78618 ZIP Code — Doss, TX

Gillespie County, Texas

ZIP code 78618 is located in Doss, Texas, within Gillespie County. It covers approximately 158.85 square miles and serves a population of 310 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.

About ZIP code 78618

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $335,600. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($84,688) and mean household income suggests income inequality — a small number of higher earners pull the average up. 60% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with construction as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 78618 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

310

population

158.85

sq mi land

Standard

ZIP type

Central (CT)

timezone

78618 ZIP code map

Cities in ZIP code 78618

Below are the cities the US Postal Service accepts for ZIP code 78618. Using any city not on this list may result in mail delivery delays.

City	Status
Doss	Preferred

Nearby ZIP codes

78631 Harper (9.6 mi) 76856 Mason (18.4 mi)

Demographics updated 06/2026

Population
Total population	310
Population density	2 / sq mi
State FIPS	48
County FIPS	171

Geography
Land area	158.85 sq mi
Water area	0.15 sq mi
Latitude	30.4542
Longitude	-99.1945
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	31.1%	41.7%	39.5%
$50k – $100k	28.4%	30.3%	30.1%
$100k – $200k	36.5%	21.8%	22.6%
Over $200k	4.1%	6.1%	7.8%

Demographics & statistics

310

Population

People per sq mi

65.4

Median age

$84,688

Median household income

$53,951

Per capita income

$335,600

Median home value

$863

Median monthly rent

86.3%

Home ownership

10.3%

Poverty rate

0.0%

Unemployment

332

Housing units

41.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	46	14.8%
18 and over	264	85.2%
65 and over	160	51.6%
Median age	65.4 years

Race & ethnicity

White 97.4%

Two or more races 1.9%

Hispanic or Latino 0.3%

Other race 0.3%

Group	Count	%
White	303	97.4%
Two or more races	6	1.9%
Hispanic or Latino	1	0.3%
Other race	1	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.1%	41.7%	39.5%
$50k – $100k	28.4%	30.3%	30.1%
$100k – $200k	36.5%	21.8%	22.6%
Over $200k	4.1%	6.1%	7.8%

Under $10k 2.9%

$10k–$15k 1.4%

$15k–$25k 3.6%

$25k–$35k 5.0%

$35k–$50k 12.9%

$50k–$75k 7.2%

$75k–$100k 26.6%

$100k–$150k 30.2%

$150k–$200k 2.2%

$200k+ 7.9%

Range	% of households
Under $10k	2.9%
$10k–$15k	1.4%
$15k–$25k	3.6%
$25k–$35k	5.0%
$35k–$50k	12.9%
$50k–$75k	7.2%
$75k–$100k	26.6%
$100k–$150k	30.2%
$150k–$200k	2.2%
$200k+	7.9%
Median income	$84,688

Housing

Home values

Under $50k 4.2%

$50k–$100k 1.7%

$100k–$150k 7.5%

$150k–$200k 5.0%

$200k–$300k 14.2%

$300k–$500k 55.0%

$500k–$1M 10.8%

$1M+ 1.7%

Housing overview

Metric	Value
Median home value	$335,600
Median rent / month	$863
Owner occupied	86.3%
Renter occupied	13.7%
Vacant	60.4%
Single-family detached	86.6%
Large apartment buildings	0.0%
Mobile homes	12.3%
Median rooms	5.0
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	14.5%
1990–1999	8.3%
1980–1989	1.1%
1970–1979	12.3%
1960–1969	11.7%
1950–1959	8.5%
1940–1949	8.8%
1939 or earlier	29.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	12.0%
2 bedrooms	33.9%
3 bedrooms	42.7%
4 bedrooms	10.0%
5+ bedrooms	0.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	10.8%
2 vehicles	35.3%
3 or more	53.2%

Heating fuel

Fuel type	%
Electricity	63.3%
Propane / LP gas	33.8%
Wood	2.9%

Households & families

Household type	Count	%
Married-couple family	91	65.5%
Cohabiting couple	0	0.0%
Male householder, no spouse	25	18.0%
Female householder, no spouse	23	16.5%
Households with children under 18	15	10.8%
Households with seniors (65+)	95	68.3%
Average household size	2.23

Marital status

Status	Male	Female
Never married	3.4%	14.1%
Married	83.9%	58.4%
Separated	0.0%	2.7%
Widowed	5.1%	24.8%
Divorced	7.6%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.1%

HS graduate 38.3%

Some college, no degree 18.2%

Associate's degree 1.1%

Bachelor's degree 17.0%

Graduate / professional 24.2%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	41.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	6	16.7%
Kindergarten	4	11.1%
Elementary school	18	50.0%
High school	4	11.1%
College / grad school	4	11.1%

Employment

Industry of employment

Construction 23.4%

Information 17.0%

Education & healthcare 17.0%

Agriculture & mining 10.6%

Finance & real estate 8.5%

Professional & management 8.5%

Other services 5.3%

Retail trade 4.3%

Transportation & utilities 2.1%

Public administration 2.1%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	48.9%
Service	13.8%
Sales & office	22.3%
Natural resources & construction	12.8%
Production & transportation	2.1%

Employment type

Type	%
Private sector	72.3%
Government	7.4%
Self-employed	20.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	42.7

Poverty

All people 10.3%

Under 18 years 54.3%

18 and over 2.7%

Married-couple families 2.2%

Female-led households 20.0%

Income support

Source	% of households
Social Security	60.4%
Retirement income	49.6%
Supplemental Security	0.7%
Cash public assistance	0.0%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
Obesity	33.0%
High blood pressure	43.4%
High cholesterol	45.0%
Diabetes	13.5%
Heart disease	9.9%
Stroke	3.9%
Asthma	8.3%
Arthritis	31.2%
Kidney disease	3.7%
Pulmonary disease	8.5%
Cancer	10.1%

Behavior / access	%
Smoking	14.9%
Binge drinking	15.1%
No physical activity	22.6%
Less than 7 hrs sleep	30.0%
Depression	19.9%
Fair or poor health	15.8%
Poor mental health	12.2%
Poor physical health	11.7%
No health insurance	17.6%
Visited doctor (checkup)	76.3%
Visited dentist	63.0%
Cholesterol screening	94.0%
Teeth loss	11.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	40	15.2%

Disability	%
Any disability	21.9%
Under 18	4.3%
18–64 years	2.9%
65 and over	39.4%

Health insurance coverage

Type	%
Private insurance	79.7%
Public insurance	61.3%
No insurance	4.8%
Uninsured under 19	8.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	292	94.2%
Spanish	3	1.0%
Other Indo-European	2	0.7%
Asian & Pacific Islander	1	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	310	100.0%
Born in same state	307	99.0%
Born in different state	258	83.2%
Foreign born	3	1.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	37	11.9%
Italian	4	1.3%

Ancestry	Count	%
Arab	3	1%

Technology access

Metric	% of households
Computer access	44.8%
Internet access	90.6%

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

Frequently asked questions about ZIP code 78618

What city is ZIP code 78618 in?

ZIP code 78618 is primarily assigned to Doss, Texas.

What county is ZIP code 78618 in?

ZIP code 78618 falls within Gillespie County, Texas.

Does ZIP code 78618 have an older population?

52% of residents in ZIP code 78618 are 65 or older, above the national average of ~17%.

Does ZIP code 78618 have a large retiree population?

60% of households in ZIP code 78618 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 78618 mostly owner-occupied?

86% of occupied units in ZIP code 78618 are owner-occupied, well above the national average.

Does ZIP code 78618 have a large veteran population?

15% of civilians in ZIP code 78618 are veterans, above the national average of ~7%.

What timezone is ZIP code 78618 in?

ZIP code 78618 observes the CST timezone.