ZIP 37921 vs ZIP 37931
A side-by-side comparison of ZIP Code 37921 and ZIP Code 37931: population, income, housing, and more.
ZIP 37921 and ZIP 37931 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37931 has the higher population (31,149 vs 29,064 in ZIP 37921). ZIP 37931 has the higher median household income ($91,284 vs $57,813 in ZIP 37921). ZIP 37931 has the higher median home value ($317,100 vs $204,300 in ZIP 37921).
Population, income & housing
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| Population | 29,064 | 31,149 |
| Median age | 34.0 yrs | 38.2 yrs |
| Median household income | $57,813 | $91,284 |
| Median home value | $204,300 | $317,100 |
| Median gross rent | $1,147 | $1,450 |
| Housing units | 12,969 | 12,770 |
| Homeownership rate | 60.9% | 71.0% |
| Bachelor's degree or higher | 26.6% | 44.8% |
| Unemployment rate | 3.7% | 2.8% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| Population | 27,259 → 29,064 (+6.6%) | 28,584 → 31,149 (+9.0%) |
| Median household income | $48,481 → $57,813 (+19.2%) | $81,011 → $91,284 (+12.7%) |
| Median home value | $130,400 → $204,300 (+56.7%) | $223,800 → $317,100 (+41.7%) |
| Median gross rent | $885 → $1,147 (+29.6%) | $1,036 → $1,450 (+40.0%) |
ZIP 37921
27,25929,064
$48,481$57,813
$130,400$204,300
$885$1,147
ZIP 37931
28,58431,149
$81,011$91,284
$223,800$317,100
$1,036$1,450
Age & race/ethnicity
Age distribution (share)
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| Under 5 | 6.4% | 6.1% |
| 5 to 17 | 19.2% | 17.1% |
| 18 to 24 | 8.1% | 6.7% |
| 25 to 34 | 17.7% | 15.8% |
| 35 to 44 | 12.1% | 14.6% |
| 45 to 54 | 12.3% | 11.9% |
| 55 to 64 | 10.9% | 12.8% |
| 65 to 74 | 8.4% | 9.4% |
| 75 and over | 4.8% | 5.6% |
Race & ethnicity (share)
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| White (non-Hispanic) | 66.8% | 83.4% |
| Black or African American | 19.2% | 3.9% |
| American Indian & Alaska Native | 0.1% | 0.2% |
| Asian | 0.7% | 1.9% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.4% | 0.7% |
| Two or more races | 4.2% | 3.7% |
| Hispanic or Latino | 8.6% | 6.2% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| No high school diploma | 12.9% | 6.4% |
| High school graduate | 30.4% | 23.6% |
| Some college or associate's | 30.1% | 25.2% |
| Bachelor's degree | 18.1% | 29.0% |
| Graduate or professional degree | 8.4% | 15.8% |
Commute to work
How workers get to work (share)
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| Drove alone | 75.9% | 78.6% |
| Carpooled | 10.7% | 5.0% |
| Public transit | 0.7% | 0.2% |
| Walked | 0.9% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 10.7% | 15.8% |
| Other means | 1.1% | 0.4% |
Housing
Units in structure (share)
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| 1-unit, detached | 70.5% | 69.6% |
| 1-unit, attached | 5.3% | 7.4% |
| 2 to 4 units | 6.9% | 2.8% |
| 5 to 19 units | 11.9% | 9.9% |
| 20 or more units | 2.6% | 4.4% |
| Mobile home & other | 2.7% | 5.9% |
Poverty & households
| ZIP 37921 | ZIP 37931 | |
|---|---|---|
| Poverty rate | 17.1% | 6.5% |
| Average household size | 2.51 | 2.54 |
| Mean commute (minutes) | 21 | 23 |
| Median year structure built | 1978 | 1997 |