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Population Review

St. Charles, Missouri Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates

The population of St. Charles, Missouri is 71,048 as of the 2023 American Community Survey, making it the 9th-largest city in Missouri. The median household income is $85,522, the median home value is $280,800, and the median age is 38.9.

The population has grown 9.1% since 2010 (66,396 → 72,458).

71,048

Population

2818

People / sq mi

$85,522

Median Income

$280,800

Median Home Value

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St. Charles covers 25.2 sq mi of land at 2818 people per square mile.

About St. Charles, MO

The poverty rate is what most separates St. Charles from the typical city: 2.6% of residents live below the federal poverty line, against 12.4% nationally. With 71,048 residents, St. Charles is a city in Missouri. It is the #9-largest of all cities in Missouri nationally.

Median household income is $85,522, above the US median of $78,538. Only 2.6% of residents live in poverty, below the national 12.4%. Median home value is $280,800, with typical rent around $1,186.

College attainment is above the local norm at 44.2%, above the national 35.0%. Remote work is above the national 14.0% at 15.6%, and the average commute runs about 22 minutes each way.

St. Charles city Population History (2010-2024)

The city of St. Charles city had a population of 66,396 in 2010 and 72,458 in 2024, a 9.1% growth over 14 years. The peak was 72,458 in 2024. Average annual growth rate: 0.63%.

2024 · 72K20102024
St. Charles city population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

72,458

Population (2024)

66,396

Population (2010)

72,458

Peak (2024)

0.63%

Avg Annual Growth

YearPopulation
201066,396
201166,633
201266,986
201368,151
201468,568
201569,120
201669,402
201770,390
201870,807
201971,028
202070,790
202171,102
202271,287
202372,040
202472,458

Race & Ethnicity

White79.3%
Black or African American7.7%
Asian0.0%
Hispanic or Latino (any race)0.9%
Two or More Races0.0%

Economy & Income

$85,522

Median Household Income

$49,196

Per Capita Income

2.6%

Poverty Rate

1.5%

Unemployment Rate

Housing

$280,800

Median Home Value

$1,186

Median Rent

67.9%

Owner-Occupied

Education

94.3%

High School+

44.2%

Bachelor's+

Commute

0.1%

Drive Alone

76.0%

Public Transit

15.6%

Work From Home

21.7 min

Avg Commute

Community Profile

28.5%

Foreign Born

91.6%

Non-English at Home

6.9%

Veterans

11.9%

With Disability

95.0%

Health Insurance

96.9%

Internet Access

Employment by Industry

Professional, Scientific & Management23.3%
Manufacturing13.6%
Finance, Insurance & Real Estate11.9%
Information9.1%
Education, Health Care & Social Services8.4%
Construction6.1%
Retail Trade5.8%
Arts, Entertainment & Food Services4.0%
Public Administration3.0%
Transportation & Warehousing1.8%
Agriculture & Mining0.5%

Largest cities in Missouri

Largest counties in Missouri

Part of Missouri

Metro areas in Missouri

City rankings

Frequently Asked Questions

St. Charles, Missouri has a population of 71,048 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 9th-largest city in Missouri.

The median household income in St. Charles, Missouri is $85,522, with 2.6% of residents living below the federal poverty level.

The median home value in St. Charles, Missouri is $280,800, with median monthly rent at $1,186 and a homeownership rate of 67.9%.

The median age in St. Charles, Missouri is 38.9 years. The population is 49.5% male and 50.5% female.

The population has grown 9.1% since 2010 (66,396 → 72,458).

Where to stay in St. Charles

Visiting or relocating to St. Charles, MO? Compare hotels and short-term rentals across the metro — live availability and prices.

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Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.