US ZIP Code
37921

Knoxville, TN

Knox County  ·  Tennessee

● Active
👥 29,064 Population ↑ 7% since 2019
💰 $57,813 Median HH Income
▼ 24% below avg ↑ 19% since 2019
🎂 34.0 Median Age ↓ 3% since 2019
🏠 $204,300 Median Home Value
▼ 27% below avg ↑ 57% since 2019
🎓 40.4% College Grads
≈ Avg
📊 3.7% Unemployment
▼ 24% below avg ↓ 42% since 2019
ZIP Code Details
ZIP Code37921
CityKnoxville
StateTennessee (TN)
CountyKnox County
Area Code865
Elevation1,042 ft
Latitude35.978277
Longitude-84.001874
TimezoneChicago (DST)
FIPS47093
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.2% (14,003) Female 51.8% (15,061) ♀

Race & Ethnicity

White: 66.8%Hispanic: 8.7%Black: 19.2%Asian: 0.7%Other: 4.2%Race
White66.8%
Hispanic8.7%
Black19.2%
Asian0.7%
Other4.2%

Age Breakdown

Under 5
6%
5–17
19%
18–24
8%
25–44
30%
45–64
23%
65+
6%

Key Indicators

Median Age34.0 yrs ↓ 3% since 2019
Avg Household Size2.51
Below Poverty17.1% ▲ 71% above avg
College Grads40.4% ≈ Avg
Unemployment3.7% ▼ 24% below avg
No HS Diploma331 (1.9%)
HS Graduate5,036 (29.1%)
Some College2,512 (14.5%)
Associates2,439 (14.1%)
Bachelors2,048 (11.8%)
Graduate Degree4,946 (28.6%)

Education

No HS: 1.9%HS Grad: 29.1%Some College: 14.5%Associates: 14.1%Bachelors: 11.8%Graduate: 28.6%Edu
No HS1.9%
HS Grad29.1%
Some College14.5%
Associates14.1%
Bachelors11.8%
Graduate28.6%
Housing & Income

Housing Tenure

Owner: 60.9%Renter: 39.2%Tenure
Owner60.9%
Renter39.2%

Home Value Distribution

Under $50k
6%
$50k–100k
6%
$100k–150k
14%
$150k–200k
23%
$200k–300k
34%
$300k–500k
16%
Over $500k
2%

Financials

Median HH Income$57,813 ▼ 24% below avg ↑ 19% since 2019
Median Home Value$204,300 ▼ 27% below avg ↑ 57% since 2019
Home/Income Ratio3.5x (nat avg ~3.5x)
Median Rent$1,147/mo ↑ 30% since 2019
Total Units12,969
Vacant Units1,451
Avg HH Size2.51

Income Distribution

Under $25k
20%
$25k–50k
20%
$50k–75k
20%
$75k–100k
10%
$100k–150k
21%
$150k–200k
5%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
86%
Public Transit
1%
Walked
1%
Work From Home
12%

Commute Time

Under 15 min
25%
15–30 min
54%
30–45 min
17%
Over 45 min
4%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
10%
1960s–1970s
17%
1980s–1990s
16%
2000+
54%

Summary

Total Units12,969
Vacant1,451
Owner Occupied60.9%
Renter Occupied39.2%
Avg HH Size2.51
Frequently Asked Questions
ZIP code 37921 is in Knoxville, TN, in Knox County.
ZIP code 37921 is located in Tennessee (TN).
ZIP code 37921 is in Knox County, TN.
ZIP 37921 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 37921 is 29,064 people (ACS 2023).
The median household income in ZIP code 37921 is $57,813 (ACS 2023).
The median home value in ZIP 37921 is $204,300 (ACS 2023).
About ZIP Code 37921

ZIP code 37921 is located in Knoxville, Tennessee, within Knox County. With a population of 29,064, this is a moderately populated ZIP code with a relatively young community — the median age is 34 years. Economically, 37921 is a solidly middle-class ZIP code: the median household income of $57,813 is below the national average.

Real estate in ZIP code 37921 represents an affordable housing market. The median home value of $204,300 is below the national average. Renters can expect to pay around $1,147 per month in median rent. Homeownership is strong here — 60.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 57% since 2019.

The population of 37921 is majority White (66.81%). Residents are well-educated — 40.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 17.1%. Household income has grown by 19% since 2019.

The unemployment rate in 37921 stands at 3.7%, which is below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 37921 in Knoxville, TN is characterized as solidly middle-class, well-educated, a relatively young community, and predominantly owner-occupied. With 29,064 residents, a median household income of $57,813, and a median home value of $204,300, it offers a clear picture of life in this part of Tennessee.