St. Charles County vs St. Louis County
A side-by-side comparison of St. Charles County and St. Louis County: population, income, housing, and more.
St. Charles County and St. Louis County are counties in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
St. Louis County has the higher population (996,618 vs 409,830 in St. Charles County). St. Charles County has the higher median household income ($102,912 vs $81,340 in St. Louis County). St. Charles County has the higher median home value ($296,800 vs $260,700 in St. Louis County).
Population, income & housing
| St. Charles County | St. Louis County | |
|---|---|---|
| Population | 409,830 | 996,618 |
| Median age | 39.6 yrs | 40.2 yrs |
| Median household income | $102,912 | $81,340 |
| Median home value | $296,800 | $260,700 |
| Median gross rent | $1,312 | $1,164 |
| Housing units | 164,594 | 445,472 |
| Homeownership rate | 80.7% | 69.0% |
| Bachelor's degree or higher | 42.4% | 46.9% |
| Unemployment rate | 2.8% | 4.2% |
Trends (ACS 5-year, 2019–2023)
| St. Charles County | St. Louis County | |
|---|---|---|
| Population | 394,290 → 409,830 (+3.9%) | 996,919 → 996,618 (-0.0%) |
| Median household income | $84,978 → $102,912 (+21.1%) | $67,420 → $81,340 (+20.6%) |
| Median home value | $219,100 → $296,800 (+35.5%) | $198,800 → $260,700 (+31.1%) |
| Median gross rent | $1,041 → $1,312 (+26.0%) | $983 → $1,164 (+18.4%) |
St. Charles County
394,290409,830
$84,978$102,912
$219,100$296,800
$1,041$1,312
St. Louis County
996,919996,618
$67,420$81,340
$198,800$260,700
$983$1,164
Age & race/ethnicity
Age distribution (share)
| St. Charles County | St. Louis County | |
|---|---|---|
| Under 5 | 5.5% | 5.7% |
| 5 to 17 | 17.3% | 16.4% |
| 18 to 24 | 8.1% | 8.4% |
| 25 to 34 | 12.4% | 12.7% |
| 35 to 44 | 14.1% | 12.7% |
| 45 to 54 | 12.5% | 11.8% |
| 55 to 64 | 13.5% | 13.6% |
| 65 to 74 | 9.8% | 10.9% |
| 75 and over | 6.6% | 7.8% |
Race & ethnicity (share)
| St. Charles County | St. Louis County | |
|---|---|---|
| White (non-Hispanic) | 83.9% | 62.0% |
| Black or African American | 4.9% | 24.1% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 2.8% | 4.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.4% |
| Two or more races | 3.9% | 5.1% |
| Hispanic or Latino | 4.0% | 3.7% |
Educational attainment (age 25+)
Share of adults 25+
| St. Charles County | St. Louis County | |
|---|---|---|
| No high school diploma | 4.5% | 5.6% |
| High school graduate | 22.5% | 20.9% |
| Some college or associate's | 30.5% | 26.6% |
| Bachelor's degree | 26.8% | 26.6% |
| Graduate or professional degree | 15.6% | 20.4% |
Commute to work
How workers get to work (share)
| St. Charles County | St. Louis County | |
|---|---|---|
| Drove alone | 76.2% | 73.7% |
| Carpooled | 5.8% | 6.2% |
| Public transit | 0.1% | 1.4% |
| Walked | 0.7% | 1.3% |
| Bicycle | 0.0% | 0.1% |
| Worked from home | 16.0% | 16.3% |
| Other means | 1.3% | 1.0% |
Housing
Units in structure (share)
| St. Charles County | St. Louis County | |
|---|---|---|
| 1-unit, detached | 74.6% | 72.0% |
| 1-unit, attached | 7.6% | 4.5% |
| 2 to 4 units | 3.8% | 6.4% |
| 5 to 19 units | 7.0% | 10.6% |
| 20 or more units | 4.3% | 6.2% |
| Mobile home & other | 2.8% | 0.3% |
Poverty & households
| St. Charles County | St. Louis County | |
|---|---|---|
| Poverty rate | 4.7% | 9.6% |
| Average household size | 2.54 | 2.36 |
| Mean commute (minutes) | 25 | 23 |
| Median year structure built | 1994 | 1968 |
Full profiles
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