78636 ZIP Code — Johnson City, TX
Blanco County, Texas
ZIP code 78636 is located in Johnson City, Texas, within Blanco County. It covers approximately 353.29 square miles and serves a population of 3,582 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.
About ZIP code 78636
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $349,500. Owner-occupancy sits near the national average at 71%.
Median household income is $65,313. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.
3,582
population
353.29
sq mi land
Standard
ZIP type
Central (CT)
timezone
78636 ZIP code map
Cities in ZIP code 78636
Below are the cities the US Postal Service accepts for ZIP code 78636. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Johnson City | Acceptable |
| Johnson City | Preferred |
Nearby ZIP codes
78663 Round Mountain (7.9 mi)
78635 Hye (12.9 mi)
78606 Blanco (15.2 mi)
78620 Dripping Springs (15.5 mi)
78657 Horseshoe Bay (15.6 mi)
78671 Stonewall (16.9 mi)
78669 Spicewood (17 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 3,582 |
| Population density | 10 / sq mi |
| State FIPS | 48 |
| County FIPS | 031 |
| Geography | |
|---|---|
| Land area | 353.29 sq mi |
| Water area | 2.78 sq mi |
| Latitude | 30.3171 |
| Longitude | -98.3801 |
| Timezone | Central (CT) |
| Area code | 830 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.2% | 38.0% | 39.5% |
| $50k – $100k | 29.4% | 31.2% | 30.1% |
| $100k – $200k | 20.6% | 24.7% | 22.6% |
| Over $200k | 4.8% | 6.1% | 7.8% |
Demographics & statistics
3,582
Population
10
People per sq mi
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
54
Under 5
55
69
5–9
70
80
10–14
82
147
15–19
150
55
20–24
57
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
84
85+
87
← 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
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.2% | 38.0% | 39.5% |
| $50k – $100k | 29.4% | 31.2% | 30.1% |
| $100k – $200k | 20.6% | 24.7% | 22.6% |
| Over $200k | 4.8% | 6.1% | 7.8% |
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% |
| Work from home | 11.8% |
| 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 | % |
|---|---|
| Obesity | 34.3% |
| High blood pressure | 37.5% |
| High cholesterol | 40.5% |
| Diabetes | 11.8% |
| 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 | % |
|---|---|
| Smoking | 16.4% |
| Binge drinking | 17.7% |
| No physical activity | 22.8% |
| Less than 7 hrs sleep | 31.5% |
| Depression | 21.3% |
| 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% |
| No insurance | 13.5% |
| 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 about ZIP code 78636
What city is ZIP code 78636 in?
ZIP code 78636 is primarily assigned to Johnson City, Texas.
What county is ZIP code 78636 in?
ZIP code 78636 falls within Blanco County, Texas.
Does ZIP code 78636 have an older population?
29% of residents in ZIP code 78636 are 65 or older, above the national average of ~17%.
Does ZIP code 78636 have a large retiree population?
41% of households in ZIP code 78636 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 78636?
The median home value in ZIP code 78636 is $349,500.
What is the population of ZIP code 78636?
ZIP code 78636 has an estimated population of 3,582 residents, with a density of 10 people per square mile.
What timezone is ZIP code 78636 in?
ZIP code 78636 observes the CST timezone.