Johnson City ZIP Code List — Blanco County, TX

There is one unique ZIP code in Johnson City, Texas and it is 78636. Area code: 830.

ZIP codes

353.29

sq mi land

2.78

sq mi water

830

area code

Johnson City, TX ZIP code map

About Johnson City, TX

Johnson City is a charming city located in the heart of Texas. Nestled in Blanco County, this small town is known for its rich history and scenic beauty. With its picturesque landscapes, Johnson City offers a unique blend of rural charm and Texan hospitality.

Location & geography

The city of Johnson City is situated approximately 78 miles west of Austin and about 30 miles north of San Antonio. It boasts a terrain characterized by rolling hills and expansive ranch lands, with a total land area of 353.29 square miles and 2.78 square miles of water. This picturesque setting makes it an appealing destination for outdoor activities and nature enthusiasts.

Community & economy

Johnson City has a close-knit community that embodies a strong sense of Texan pride and hospitality. The local economy is primarily driven by industries such as agriculture, tourism, and small businesses, contributing to the city's quaint atmosphere. Daily life in Johnson City often revolves around community events and gatherings, showcasing the town's vibrant culture.

Transportation

Major highways such as U.S. Route 281 and Texas State Highway 290 provide convenient access to and from Johnson City. The nearest named airports include the San Antonio International Airport and the Austin-Bergstrom International Airport, both within a reasonable driving distance. Local transit options are limited, making personal vehicles the primary mode of transportation for residents and visitors.

History

Founded in the late 1800s, Johnson City began as a commercial center for the region's agricultural activities. The area prospered with the establishment of key industries like cotton and cattle ranching, which played a significant role in shaping the local economy. One notable event in the city's history is the dedication of the Lyndon Baines Johnson National Historical Park, commemorating the birthplace of President Lyndon B. Johnson.

Did you know?

One surprising fact about Johnson City is that it is the hometown of President Lyndon B. Johnson, the 36th President of the United States. Additionally, the city is known for its proximity to several Texas Hill Country wineries, making it a popular destination for wine enthusiasts.

ZIP codes for Johnson City, TX (1)

ZIP code	City	County	Map
78636	Johnson City	Blanco	View map

Demographics & statistics

3,582

Population

52.5

Median age

$65,313

Median household income

$42,486

Per capita income

$349,500

Median home value

$1,033

Median monthly rent

70.7%

Home ownership

10.7%

Poverty rate

2.3%

Unemployment

1,649

Housing units

32.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

147

15–19

150

20–24

141

25–34

145

157

35–44

162

253

45–54

260

144

55–59

147

162

60–64

166

297

65–74

304

125

75–84

129

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	579	16.2%
18 and over	3,003	83.8%
65 and over	1,026	28.6%
Median age	52.5 years

Race & ethnicity

White 73.5%

Hispanic or Latino 11.1%

Two or more races 9%

Other race 4%

Asian 1.9%

Black or African American 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	2,962	73.5%
Hispanic or Latino	446	11.1%
Two or more races	362	9%
Other race	161	4%
Asian	76	1.9%
Black or African American	17	0.4%
American Indian / Alaska Native	4	0.1%

Household income

Under $10k 4.4%

$10k–$15k 5.8%

$15k–$25k 8.4%

$25k–$35k 7.5%

$35k–$50k 18.1%

$50k–$75k 10.6%

$75k–$100k 15.9%

$100k–$150k 14.7%

$150k–$200k 4.9%

$200k+ 9.6%

Range	% of households
Under $10k	4.4%
$10k–$15k	5.8%
$15k–$25k	8.4%
$25k–$35k	7.5%
$35k–$50k	18.1%
$50k–$75k	10.6%
$75k–$100k	15.9%
$100k–$150k	14.7%
$150k–$200k	4.9%
$200k+	9.6%
Median income	$65,313

Housing

Home values

Under $50k 6.1%

$50k–$100k 11.0%

$100k–$150k 5.3%

$150k–$200k 0.6%

$200k–$300k 18.9%

$300k–$500k 26.7%

$500k–$1M 16.9%

$1M+ 14.6%

Housing overview

Metric	Value
Median home value	$349,500
Median rent / month	$1,033
Owner occupied	70.7%
Renter occupied	29.3%
Vacant	21.9%
Single-family detached	77.2%
Large apartment buildings	0.2%
Mobile homes	12.6%
Median rooms	5.3
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.0%
2010–2019	13.6%
2000–2009	25.9%
1990–1999	18.3%
1980–1989	11.5%
1970–1979	11.9%
1960–1969	1.9%
1950–1959	2.0%
1940–1949	5.5%
1939 or earlier	9.5%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	11.3%
2 bedrooms	20.7%
3 bedrooms	51.4%
4 bedrooms	12.6%
5+ bedrooms	0.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	36.8%
2 vehicles	27.8%
3 or more	31.2%

Heating fuel

Fuel type	%
Utility gas	2.2%
Electricity	81.6%
Propane / LP gas	14.6%
Wood	1.6%

Households & families

Household type	Count	%
Married-couple family	725	43.4%
Cohabiting couple	83	5.0%
Male householder, no spouse	330	19.8%
Female householder, no spouse	531	31.8%
Households with children under 18	291	17.4%
Households with seniors (65+)	715	42.8%
Average household size	2.10

Marital status

Status	Male	Female
Never married	33.5%	21.4%
Married	55.6%	46.5%
Separated	0.1%	1.7%
Widowed	4.4%	15.2%
Divorced	6.5%	15.2%

Education

Less than 9th grade 5.7%

Some HS, no diploma 3.5%

HS graduate 28.4%

Some college, no degree 19.8%

Associate's degree 10.6%

Bachelor's degree 26.4%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	32.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	3.9%
Kindergarten	18	3.6%
Elementary school	218	43.0%
High school	210	41.4%
College / grad school	41	8.1%

Employment

Industry of employment

Manufacturing 15.4%

Retail trade 14.5%

Arts, food & hospitality 12.0%

Education & healthcare 11.3%

Professional & management 10.4%

Public administration 10.2%

Construction 10.0%

Finance & real estate 4.5%

Wholesale trade 4.1%

Agriculture & mining 3.6%

Transportation & utilities 2.7%

Other services 1.3%

Occupation

Category	%
Management, business & arts	35.4%
Service	16.4%
Sales & office	28.6%
Natural resources & construction	9.1%
Production & transportation	10.5%

Employment type

Type	%
Private sector	71.7%
Government	22.2%
Self-employed	5.7%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	71.6%
Carpool	10.6%
Public transit	0.0%
Walk	1.1%
Other means	4.9%
Avg commute (minutes)	23.8

Poverty

All people 10.7%

Under 18 years 25.2%

18 and over 7.8%

Married-couple families 0.0%

Female-led households 27.5%

Income support

Source	% of households
Social Security	40.7%
Retirement income	30.7%
Supplemental Security	2.3%
Cash public assistance	0.0%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
High blood pressure	37.5%
High cholesterol	40.5%
Heart disease	7.5%
Stroke	3.2%
Asthma	8.7%
Arthritis	26.9%
Kidney disease	3.1%
Pulmonary disease	7.5%
Cancer	7.9%

Behavior / access	%
Binge drinking	17.7%
No physical activity	22.8%
Less than 7 hrs sleep	31.5%
Fair or poor health	15.4%
Poor mental health	13.7%
Poor physical health	11.2%
No health insurance	20.6%
Visited doctor (checkup)	72.9%
Visited dentist	61.6%
Cholesterol screening	91.9%
Teeth loss	11.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	181	6.0%

Disability	%
Any disability	15.2%
Under 18	9.5%
18–64 years	7.6%
65 and over	33.3%

Health insurance coverage

Type	%
Private insurance	73.4%
Public insurance	35.2%
Uninsured under 19	4.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,473	97.0%
Spanish	143	4.1%
Other Indo-European	122	3.5%
Asian & Pacific Islander	0	0.0%
Other languages	21	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,348	93.5%
Born in same state	3,294	92.0%
Born in different state	2,324	64.9%
Foreign born	54	1.5%
Naturalized citizen	234	6.5%
Not a US citizen	149	63.7%

Ancestry

Ancestry	Count	%
French	645	18%
Italian	270	7.5%
Arab	196	5.5%
Polish	39	1.1%

Ancestry	Count	%
Dutch	14	0.4%
Irish	8	0.2%
English	8	0.2%
German	6	0.2%

Technology access

Metric	% of households
Computer access	46.6%
Internet access	95.3%

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

Frequently asked questions

What is the ZIP code for Johnson City, TX?

Johnson City, TX has one ZIP code: 78636.

What is the main ZIP code for Johnson City, TX?

The primary ZIP code for Johnson City, TX is 78636. The city uses area code 830 for phone service.

What county is Johnson City, TX in?

Johnson City is located in Blanco County, Texas.

How many ZIP codes are in Johnson City, TX?

Johnson City, TX has 1 ZIP code.

What is the ZIP code for downtown Johnson City and the historic town square area?

Downtown Johnson City, including the historic town square and surrounding district, is located in ZIP code 78636.

What ZIP code should I use for mailing to businesses near Pedernales River in Johnson City?

Businesses and residences near the Pedernales River in Johnson City use ZIP code 78636.