ZIP 37821 vs ZIP 37830
A side-by-side comparison of ZIP Code 37821 and ZIP Code 37830: population, income, housing, and more.
ZIP 37821 and ZIP 37830 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 37830 has the higher population (32,519 vs 22,113 in ZIP 37821). ZIP 37830 has the higher median household income ($70,795 vs $45,350 in ZIP 37821). ZIP 37830 has the higher median home value ($234,500 vs $127,800 in ZIP 37821).
Population, income & housing
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| Population | 22,113 | 32,519 |
| Median age | 43.7 yrs | 39.6 yrs |
| Median household income | $45,350 | $70,795 |
| Median home value | $127,800 | $234,500 |
| Median gross rent | $789 | $1,076 |
| Housing units | 10,897 | 15,110 |
| Homeownership rate | 65.9% | 65.0% |
| Bachelor's degree or higher | 9.3% | 39.2% |
| Unemployment rate | 3.6% | 4.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| Population | 21,975 → 22,113 (+0.6%) | 29,479 → 32,519 (+10.3%) |
| Median household income | $33,214 → $45,350 (+36.5%) | $55,448 → $70,795 (+27.7%) |
| Median home value | $108,300 → $127,800 (+18.0%) | $157,300 → $234,500 (+49.1%) |
| Median gross rent | $649 → $789 (+21.6%) | $807 → $1,076 (+33.3%) |
ZIP 37821
21,97522,113
$33,214$45,350
$108,300$127,800
$649$789
ZIP 37830
29,47932,519
$55,448$70,795
$157,300$234,500
$807$1,076
Age & race/ethnicity
Age distribution (share)
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| Under 5 | 6.6% | 4.8% |
| 5 to 17 | 15.5% | 19.6% |
| 18 to 24 | 7.9% | 6.6% |
| 25 to 34 | 11.3% | 13.5% |
| 35 to 44 | 9.7% | 11.6% |
| 45 to 54 | 14.0% | 11.5% |
| 55 to 64 | 15.0% | 13.1% |
| 65 to 74 | 12.6% | 11.3% |
| 75 and over | 7.3% | 7.9% |
Race & ethnicity (share)
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| White (non-Hispanic) | 91.9% | 80.2% |
| Black or African American | 1.4% | 6.1% |
| American Indian & Alaska Native | 0.2% | 0.1% |
| Asian | 0.7% | 2.7% |
| Native Hawaiian & Pacific Islander | 0.1% | 0.2% |
| Some other race | 0.0% | 0.4% |
| Two or more races | 3.0% | 3.9% |
| Hispanic or Latino | 2.9% | 6.5% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| No high school diploma | 16.4% | 8.8% |
| High school graduate | 50.4% | 21.8% |
| Some college or associate's | 23.8% | 30.3% |
| Bachelor's degree | 6.4% | 21.6% |
| Graduate or professional degree | 2.9% | 17.6% |
Commute to work
How workers get to work (share)
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| Drove alone | 79.0% | 71.5% |
| Carpooled | 13.6% | 11.5% |
| Public transit | 0.0% | 0.1% |
| Walked | 1.1% | 2.1% |
| Bicycle | 0.0% | 0.1% |
| Worked from home | 3.8% | 13.9% |
| Other means | 2.5% | 0.7% |
Housing
Units in structure (share)
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| 1-unit, detached | 57.6% | 68.6% |
| 1-unit, attached | 0.4% | 6.6% |
| 2 to 4 units | 9.5% | 6.2% |
| 5 to 19 units | 3.0% | 10.3% |
| 20 or more units | 0.2% | 7.9% |
| Mobile home & other | 29.1% | 0.5% |
Poverty & households
| ZIP 37821 | ZIP 37830 | |
|---|---|---|
| Poverty rate | 24.5% | 13.1% |
| Average household size | 2.33 | 2.38 |
| Mean commute (minutes) | 29 | 23 |
| Median year structure built | 1984 | 1963 |