37604 ZIP Code — Johnson City, TN

Washington County, Tennessee

ZIP code 37604 is located in Johnson City, Tennessee, within Washington County. It covers approximately 33.02 square miles and serves a population of 37,090 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37604

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $209,300. Owner-occupancy sits near the national average at 49%.

The gap between median ($47,171) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 23% of residents, above the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 37604 reflects a community defined by economic challenges above the national average and a significant Social Security-dependent population.

37,090

population

33.02

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37604 ZIP code map

Cities in ZIP code 37604

Below are the cities the US Postal Service accepts for ZIP code 37604. Using any city not on this list may result in mail delivery delays.

City	Status
Johnson City	Acceptable
Johnson City	Preferred

Nearby ZIP codes

37601 Johnson City (2.8 mi) 37659 Jonesborough (5.5 mi) 37615 Johnson City (6.6 mi) 37694 Watauga (7.6 mi) 37699 Piney Flats (8.5 mi) 37686 Piney Flats (9.1 mi) 37692 Unicoi (9.7 mi) 37690 Telford (11.2 mi) 37663 Kingsport (11.7 mi) 37658 Hampton (12.5 mi) 37681 Limestone (14.3 mi) 37618 Bluff City (14.5 mi)

Demographics updated 06/2026

Population
Total population	37,090
Population density	1,123 / sq mi
State FIPS	47
County FIPS	179

Geography
Land area	33.02 sq mi
Water area	0.00 sq mi
Latitude	36.3141
Longitude	-82.3815
Timezone	Eastern (ET)
Area code	423

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.4%	51.8%	45.7%
$50k – $100k	23.9%	28.6%	30.9%
$100k – $200k	11.4%	15.8%	18.3%
Over $200k	5.4%	3.9%	5.1%

Demographics & statistics

37,090

Population

1,123

People per sq mi

35.5

Median age

$47,171

Median household income

$35,502

Per capita income

$209,300

Median home value

$870

Median monthly rent

48.5%

Home ownership

22.7%

Poverty rate

5.2%

Unemployment

10,028

Housing units

39.4%

Bachelor's or higher

Age distribution

Male Female

794

Under 5

860

938

5–9

1,016

831

10–14

899

892

15–19

966

2,131

20–24

2,306

3,136

25–34

3,394

1,833

35–44

1,983

2,071

45–54

2,241

1,056

55–59

1,143

1,101

60–64

1,191

1,766

65–74

1,912

915

75–84

990

348

85+

377

← Male

Female →

Age summary

Group	Count	%
Under 18	6,110	16.5%
18 and over	30,980	83.5%
65 and over	6,308	17.0%
Median age	35.5 years

Race & ethnicity

White 82.9%

Black or African American 5.4%

Two or more races 4.9%

Hispanic or Latino 2.8%

Other race 2.1%

Asian 1.8%

American Indian / Alaska Native 0.1%

Group	Count	%
White	31,641	82.9%
Black or African American	2,050	5.4%
Two or more races	1,884	4.9%
Hispanic or Latino	1,061	2.8%
Other race	814	2.1%
Asian	674	1.8%
American Indian / Alaska Native	27	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.4%	51.8%	45.7%
$50k – $100k	23.9%	28.6%	30.9%
$100k – $200k	11.4%	15.8%	18.3%
Over $200k	5.4%	3.9%	5.1%

Under $10k 8.9%

$10k–$15k 7.3%

$15k–$25k 13.4%

$25k–$35k 10.6%

$35k–$50k 10.8%

$50k–$75k 15.5%

$75k–$100k 10.7%

$100k–$150k 10.7%

$150k–$200k 5.0%

$200k+ 7.1%

Range	% of households
Under $10k	8.9%
$10k–$15k	7.3%
$15k–$25k	13.4%
$25k–$35k	10.6%
$35k–$50k	10.8%
$50k–$75k	15.5%
$75k–$100k	10.7%
$100k–$150k	10.7%
$150k–$200k	5.0%
$200k+	7.1%
Median income	$47,171

Housing

Home values

Under $50k 5.9%

$50k–$100k 9.3%

$100k–$150k 16.1%

$150k–$200k 16.5%

$200k–$300k 21.7%

$300k–$500k 20.7%

$500k–$1M 9.0%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$209,300
Median rent / month	$870
Owner occupied	48.5%
Renter occupied	51.5%
Vacant	9.6%
Single-family detached	52.7%
Large apartment buildings	8.8%
Mobile homes	5.6%
Median rooms	5.0
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.6%
2010–2019	9.1%
2000–2009	11.5%
1990–1999	14.6%
1980–1989	12.2%
1970–1979	18.6%
1960–1969	10.1%
1950–1959	9.4%
1940–1949	4.9%
1939 or earlier	8.9%

Bedrooms

Size	% of units
No bedroom (studio)	4.3%
1 bedroom	14.3%
2 bedrooms	31.7%
3 bedrooms	32.6%
4 bedrooms	13.6%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	7.5%
1 vehicle	38.3%
2 vehicles	34.5%
3 or more	19.6%

Heating fuel

Fuel type	%
Utility gas	24.8%
Electricity	72.9%
Propane / LP gas	1.0%
Fuel oil	0.1%
Wood	0.6%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	6,276	37.0%
Cohabiting couple	1,357	8.0%
Male householder, no spouse	3,676	21.7%
Female householder, no spouse	5,651	33.3%
Households with children under 18	3,190	18.8%
Households with seniors (65+)	4,559	26.9%
Average household size	2.14

Marital status

Status	Male	Female
Never married	38.6%	36.9%
Married	45.4%	36.3%
Separated	1.2%	2.4%
Widowed	3.7%	11.3%
Divorced	11.1%	13.1%

Education

Less than 9th grade 3.2%

Some HS, no diploma 6.1%

HS graduate 24.6%

Some college, no degree 20.7%

Associate's degree 6.0%

Bachelor's degree 21.4%

Graduate / professional 18.1%

Metric	%
HS diploma or higher	90.7%
Bachelor's or higher	39.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	210	2.3%
Kindergarten	352	3.8%
Elementary school	2,985	32.2%
High school	1,030	11.1%
College / grad school	4,702	50.7%

Employment

Industry of employment

Education & healthcare 31.9%

Retail trade 14.9%

Arts, food & hospitality 11.8%

Manufacturing 11.5%

Professional & management 6.3%

Finance & real estate 5.4%

Construction 5.0%

Other services 3.8%

Transportation & utilities 3.5%

Public administration 2.9%

Wholesale trade 1.2%

Information 1.0%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	43.5%
Service	16.7%
Sales & office	24.1%
Natural resources & construction	5.5%
Production & transportation	10.1%

Employment type

Type	%
Private sector	77.8%
Government	15.8%
Self-employed	6.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	81.8%
Carpool	6.9%
Public transit	0.2%
Walk	1.3%
Work from home	8.8%
Other means	1.0%
Avg commute (minutes)	18.2

Poverty

All people 22.7%

Under 18 years 26.6%

18 and over 22.0%

Married-couple families 9.6%

Female-led households 25.7%

Income support

Source	% of households
Social Security	30.6%
Retirement income	21.2%
Supplemental Security	6.0%
Cash public assistance	1.2%
Food stamps / SNAP	11.3%

Health indicators

Condition	%
Obesity	33.9%
High blood pressure	36.6%
High cholesterol	35.1%
Diabetes	11.9%
Heart disease	7.1%
Stroke	3.3%
Asthma	11.0%
Arthritis	29.2%
Kidney disease	3.1%
Pulmonary disease	8.4%
Cancer	6.7%

Behavior / access	%
Smoking	20.7%
Binge drinking	14.0%
No physical activity	23.7%
Less than 7 hrs sleep	34.3%
Depression	26.5%
Fair or poor health	16.3%
Poor mental health	17.1%
Poor physical health	11.3%
No health insurance	15.8%
Visited doctor (checkup)	75.2%
Visited dentist	58.9%
Cholesterol screening	88.8%
Teeth loss	17.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,714	8.8%

Disability	%
Any disability	17.4%
Under 18	7.0%
18–64 years	14.5%
65 and over	39.8%

Health insurance coverage

Type	%
Private insurance	65.2%
Public insurance	35.4%
No insurance	11.7%
Uninsured under 19	7.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,436	95.5%
Spanish	964	2.7%
Other Indo-European	759	2.1%
Asian & Pacific Islander	85	0.2%
Other languages	74	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	35,070	94.6%
Born in same state	34,846	93.9%
Born in different state	20,343	54.8%
Foreign born	224	0.6%
Naturalized citizen	2,020	5.4%
Not a US citizen	789	39.1%

Ancestry

Ancestry	Count	%
French	6,498	17.5%
Arab	5,281	14.2%
Italian	4,590	12.4%
English	313	0.8%
Polish	114	0.3%

Ancestry	Count	%
German	95	0.3%
Norwegian	65	0.2%
Dutch	53	0.1%
Irish	34	0.1%

Technology access

Metric	% of households
Computer access	45.7%
Internet access	93.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 37604

What city is ZIP code 37604 in?

ZIP code 37604 is primarily assigned to Johnson City, Tennessee.

What county is ZIP code 37604 in?

ZIP code 37604 falls within Washington County, Tennessee.

What is the poverty rate in ZIP code 37604?

23% of residents in ZIP code 37604 live below the poverty line, above the national average.

What is the median household income in ZIP code 37604?

The median household income in ZIP code 37604 is $47,171, below the national median of ~$75,000.

What is the population of ZIP code 37604?

ZIP code 37604 has an estimated population of 37,090 residents, with a density of 1,123 people per square mile.

What is the typical home value in ZIP code 37604?

The median home value in ZIP code 37604 is $209,300.

What timezone is ZIP code 37604 in?

ZIP code 37604 observes the EST timezone.