ZIP 37721 vs ZIP 37731
A side-by-side comparison of ZIP Code 37721 and ZIP Code 37731: population, income, housing, and more.
ZIP 37721 and ZIP 37731 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37721 has the higher population (14,649 vs 756 in ZIP 37731). ZIP 37721 has the higher median household income ($64,674 vs $50,078 in ZIP 37731). Since 2019, ZIP 37731's population has grown faster (+60.9% vs +9.1%).
Population, income & housing
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| Population | 14,649 | 756 |
| Median age | 41.1 yrs | 33.8 yrs |
| Median household income | $64,674 | $50,078 |
| Median home value | $218,900 | — |
| Median gross rent | $960 | — |
| Housing units | 5,844 | 455 |
| Homeownership rate | 84.0% | 88.2% |
| Bachelor's degree or higher | 17.2% | 6.8% |
| Unemployment rate | 3.8% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| Population | 13,426 → 14,649 (+9.1%) | 470 → 756 (+60.9%) |
| Median household income | $56,982 → $64,674 (+13.5%) | $39,904 → $50,078 (+25.5%) |
| Median home value | $154,200 → $218,900 (+42.0%) | $52,300 → $73,800 (+41.1%) |
| Median gross rent | $973 → $960 (-1.3%) | — |
ZIP 37721
13,42614,649
$56,982$64,674
$154,200$218,900
$973$960
ZIP 37731
470756
$39,904$50,078
$52,300$73,800
Age & race/ethnicity
Age distribution (share)
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| Under 5 | 6.3% | 12.4% |
| 5 to 17 | 16.3% | 20.2% |
| 18 to 24 | 8.9% | 3.0% |
| 25 to 34 | 12.3% | 18.1% |
| 35 to 44 | 11.1% | 10.4% |
| 45 to 54 | 13.7% | 9.3% |
| 55 to 64 | 13.8% | 10.4% |
| 65 to 74 | 11.4% | 11.9% |
| 75 and over | 6.3% | 4.1% |
Race & ethnicity (share)
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| White (non-Hispanic) | 93.2% | 100.0% |
| Black or African American | 1.1% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.3% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 2.2% | 0.0% |
| Two or more races | 1.9% | 0.0% |
| Hispanic or Latino | 1.2% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| No high school diploma | 10.1% | 11.3% |
| High school graduate | 38.6% | 58.6% |
| Some college or associate's | 34.1% | 23.3% |
| Bachelor's degree | 11.3% | 0.0% |
| Graduate or professional degree | 5.9% | 6.8% |
Commute to work
How workers get to work (share)
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| Drove alone | 88.1% | 89.5% |
| Carpooled | 5.9% | 3.1% |
| Public transit | 0.1% | 0.0% |
| Walked | 0.0% | 4.9% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 5.8% | 2.4% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| 1-unit, detached | 79.9% | 70.1% |
| 1-unit, attached | 1.7% | 0.0% |
| 2 to 4 units | 1.4% | 0.0% |
| 5 to 19 units | 0.1% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 16.8% | 29.9% |
Poverty & households
| ZIP 37721 | ZIP 37731 | |
|---|---|---|
| Poverty rate | 8.5% | 33.7% |
| Average household size | 2.64 | 2.63 |
| Mean commute (minutes) | 30 | 40 |
| Median year structure built | 1993 | 2010 |