What is the median rent in Lake St. Louis, MO?

Name: Median rent in Lake St. Louis, MO, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

The median gross rent in Lake St. Louis, MO is $1,588 (±$138) a month, according to the US Census Bureau’s 2020–2024 American Community Survey.

That is across 1,652 rented homes; gross rent is the contract rent plus the utilities and fuels a renter pays separately.

In Lake St. Louis, the median gross rent went from $1,130 in 2015–2019 to $1,588 in 2020–2024 (+40.5%).

Prices (CPI-U) rose 22.7% over the same years, so it rose faster than prices: a measurable increase after inflation.

Figures last updated on November 12, 2026.

Median gross rent: $1,588 (±$138)
Rented homes: 1,652 (±272)
$2,000 or more: 17.5%
Since 2015–2019: +40.5%

How much rent costs in Lake St. Louis

Share of rented homes in each gross-rent range, 2020–2024
Monthly gross rent	Lake St. Louis	St. Charles County	Missouri	United States
Less than $500	0.0% (±2.1 points)	3.6%	8.3%	6.3%
$500 to $999	7.8% (±5.9 points)	17.5%	38.8%	20.2%
$1,000 to $1,499	35.2% (±10.7 points)	40.9%	34.6%	28.1%
$1,500 to $1,999	39.4% (±11.1 points)	23.9%	12.3%	21.1%
$2,000 to $2,499	12.0% (±8.5 points)	8.8%	3.7%	12.0%
$2,500 to $2,999	5.5% (±4.1 points)	2.7%	1.0%	5.5%
$3,000 or more	0.0% (±2.1 points)	2.6%	1.2%	6.8%

The most common range is $1,500 to $1,999, paid by 39.4% of renting households.

17.5% of rented homes in Lake St. Louis cost $2,000 or more a month.

Lake St. Louis against St. Charles County, its state and the nation

Estimate (90% margin of error)
	Lake St. Louis	St. Charles County	Missouri	United States
Median gross rent	$1,588 (±$138)	$1,370 (±$21)	$1,033 (±$6)	$1,413
Rented homes paying rent	1,652 (±272)	29,672 (±1,051)	752,105 (±5,422)	42,849,984

In Lake St. Louis, median gross rent is higher than in St. Charles County ($1,370).

It is also higher than in Missouri ($1,033).

It is higher than the national figure ($1,413).

In St. Charles County, Lake St. Louis ranks 4 of 15 places with a published estimate, from highest to lowest median gross rent.

Statewide, it ranks 25 of 889.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

How rent in Lake St. Louis has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median gross rent	$1,130 (±$88)	$1,588 (±$138)	+40.5%	Up after inflation
Households that rent	19.7% (±3.4 points)	24.4% (±3.7 points)	+4.7 percentage points	Not a measurable change
Rental vacancy rate	10.6% (±8.1 points)	11.9% (±8.8 points)	+1.3 percentage points	Not a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median gross rent in places near Lake St. Louis

Nearest places with a published estimate, compared with Lake St. Louis
Place	Distance	Median gross rent	Compared with this place
Lake St. Louis	—	$1,588 (±$138)	—
Josephville	3.5 mi	$852 (±$10)	Lower
O'Fallon	3.5 mi	$1,443 (±$47)	Not measurably different
Dardenne Prairie	4.6 mi	$1,444 (±$153)	Not measurably different
Wentzville	5.2 mi	$1,345 (±$83)	Lower
St. Paul	5.3 mi	$975 (±$328)	Lower
Cottleville	7.2 mi	$1,624 (±$224)	Not measurably different
Flint Hill	7.3 mi	$1,611 (±$221)	Not measurably different
Weldon Spring	8.7 mi	$2,800 (±$1,910)	Not measurably different

Nearby places with a measurably lower figure: Josephville, MO ($852), Wentzville, MO ($1,345), St. Paul, MO ($975).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median gross rent across St. Charles County, place by place

Rank	Place	Median gross rent
1	Weldon Spring	$2,800 (±$1,910)
2	Cottleville	$1,624 (±$224)
3	Flint Hill	$1,611 (±$221)
4	Lake St. Louis	$1,588 (±$138)
5	Dardenne Prairie	$1,444 (±$153)
6	O'Fallon	$1,443 (±$47)
7 (tie)	Augusta	$1,375 (±$791)
7 (tie)	West Alton	$1,375 (±$257)
9	Wentzville	$1,345 (±$83)
10	St. Peters	$1,321 (±$73)

Showing 10 of 15 places in St. Charles County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Lake St. Louis

What is the average rent in Lake St. Louis, MO?

The Census Bureau publishes the median rather than the average: the median gross rent in Lake St. Louis is $1,588 (±$138) a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.

How much has rent gone up in Lake St. Louis?

In Lake St. Louis, the median gross rent went from $1,130 in 2015–2019 to $1,588 in 2020–2024 (+40.5%).

Prices (CPI-U) rose 22.7% over the same years, so it rose faster than prices: a measurable increase after inflation.

How many rentals in Lake St. Louis cost more than $2,000 a month?

17.5% of rented homes in Lake St. Louis have a gross rent of $2,000 or more a month, and 0.0% cost less than $500.

Is rent in Lake St. Louis higher than in St. Charles County?

In Lake St. Louis, median gross rent is higher than in St. Charles County ($1,370).

It is also higher than in Missouri ($1,033).

It is higher than the national figure ($1,413).

Is this the rent for an apartment listed today?

No: these are rents households reported paying across 2020–2024, not asking rents for vacant homes, which usually run higher.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Lake St. Louis city, Missouri (place:40043, in state:29).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B25064_001E, B25064_001M, DP04_0047PE, DP04_0047PM, DP04_0005E, DP04_0005M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP04_0134E, DP04_0134M, DP04_0126E, DP04_0126M, DP04_0127PE, DP04_0127PM, DP04_0128PE, DP04_0128PM, DP04_0129PE, DP04_0129PM, DP04_0130PE, DP04_0130PM, DP04_0131PE, DP04_0131PM, DP04_0132PE, DP04_0132PM, DP04_0133PE, DP04_0133PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.