtown Saint Louis and Downtown West St Louis .
Because the average rent in Saint Louis is $1,121, you’ll want to make about $3,736 per month or $44,832 per year. The general guideline is to pay no more than 30 percent of your monthly income on rent. However, you’ll want to consider additional factors, such as your monthly bills and other expenses. Use our rent affordability calculator to help determine how much to budget for rent.
The cost of living in Saint Louis, MO is 10.8% lower than the national average. Generally, housing in Saint Louis is 22.7% less expensive than the national average, with rent falling between $1,009 - $1,637. You can expect to pay 0.9% less for groceries, 4.5% less for utilities, and 6.3% less for transportation.
Use the tool below to compare Saint Louis, MO to other nearby cities and neighborhoods. The Apartments.com neighborhood guides provide you with insight into the area’s transportation, things to do, and more.
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† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in November 2025.
* Percentages may not total 100 due to rounding.