37821 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Tennessee based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 37821 is White. The majority race/ethnicity attending public schools in 37821 is White. The current unemployment level in 37821 is 3.3%.
| Population | 21,751 |
| Population Growth Rate | 0.00% |
| Population Density | 162 People per Square Mile |
| Total Households | 9,404 |
| Percentage High Income Households | 0.5% |
| Median Household Income (2021) | $38,917 |
| Average Adjusted Gross Income (2021) | $336,890 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 9.8% |
| Majority Race/Ethnicty | White - 92.72% |
| Public School Majority Race/Ethnicty | White - 88.11% |
37821 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 20,133 | 92.58% |
| Black | 514 | 2.36% |
| Hispanic | 695 | 3.2% |
| Asian | 186 | 0.86% |
| Native American | 185 | 0.85% |
| Hawaiian/Pac. Islander | 34 | 0.16% |
37821 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,995 | 90.57% |
| Black | 104 | 3.14% |
| Hispanic | 157 | 4.75% |
| Asian | 40 | 1.21% |
| Native American | 9 | 0.27% |
| Hawaiian/Pac. Islander | 2 | 0.06% |
37821 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 791 | 6.69% |
| Bachelor Degree | 597 | 5.05% |
| High School Diploma | 5,312 | 44.94% |
| No High School Diploma | 289 | 2.45% |
| GED or Alternate | 1,727 | 14.61% |
| 1 or More Years of College | 1,760 | 14.89% |
| Associates Degree | 818 | 6.92% |
| Masters Degree | 401 | 3.39% |
| Professional Degree | 95 | 0.8% |
| Doctorate Degree | 30 | 0.25% |