Zip code 37421: Chattanooga, Tennessee

Q: What city is zip code 37421?

37421 is assigned to Chattanooga, Tennessee. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 37421 in?

37421 is in Hamilton County, Tennessee.

Q: What is the population of 37421?

About 52,985 people live in 37421, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 37421?

The median household income in 37421 is $82,517.

Q: What zip codes are near 37421?

The closest zip codes to 37421 are 30726, 37411, 37412, 37416, 37315.

Residential delivery areaHamilton CountyEastern Time

Population

52,985

Median household income

$83K

U.S. $81K

Median home value

$334K

U.S. $333K

Median rent

$1,405/mo

U.S. $1,413

Median age

40.8

U.S. 38.9

Land area

32 sq mi

1,671 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 37421

37421 is a suburban zip code in Chattanooga, Tennessee (Hamilton County), covering 32 sq mi of land. About 52,985 people live here, or 1,671 per square mile. The median resident is 40.8 years old, compared with 38.9 nationally.

The median household earns $82,517 a year, close to the national median of $80,734. 10.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $333,700, or 4.0 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 60% of occupied homes are lived in by their owners, and renters pay a median of $1,405 a month.

39% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.8 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in healthcare; office and administrative support; and management.

How 37421 compares

Sorted from highest to lowest national percentile

Healthcare workers12.7%
86th
U.S. 9.7% · TN 9.6%117th of 607 in TN
Population52,985
83rd
U.S. 334,922,499 · TN 7,066,38320th of 608 in TN
Uninsured rate11.1%
76th
U.S. 8.4% · TN 10%210th of 607 in TN
Residents 65 and older19.4%
70th
U.S. 17.2% · TN 17.1%293rd of 608 in TN
Per capita income$47,620
68th
U.S. $44,673 · TN $39,43772nd of 608 in TN
Diversity index57.3
66th
U.S. 61.4 · TN 46.439th of 608 in TN
Broadband access94%
66th
U.S. 91% · TN 89.2%77th of 600 in TN
Income inequality (Gini)0.453
65th
U.S. 0.483 · TN 0.476211th of 600 in TN
Median age40.8
63rd
U.S. 38.9 · TN 38.9359th of 608 in TN
Bachelor's degree or higher38.8%
63rd
U.S. 35.7% · TN 31.1%79th of 604 in TN
Tech workers3.4%
60th
U.S. 3.8% · TN 2.8%115th of 607 in TN
Housing vacancy7.4%
56th
U.S. 10.1% · TN 10.2%448th of 602 in TN
Population density1,671/sq mi
53rd
U.S. 95/sq mi · TN 171/sq mi62nd of 608 in TN
Median household income$82,517
53rd
U.S. $80,734 · TN $69,595109th of 590 in TN
Foreign-born residents10.6%
53rd
U.S. 14.1% · TN 6.1%32nd of 608 in TN
Median earnings per worker$48,465
51st
U.S. $49,666 · TN $45,229152nd of 606 in TN
Median home value$333,700
50th
U.S. $332,700 · TN $286,700109th of 590 in TN
Median gross rent$1,405
50th
U.S. $1,413 · TN $1,18967th of 515 in TN
Poverty rate10.9%
50th
U.S. 12.5% · TN 13.8%396th of 600 in TN
Veterans5.8%
49th
U.S. 6.2% · TN 7.3%430th of 607 in TN
Work from home12.4%
48th
U.S. 15.1% · TN 12.9%179th of 608 in TN
Homeownership rate60.2%
32nd
U.S. 65.2% · TN 66.9%516th of 600 in TN
Self-employed workers7.8%
29th
U.S. 10% · TN 9.8%423rd of 607 in TN
Residents under 1819.5%
28th
U.S. 22% · TN 22.2%374th of 608 in TN
Unemployment rate3.5%
24th
U.S. 5.2% · TN 4.7%349th of 607 in TN
Government workers10.4%
22nd
U.S. 14.5% · TN 13.7%473rd of 607 in TN
Rent-burdened renters42.2%
21st
U.S. 51.1% · TN 48.8%314th of 584 in TN
Average commute19.8 min
12th
StrengthU.S. 26.4 min · TN 25.7 min539th of 597 in TN

Measure	37421	Hamilton	TN	U.S.	National percentile	Rank in TN
Healthcare workers	12.7%	10.5%	9.6%	9.7%	86th	117th of 607
Population	52,985	376,192	7,066,383	334,922,499	83rd	20th of 608
Uninsured rate	11.1%	9.7%	10%	8.4%	76th	210th of 607
Residents 65 and older	19.4%	18.4%	17.1%	17.2%	70th	293rd of 608
Per capita income	$47,620	$45,341	$39,437	$44,673	68th	72nd of 608
Diversity index	57.3	49.6	46.4	61.4	66th	39th of 608
Broadband access	94%	91.5%	89.2%	91%	66th	77th of 600
Income inequality (Gini)	0.453	0.485	0.476	0.483	65th	211th of 600
Median age	40.8	39.5	38.9	38.9	63rd	359th of 608
Bachelor's degree or higher	38.8%	37.5%	31.1%	35.7%	63rd	79th of 604
Tech workers	3.4%	3.1%	2.8%	3.8%	60th	115th of 607
Housing vacancy	7.4%	8.2%	10.2%	10.1%	56th	448th of 602
Population density	1,671/sq mi	694/sq mi	171/sq mi	95/sq mi	53rd	62nd of 608
Median household income	$82,517	$76,183	$69,595	$80,734	53rd	109th of 590
Foreign-born residents	10.6%	6.6%	6.1%	14.1%	53rd	32nd of 608
Median earnings per worker	$48,465	$48,303	$45,229	$49,666	51st	152nd of 606
Median home value	$333,700	$312,800	$286,700	$332,700	50th	109th of 590
Median gross rent	$1,405	$1,253	$1,189	$1,413	50th	67th of 515
Poverty rate	10.9%	13.1%	13.8%	12.5%	50th	396th of 600
Veterans	5.8%	6.7%	7.3%	6.2%	49th	430th of 607
Work from home	12.4%	14.3%	12.9%	15.1%	48th	179th of 608
Homeownership rate	60.2%	63.9%	66.9%	65.2%	32nd	516th of 600
Self-employed workers	7.8%	9.3%	9.8%	10%	29th	423rd of 607
Residents under 18	19.5%	21.1%	22.2%	22%	28th	374th of 608
Unemployment rate	3.5%	4.4%	4.7%	5.2%	24th	349th of 607
Government workers	10.4%	11.6%	13.7%	14.5%	22nd	473rd of 607
Rent-burdened renters	42.2%	45.2%	48.8%	51.1%	21st	314th of 584
Average commuteStrength	19.8 min	22.1 min	25.7 min	26.4 min	12th	539th of 597

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

15%

5–17

18–24

15%

25–34

13%

35–44

13%

45–54

12%

55–64

11%

65–74

75+

Median age

40.8

Under 18

19.5%

65 and over

19.4%

Race and ethnicity

White60%
Black22%
Hispanic10%
Asian5%
Native American0.0%
Pacific Islander0%
Other0.1%
Multiracial3%

Diversity index

57.3

U.S. 61.4

Foreign-born

10.6%

U.S. 14.1%

Born in state

49.7%

Language spoken at home (households)

English only

87%

Spanish

Other Indo-European

Asian / Pacific

Other

0.6%

Households

Households: 22,278
Average household size: 2.3
Family households: 60.3%
Married couples: 43.3%
Living alone: 32.6%
Veterans (of adults): 5.8%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

12%

$25–50k

16%

$50–75k

17%

$75–100k

15%

$100–150k

19%

$150–200k

$200k+

12%

Median household income

37421

$82,517

Hamilton Co.

$76,183

Tennessee

$69,595

United States

$80,734

Per capita income

$47,620

U.S. $44,673

Poverty rate

10.9%

U.S. 12.5%

Households earning $150K+

20.7%

U.S. 23%

Income inequality (Gini)

0.453

U.S. 0.483

Housing

Median home value

37421

$333,700

Hamilton Co.

$312,800

Tennessee

$286,700

United States

$332,700

Median gross rent

37421

$1,405

Hamilton Co.

$1,253

Tennessee

$1,189

United States

$1,413

Types of housing

Single-family

68%

2–4 units

5–19 units

12%

20+ units

14%

Mobile home

Boat, RV, van

0.1%

Housing units: 24,063
Owner-occupied: 60.2%
Vacant: 7.4%
Median year built: 1989
Median rooms: 5.9
Renters paying 30%+ of income: 42.2%
Renters paying 50%+ of income: 22.9%
Home value to income: 4.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

Transit

0.1%

Walked

0.1%

Bicycle

0.3%

Worked from home

12%

Other

Commute time (one way)

<10 min

14%

10–19

39%

20–29

25%

30–44

19%

45–59

60+

Average commute

19.8 min

U.S. 26.4 min

Unemployment

3.5%

U.S. 5.2%

In labor force

66.1%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare

13%

Office and admin

12%

Management

11%

Sales

11%

Production

Transportation and moving

Construction and repair

Business and finance

Education

Food service

Cleaning and personal care

Computer and math

Engineering and science

Legal and social services

Arts, media and sports

Police and fire

Farming, fishing and forestry

0.1%

Industries

Health care and social assistance

15%

Manufacturing

14%

Retail

12%

Finance, insurance and real estate

Education

Restaurants and hotels

Transportation, warehousing and utilities

Professional and technical services

Construction

Other services

Admin, support and management

Public administration

Arts and recreation

Wholesale

Information

0.8%

Agriculture and mining

0.2%

Median earnings per worker

$48,465

U.S. $49,666

Self-employed

7.8%

U.S. 10%

Government workers

10.4%

U.S. 14.5%

Nonprofit workers

10.9%

U.S. 8.8%

Median earnings by type of work

Type of work	37421	U.S.
Management, business, science and arts	$71,009	$74,888
Service	$28,714	$26,804
Sales and office	$41,194	$40,476
Construction and maintenance	$48,651	$49,199
Production and transportation	$41,407	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

22%

Some college

21%

Associate's

10%

Bachelor's

25%

Graduate

14%

High school graduate or higher: 91.7%
Bachelor's degree or higher: 38.8%
Graduate or professional degree: 14.3%
Households with broadband: 94%
Cable, fiber or DSL: 85.6%
No internet access: 3%
Without health insurance: 11.1%
Limited-English households: 3.3%

Geography

City (USPS): Chattanooga
State: Tennessee
County: Hamilton County
Center point: 35.0275° N, 85.1536° W
Land area: 32 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Chattanooga77% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 37421

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
30726	Graysville, GA	3.7 mi	0	—	—
37411	Chattanooga, TN	4.3 mi	18,997	$56,579	$232,300
37412	Chattanooga, TN	4.7 mi	21,864	$62,508	$209,900
37416	Chattanooga, TN	4.9 mi	13,919	$70,705	$253,100
37315	Collegedale, TN	5.9 mi	1,825	—	—
37406	Chattanooga, TN	6.1 mi	13,364	$44,850	$168,000
37404	Chattanooga, TN	6.8 mi	14,737	$56,637	$255,400
37302	Apison, TN	7.5 mi	5,082	$128,885	$419,800
37351	Lupton City, TN	7.9 mi	281	$50,250	$219,000
37407	Chattanooga, TN	7.9 mi	9,156	$35,845	$98,900
37403	Chattanooga, TN	8.1 mi	6,413	$81,136	$525,200
30742	Fort Oglethorpe, GA	8.2 mi	7,745	$49,323	$194,000

Zip codes like 37421 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 37421

What city is zip code 37421?

37421 is assigned to Chattanooga, Tennessee. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 37421 in?

37421 is in Hamilton County, Tennessee.

What is the population of 37421?

About 52,985 people live in 37421, according to the Census Bureau's American Community Survey.

What time zone is 37421 in?

37421 is in Eastern Time.

What is the median household income in 37421?

The median household income in 37421 is $82,517.

What zip codes are near 37421?

The closest zip codes to 37421 are 30726, 37411, 37412, 37416, 37315.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 37421, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.