63021 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Missouri based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 63021 is White. The majority race/ethnicity attending public schools in 63021 is White. The current unemployment level in 63021 is 4.2%.
| Population | 55,944 |
| Population Growth Rate | 0.51% |
| Population Density | 2,512 People per Square Mile |
| Total Households | 21,245 |
| Percentage High Income Households | 9.2% |
| Median Household Income (2021) | $98,804 |
| Average Adjusted Gross Income (2021) | $455,680 |
| Current Unemployment Rate (May 2026) | 4.2% |
| Sales Tax Rate (2025) | 10.0% |
| Majority Race/Ethnicty | White - 85.02% |
| Public School Majority Race/Ethnicty | White - 67.83% |
63021 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 46,368 | 85% |
| Black | 1,274 | 2.34% |
| Hispanic | 2,040 | 3.74% |
| Asian | 4,721 | 8.65% |
| Native American | 135 | 0.25% |
| Hawaiian/Pac. Islander | 12 | 0.02% |
63021 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 4,258 | 72.27% |
| Black | 626 | 10.62% |
| Hispanic | 338 | 5.74% |
| Asian | 652 | 11.07% |
| Native American | 17 | 0.29% |
| Hawaiian/Pac. Islander | 1 | 0.02% |
63021 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 2,275 | 6.22% |
| Bachelor Degree | 12,365 | 33.8% |
| High School Diploma | 5,233 | 14.3% |
| No High School Diploma | 276 | 0.75% |
| GED or Alternate | 636 | 1.74% |
| 1 or More Years of College | 5,476 | 14.97% |
| Associates Degree | 2,489 | 6.8% |
| Masters Degree | 5,833 | 15.94% |
| Professional Degree | 1,198 | 3.27% |
| Doctorate Degree | 807 | 2.21% |