ZIP 37220 vs ZIP 37221
A side-by-side comparison of ZIP Code 37220 and ZIP Code 37221: population, income, housing, and more.
ZIP 37220 and ZIP 37221 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37221 has the higher population (41,811 vs 5,483 in ZIP 37220). ZIP 37220 has the higher median household income ($156,227 vs $99,083 in ZIP 37221). ZIP 37220 has the higher median home value ($746,000 vs $432,900 in ZIP 37221).
Population, income & housing
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| Population | 5,483 | 41,811 |
| Median age | 46.6 yrs | 39.5 yrs |
| Median household income | $156,227 | $99,083 |
| Median home value | $746,000 | $432,900 |
| Median gross rent | $1,468 | $1,778 |
| Housing units | 2,364 | 20,323 |
| Homeownership rate | 89.6% | 70.4% |
| Bachelor's degree or higher | 77.8% | 62.0% |
| Unemployment rate | 1.5% | 4.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| Population | 5,880 → 5,483 (-6.8%) | 41,017 → 41,811 (+1.9%) |
| Median household income | $119,803 → $156,227 (+30.4%) | $83,331 → $99,083 (+18.9%) |
| Median home value | $475,300 → $746,000 (+57.0%) | $282,600 → $432,900 (+53.2%) |
| Median gross rent | $1,776 → $1,468 (-17.3%) | $1,350 → $1,778 (+31.7%) |
ZIP 37220
5,8805,483
$119,803$156,227
$475,300$746,000
$1,776$1,468
ZIP 37221
41,01741,811
$83,331$99,083
$282,600$432,900
$1,350$1,778
Age & race/ethnicity
Age distribution (share)
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| Under 5 | 6.9% | 5.8% |
| 5 to 17 | 14.0% | 15.6% |
| 18 to 24 | 2.0% | 6.1% |
| 25 to 34 | 9.0% | 15.5% |
| 35 to 44 | 15.7% | 13.6% |
| 45 to 54 | 14.2% | 12.9% |
| 55 to 64 | 13.6% | 12.1% |
| 65 to 74 | 17.3% | 10.9% |
| 75 and over | 7.3% | 7.5% |
Race & ethnicity (share)
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| White (non-Hispanic) | 94.1% | 79.3% |
| Black or African American | 0.5% | 7.3% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.1% | 3.8% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.8% |
| Two or more races | 3.7% | 3.2% |
| Hispanic or Latino | 1.5% | 5.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| No high school diploma | 1.4% | 3.2% |
| High school graduate | 7.8% | 11.7% |
| Some college or associate's | 13.0% | 23.1% |
| Bachelor's degree | 47.0% | 36.5% |
| Graduate or professional degree | 30.8% | 25.6% |
Commute to work
How workers get to work (share)
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| Drove alone | 78.8% | 72.1% |
| Carpooled | 3.3% | 7.1% |
| Public transit | 0.0% | 0.5% |
| Walked | 2.0% | 0.2% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 15.9% | 19.7% |
| Other means | 0.0% | 0.4% |
Housing
Units in structure (share)
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| 1-unit, detached | 91.7% | 53.0% |
| 1-unit, attached | 3.6% | 15.9% |
| 2 to 4 units | 4.5% | 7.1% |
| 5 to 19 units | 0.0% | 14.3% |
| 20 or more units | 0.0% | 9.3% |
| Mobile home & other | 0.3% | 0.4% |
Poverty & households
| ZIP 37220 | ZIP 37221 | |
|---|---|---|
| Poverty rate | 4.5% | 6.3% |
| Average household size | 2.41 | 2.20 |
| Mean commute (minutes) | 21 | 26 |
| Median year structure built | 1962 | 1991 |