ZIP Code 37421
ZIP Code Tabulation Area in Hamilton County, Tennessee.
- Population
- 52,516
- Median household income
- $79,958
- Median home value
- $299,600
+0.5%’19–’23
+26.5%’19–’23
+57.5%’19–’23
Covering part of Hamilton County, Tennessee, ZIP Code 37421 has about 52,516 residents. At $79,958, its median household income sits above Hamilton County's $72,568.
From 2019 to 2023, ZIP Code 37421's population held roughly steady from 52,254 to 52,516, while its median gross rent rose 24.0% from $1,059 to $1,313.
The median gross rent is $1,313. 37.9% of adults 25 and older hold a bachelor's degree or higher.
Demographics
ACS 2019–2023- Population
- 52,516
- Median age
- 41.1 yrs
- Median household income
- $79,958
- Median home value
- $299,600
- Median gross rent
- $1,313
- Housing units
- 23,978
- Homeownership rate
- 60.6%
- Bachelor's degree or higher
- 37.9%
- Unemployment rate
- 3.5%
Trends
ACS 5-year · 2019–202352,25452,516
$63,225$79,958
$190,200$299,600
$1,059$1,313
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 52,254 | $63,225 | $190,200 | $1,059 |
| 2020 | 53,050 | $64,859 | $203,300 | $1,080 |
| 2021 | 53,653 | $68,982 | $226,500 | $1,135 |
| 2022 | 52,507 | $76,562 | $265,000 | $1,224 |
| 2023 | 52,516 | $79,958 | $299,600 | $1,313 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 54.8%
5 to 1714.4%
18 to 247.2%
25 to 3415.7%
35 to 4412.8%
45 to 5413.2%
55 to 6412.5%
65 to 7411.5%
75 and over7.8%
| Count | Share | |
|---|---|---|
| Under 5 | 2,518 | 4.8% |
| 5 to 17 | 7,568 | 14.4% |
| 18 to 24 | 3,806 | 7.2% |
| 25 to 34 | 8,220 | 15.7% |
| 35 to 44 | 6,734 | 12.8% |
| 45 to 54 | 6,928 | 13.2% |
| 55 to 64 | 6,585 | 12.5% |
| 65 to 74 | 6,058 | 11.5% |
| 75 and over | 4,099 | 7.8% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 32,215 | 61.3% |
| Black or African American | 12,145 | 23.1% |
| American Indian & Alaska Native | 40 | 0.1% |
| Asian | 2,449 | 4.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 35 | 0.1% |
| Two or more races | 1,253 | 2.4% |
| Hispanic or Latino (any race) | 4,379 | 8.3% |
Educational attainment (age 25+)
No high school diploma7.7%
High school graduate21.5%
Some college or associate's32.9%
Bachelor's degree22.9%
Graduate or professional degree15.0%
| Count | Share | |
|---|---|---|
| No high school diploma | 2,975 | 7.7% |
| High school graduate | 8,316 | 21.5% |
| Some college or associate's | 12,694 | 32.9% |
| Bachelor's degree | 8,845 | 22.9% |
| Graduate or professional degree | 5,794 | 15.0% |
Commute to work
- Mean travel time to work
- 20 min
Drove alone78.8%
Carpooled8.4%
Public transit0.1%
Walked0.2%
Bicycle0.3%
Worked from home11.0%
Other means1.2%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 21,904 | 78.8% |
| Carpooled | 2,342 | 8.4% |
| Public transit | 32 | 0.1% |
| Walked | 54 | 0.2% |
| Bicycle | 81 | 0.3% |
| Worked from home | 3,051 | 11.0% |
| Other means | 338 | 1.2% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 7,354 | 29.7% |
| 15 to 29 min | 11,432 | 46.2% |
| 30 to 44 min | 4,949 | 20.0% |
| 45 to 59 min | 555 | 2.2% |
| 60+ min | 461 | 1.9% |
Households
- Average household size
- 2.29
- Poverty rate
- 8.7% (4,403 of 50,853)
| Count | Share | |
|---|---|---|
| Family households | 13,039 | 58.7% |
| Nonfamily households | 9,161 | 41.3% |
Housing
- Median year structure built
- 1990
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 22,200 | 92.6% |
| Vacant | 1,778 | 7.4% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 13,464 | 60.6% |
| Renter-occupied | 8,736 | 39.4% |
1-unit, detached59.4%
1-unit, attached7.0%
2 to 4 units5.4%
5 to 19 units14.0%
20 or more units12.8%
Mobile home & other1.4%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 14,237 | 59.4% |
| 1-unit, attached | 1,689 | 7.0% |
| 2 to 4 units | 1,286 | 5.4% |
| 5 to 19 units | 3,349 | 14.0% |
| 20 or more units | 3,078 | 12.8% |
| Mobile home & other | 339 | 1.4% |
Geography
- ZCTA
- 37421
- Land area
- 32 sq mi
- Water area
- 0.01 sq mi
- Center point
- 35.0275, -85.1536
Counties this ZIP covers
1Compare with nearby ZIP codes
5National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)