St. Charles, MO — City Profile & Demographics 2026
Population 71,542 · Missouri · Updated May 2026
Population
71,542
Median Income
$55,578
Home Price
$144,200
Unemployment
4.7%
Poverty Rate
18.7%
Bachelor's+
22.7%
Full Demographics — St. Charles, MO
27 metrics across 8 categories, compared to US national averages.
Demographics
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Population | 71,542 | — | |
| Pop. Density / sq mi | N/A | — | |
| Median Age | 37.9 | 38.9 | |
| Foreign Born | 4.2% | 13.8% | |
| White | 80.4% | 61.6% | |
| Black | 6.7% | 12.4% | |
| Asian | 1.4% | 6.0% | |
| Hispanic | 7.7% | 18.7% | |
| Spanish at Home | N/A | 13.2% |
Economy
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Median HH Income | $55,578 | $74,580 | |
| Per Capita Income | $31,499 | $40,480 | |
| Per Capita Personal Income (MSA)BEA MSA-level | $58,527 | $64,500 | |
| Unemployment Rate | 4.7% | 3.8% | |
| Poverty Rate | 18.7% | 11.5% | |
| Bachelor's Degree+ | 22.7% | 35.8% |
Housing
Source: Zillow ZHVI, Census ACS
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Median Home Value | $144,200 | $410,000 | |
| Homeownership Rate | 61.4% | 65.4% |
Safety
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 501 | 380 | |
| Property Crime / 100KFBI CDE (state-level est.) | 2418 | 1950 |
Health
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Obesity RateCDC PLACES | 35.9% | 33.0% | |
| Diabetes RateCDC PLACES | 10.4% | 11.6% | |
| Poor Mental HealthCDC PLACES — 14+ days/month | 16.0% | 14.0% | |
| No Health InsuranceCDC PLACES | 7.1% | 9.6% | |
| Binge DrinkingCDC PLACES | 18.4% | 15.5% | |
| Current SmokersCDC PLACES | 12.5% | 12.5% |
Climate
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | 54.5°F | |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | 30.2 in |
Air Quality
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.3 µg/m³ | 8.5 µg/m³ | |
| Good Air DaysAQI ≤ 50 | 55.0% | 70.0% |
Commute
| Metric | St. Charles, MO | US Average | vs US |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 18.3 min | 27.0 min |
Compare St. Charles with Another City
Popular Comparisons
About St. Charles, MO
St. Charles is a city in Missouri, United States. With a population of 71,542, it is one of the notable cities in the region. Compared to the US average, St. Charles shows stronger uninsured rate (7.1% without health insurance vs 9.6% without health insurance US avg) and commute time (18 min average commute vs 27 min average commute US avg). However, the city has a higher educational attainment at 22.7% bachelor's degree, compared to the US average of 35.8% bachelor's degree. Data sourced from US Census Bureau ACS 5-Year Survey (2023), CDC PLACES, FBI CDE, NOAA, and EPA.