Kensington Square Apartments
2100 N New Florissant Rd,
Florissant, MO 63033
$850 - $1,300
1-2 Beds
$877/month
Average Rent
653 Sq Ft
Average Apartment Size
+3.2%
Increase in the Last Year
As of October 2025, the average rent in Florissant, MO is $877 per month. This is 46% lower than the national average rent of $1,630/month, making renting in Florissant more affordable than most cities in the US. When you rent an apartment in Florissant, you can expect to pay about $674 per month for a studio, $877 for a one-bedroom apartment, and around $1,108 for a two-bedroom apartment. If you opt for a three-bedroom rental, you could pay $1,363 or more.
In the past year, rent has increased by 3.2%, which averages out to $29 more per month.
Based on current rent prices, North County and Riverwood" are the most affordable neighborhoods in Florissant.
Based on current rent prices, Riverwood and North County" are the most expensive neighborhoods in Florissant.
The neighborhoods in Florissant with the most apartments available are North County and Riverwood" .
Because the average rent in Florissant is $877, you’ll want to make about $2,923 per month or $35,076 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.
Use the tool below to compare Florissant, 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 September 2025.
* Percentages may not total 100 due to rounding.