37640 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 37640 is White. The majority race/ethnicity attending public schools in 37640 is White. The current unemployment level in 37640 is 3.3%.
| Population | 3,517 |
| Population Growth Rate | -9.46% |
| Population Density | 29 People per Square Mile |
| Total Households | 1,535 |
| Percentage High Income Households | 1.2% |
| Median Household Income (2021) | $40,268 |
| Average Adjusted Gross Income (2021) | $634,710 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 9.8% |
| Majority Race/Ethnicty | White - 99.08% |
| Public School Majority Race/Ethnicty | White - 95.04% |
37640 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 3,217 | 99.08% |
| Black | 0 | 0% |
| Hispanic | 14 | 0.43% |
| Asian | 11 | 0.34% |
| Native American | 5 | 0.15% |
| Hawaiian/Pac. Islander | 0 | 0% |
37640 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 134 | 96.4% |
| Black | 0 | 0% |
| Hispanic | 3 | 2.16% |
| Asian | 0 | 0% |
| Native American | 2 | 1.44% |
| Hawaiian/Pac. Islander | 0 | 0% |
37640 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 228 | 11.75% |
| Bachelor Degree | 170 | 8.76% |
| High School Diploma | 881 | 45.41% |
| No High School Diploma | 56 | 2.89% |
| GED or Alternate | 195 | 10.05% |
| 1 or More Years of College | 196 | 10.1% |
| Associates Degree | 132 | 6.8% |
| Masters Degree | 64 | 3.3% |
| Professional Degree | 18 | 0.93% |
| Doctorate Degree | 0 | 0% |