ZIP 37820 vs ZIP 37821
A side-by-side comparison of ZIP Code 37820 and ZIP Code 37821: population, income, housing, and more.
ZIP 37820 and ZIP 37821 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37821 has the higher population (22,113 vs 7,743 in ZIP 37820). ZIP 37820 has the higher median household income ($62,901 vs $45,350 in ZIP 37821). ZIP 37820 has the higher median home value ($193,500 vs $127,800 in ZIP 37821).
Population, income & housing
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| Population | 7,743 | 22,113 |
| Median age | 46.4 yrs | 43.7 yrs |
| Median household income | $62,901 | $45,350 |
| Median home value | $193,500 | $127,800 |
| Median gross rent | $853 | $789 |
| Housing units | 3,485 | 10,897 |
| Homeownership rate | 82.0% | 65.9% |
| Bachelor's degree or higher | 16.3% | 9.3% |
| Unemployment rate | 3.3% | 3.6% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| Population | 8,354 → 7,743 (-7.3%) | 21,975 → 22,113 (+0.6%) |
| Median household income | $46,250 → $62,901 (+36.0%) | $33,214 → $45,350 (+36.5%) |
| Median home value | $128,500 → $193,500 (+50.6%) | $108,300 → $127,800 (+18.0%) |
| Median gross rent | $642 → $853 (+32.9%) | $649 → $789 (+21.6%) |
ZIP 37820
8,3547,743
$46,250$62,901
$128,500$193,500
$642$853
ZIP 37821
21,97522,113
$33,214$45,350
$108,300$127,800
$649$789
Age & race/ethnicity
Age distribution (share)
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| Under 5 | 4.7% | 6.6% |
| 5 to 17 | 13.9% | 15.5% |
| 18 to 24 | 7.5% | 7.9% |
| 25 to 34 | 11.3% | 11.3% |
| 35 to 44 | 11.0% | 9.7% |
| 45 to 54 | 14.4% | 14.0% |
| 55 to 64 | 16.0% | 15.0% |
| 65 to 74 | 12.0% | 12.6% |
| 75 and over | 9.3% | 7.3% |
Race & ethnicity (share)
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| White (non-Hispanic) | 90.2% | 91.9% |
| Black or African American | 0.9% | 1.4% |
| American Indian & Alaska Native | 0.1% | 0.2% |
| Asian | 0.1% | 0.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.1% |
| Some other race | 0.6% | 0.0% |
| Two or more races | 1.8% | 3.0% |
| Hispanic or Latino | 6.3% | 2.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| No high school diploma | 10.9% | 16.4% |
| High school graduate | 43.0% | 50.4% |
| Some college or associate's | 29.8% | 23.8% |
| Bachelor's degree | 11.6% | 6.4% |
| Graduate or professional degree | 4.7% | 2.9% |
Commute to work
How workers get to work (share)
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| Drove alone | 80.4% | 79.0% |
| Carpooled | 9.0% | 13.6% |
| Public transit | 1.2% | 0.0% |
| Walked | 2.7% | 1.1% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 6.8% | 3.8% |
| Other means | 0.0% | 2.5% |
Housing
Units in structure (share)
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| 1-unit, detached | 72.6% | 57.6% |
| 1-unit, attached | 0.1% | 0.4% |
| 2 to 4 units | 0.0% | 9.5% |
| 5 to 19 units | 0.0% | 3.0% |
| 20 or more units | 0.4% | 0.2% |
| Mobile home & other | 27.0% | 29.1% |
Poverty & households
| ZIP 37820 | ZIP 37821 | |
|---|---|---|
| Poverty rate | 9.0% | 24.5% |
| Average household size | 2.56 | 2.33 |
| Mean commute (minutes) | 30 | 29 |
| Median year structure built | 1987 | 1984 |