ZIP 37915 vs ZIP 37921
A side-by-side comparison of ZIP Code 37915 and ZIP Code 37921: population, income, housing, and more.
ZIP 37915 and ZIP 37921 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37921 has the higher population (29,064 vs 6,124 in ZIP 37915). ZIP 37921 has the higher median household income ($57,813 vs $22,236 in ZIP 37915). ZIP 37915 has the higher median home value ($206,400 vs $204,300 in ZIP 37921).
Population, income & housing
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| Population | 6,124 | 29,064 |
| Median age | 31.7 yrs | 34.0 yrs |
| Median household income | $22,236 | $57,813 |
| Median home value | $206,400 | $204,300 |
| Median gross rent | $519 | $1,147 |
| Housing units | 3,722 | 12,969 |
| Homeownership rate | 24.2% | 60.9% |
| Bachelor's degree or higher | 16.5% | 26.6% |
| Unemployment rate | 9.0% | 3.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| Population | 5,252 → 6,124 (+16.6%) | 27,259 → 29,064 (+6.6%) |
| Median household income | $15,571 → $22,236 (+42.8%) | $48,481 → $57,813 (+19.2%) |
| Median home value | $85,700 → $206,400 (+140.8%) | $130,400 → $204,300 (+56.7%) |
| Median gross rent | $388 → $519 (+33.8%) | $885 → $1,147 (+29.6%) |
ZIP 37915
5,2526,124
$15,571$22,236
$85,700$206,400
$388$519
ZIP 37921
27,25929,064
$48,481$57,813
$130,400$204,300
$885$1,147
Age & race/ethnicity
Age distribution (share)
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| Under 5 | 5.5% | 6.4% |
| 5 to 17 | 15.7% | 19.2% |
| 18 to 24 | 14.3% | 8.1% |
| 25 to 34 | 16.9% | 17.7% |
| 35 to 44 | 12.2% | 12.1% |
| 45 to 54 | 10.5% | 12.3% |
| 55 to 64 | 12.9% | 10.9% |
| 65 to 74 | 8.2% | 8.4% |
| 75 and over | 3.8% | 4.8% |
Race & ethnicity (share)
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| White (non-Hispanic) | 40.5% | 66.8% |
| Black or African American | 52.2% | 19.2% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.2% | 0.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.4% |
| Two or more races | 2.6% | 4.2% |
| Hispanic or Latino | 4.5% | 8.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| No high school diploma | 23.9% | 12.9% |
| High school graduate | 25.4% | 30.4% |
| Some college or associate's | 34.2% | 30.1% |
| Bachelor's degree | 13.1% | 18.1% |
| Graduate or professional degree | 3.4% | 8.4% |
Commute to work
How workers get to work (share)
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| Drove alone | 75.1% | 75.9% |
| Carpooled | 3.9% | 10.7% |
| Public transit | 6.6% | 0.7% |
| Walked | 4.2% | 0.9% |
| Bicycle | 0.7% | 0.0% |
| Worked from home | 5.4% | 10.7% |
| Other means | 4.2% | 1.1% |
Housing
Units in structure (share)
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| 1-unit, detached | 31.6% | 70.5% |
| 1-unit, attached | 3.1% | 5.3% |
| 2 to 4 units | 7.8% | 6.9% |
| 5 to 19 units | 22.9% | 11.9% |
| 20 or more units | 34.2% | 2.6% |
| Mobile home & other | 0.4% | 2.7% |
Poverty & households
| ZIP 37915 | ZIP 37921 | |
|---|---|---|
| Poverty rate | 45.3% | 17.1% |
| Average household size | 1.87 | 2.51 |
| Mean commute (minutes) | 24 | 21 |
| Median year structure built | 1977 | 1978 |