US ZIP Code
37421

Chattanooga, TN

Hamilton County  ·  Tennessee

● Active
👥 52,516 Population
💰 $79,958 Median HH Income
≈ Avg ↑ 26% since 2019
🎂 41.1 Median Age ↑ 4% since 2019
🏠 $299,600 Median Home Value
≈ Avg ↑ 58% since 2019
🎓 49.4% College Grads
▲ 28% above avg
📊 3.5% Unemployment
▼ 28% below avg ↑ 5% since 2019
ZIP Code Details
ZIP Code37421
CityChattanooga
StateTennessee (TN)
CountyHamilton County
Area Code423
Elevation734 ft
Latitude35.027473
Longitude-85.153604
TimezoneChicago (DST)
FIPS47065
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.9% (25,654) Female 51.2% (26,862) ♀

Race & Ethnicity

White: 61.3%Hispanic: 8.3%Black: 23.1%Asian: 4.7%Other: 2.4%Race
White61.3%
Hispanic8.3%
Black23.1%
Asian4.7%
Other2.4%

Age Breakdown

Under 5
5%
5–17
14%
18–24
7%
25–44
28%
45–64
26%
65+
9%

Key Indicators

Median Age41.1 yrs ↑ 4% since 2019
Avg Household Size2.29
Below Poverty8.4% ▼ 16% below avg
College Grads49.4% ▲ 28% above avg
Unemployment3.5% ▼ 28% below avg
No HS Diploma538 (1.5%)
HS Graduate7,564 (21%)
Some College4,017 (11.2%)
Associates6,065 (16.9%)
Bachelors3,949 (11%)
Graduate Degree13,816 (38.4%)

Education

No HS: 1.5%HS Grad: 21%Some College: 11.2%Associates: 16.9%Bachelors: 11%Graduate: 38.4%Edu
No HS1.5%
HS Grad21.0%
Some College11.2%
Associates16.9%
Bachelors11.0%
Graduate38.4%
Housing & Income

Housing Tenure

Owner: 60.7%Renter: 39.4%Tenure
Owner60.7%
Renter39.4%

Home Value Distribution

Under $50k
3%
$50k–100k
1%
$100k–150k
4%
$150k–200k
9%
$200k–300k
33%
$300k–500k
38%
Over $500k
12%

Financials

Median HH Income$79,958 ≈ Avg ↑ 26% since 2019
Median Home Value$299,600 ≈ Avg ↑ 58% since 2019
Home/Income Ratio3.7x (nat avg ~3.5x)
Median Rent$1,313/mo ↑ 24% since 2019
Total Units23,978
Vacant Units1,778
Avg HH Size2.29

Income Distribution

Under $25k
13%
$25k–50k
16%
$50k–75k
17%
$75k–100k
15%
$100k–150k
18%
$150k–200k
9%
Over $200k
13%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
0%
Walked
0%
Work From Home
12%

Commute Time

Under 15 min
30%
15–30 min
46%
30–45 min
20%
Over 45 min
4%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
10%
1960s–1970s
15%
1980s–1990s
17%
2000+
57%

Summary

Total Units23,978
Vacant1,778
Owner Occupied60.7%
Renter Occupied39.4%
Avg HH Size2.29
Frequently Asked Questions
ZIP code 37421 is in Chattanooga, TN, in Hamilton County.
ZIP code 37421 is located in Tennessee (TN).
ZIP code 37421 is in Hamilton County, TN.
ZIP 37421 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 37421 is 52,516 people (ACS 2023).
The median household income in ZIP code 37421 is $79,958 (ACS 2023).
The median home value in ZIP 37421 is $299,600 (ACS 2023).
About ZIP Code 37421

ZIP code 37421 is located in Chattanooga, Tennessee, within Hamilton County. With a population of 52,516, this is a highly populated ZIP code with a middle-aged community — the median age is 41.1 years. Economically, 37421 is a middle-income ZIP code: the median household income of $79,958 is near the national average.

Real estate in ZIP code 37421 represents a mid-range housing market. The median home value of $299,600 is near the national average. Renters can expect to pay around $1,313 per month in median rent. Homeownership is strong here — 60.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 58% since 2019.

The population of 37421 is majority White (61.34%). Residents are well-educated — 49.4% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 8.4%. Household income has grown by 26% since 2019.

The unemployment rate in 37421 stands at 3.5%, 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 79%.

Overall, ZIP code 37421 in Chattanooga, TN is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 52,516 residents, a median household income of $79,958, and a median home value of $299,600, it offers a clear picture of life in this part of Tennessee.