78638 ZIP Code — Kingsbury, TX

Guadalupe County, Texas

ZIP code 78638 is located in Kingsbury, Texas, within Guadalupe County. It covers approximately 118.06 square miles and serves a population of 1,982 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512/737/830.

About ZIP code 78638

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $197,200. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($60,000) and mean household income suggests income inequality — a small number of higher earners pull the average up. 46% 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. The average commute of 34 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

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

Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%; and disability rates above the national average at 23%.

Overall, ZIP code 78638 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,982

population

118.06

sq mi land

Standard

ZIP type

Central (CT)

timezone

78638 ZIP code map

Cities in ZIP code 78638

Below are the cities the US Postal Service accepts for ZIP code 78638. Using any city not on this list may result in mail delivery delays.

City	Status
Kingsbury	Preferred

Nearby ZIP codes

78155 Seguin (8.8 mi) 78655 Martindale (10.6 mi) 78648 Luling (12 mi) 78123 Mc Queeney (13.7 mi) 78130 New Braunfels (15.6 mi) 78656 Maxwell (17.1 mi) 78122 Leesville (18.1 mi) 78135 New Braunfels (18.5 mi) 78644 Lockhart (19.1 mi) 78140 Nixon (19.5 mi) 78666 San Marcos (19.8 mi)

Demographics updated 06/2026

Population
Total population	1,982
Population density	17 / sq mi
State FIPS	48
County FIPS	187

Geography
Land area	118.06 sq mi
Water area	0.37 sq mi
Latitude	29.6482
Longitude	-97.8233
Timezone	Central (CT)
Area code	512/737/830

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	29.3%	39.5%
$50k – $100k	43.4%	34.9%	30.1%
$100k – $200k	17.8%	29.5%	22.6%
Over $200k	0.0%	6.3%	7.8%

Demographics & statistics

1,982

Population

People per sq mi

40.5

Median age

$60,000

Median household income

$33,400

Per capita income

$197,200

Median home value

$1,106

Median monthly rent

85.8%

Home ownership

11.6%

Poverty rate

2.7%

Unemployment

813

Housing units

21.5%

Bachelor's or higher

Age distribution

Male Female

108

Under 5

5–9

10–14

15–19

20–24

100

25–34

170

35–44

154

116

45–54

105

55–59

60–64

148

65–74

133

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	447	22.6%
18 and over	1,535	77.4%
65 and over	438	22.1%
Median age	40.5 years

Race & ethnicity

White 66.4%

Two or more races 14.4%

Hispanic or Latino 14.1%

Black or African American 3.2%

Other race 1.9%

Group	Count	%
White	1,531	66.4%
Two or more races	333	14.4%
Hispanic or Latino	324	14.1%
Black or African American	74	3.2%
Other race	44	1.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	29.3%	39.5%
$50k – $100k	43.4%	34.9%	30.1%
$100k – $200k	17.8%	29.5%	22.6%
Over $200k	0.0%	6.3%	7.8%

Under $10k 2.3%

$10k–$15k 15.7%

$15k–$25k 8.8%

$25k–$35k 6.2%

$35k–$50k 9.6%

$50k–$75k 12.9%

$75k–$100k 8.6%

$100k–$150k 10.4%

$150k–$200k 18.7%

$200k+ 6.8%

Range	% of households
Under $10k	2.3%
$10k–$15k	15.7%
$15k–$25k	8.8%
$25k–$35k	6.2%
$35k–$50k	9.6%
$50k–$75k	12.9%
$75k–$100k	8.6%
$100k–$150k	10.4%
$150k–$200k	18.7%
$200k+	6.8%
Median income	$60,000

Housing

Home values

Under $50k 22.4%

$50k–$100k 9.8%

$100k–$150k 4.5%

$150k–$200k 14.2%

$200k–$300k 20.9%

$300k–$500k 19.2%

$500k–$1M 8.9%

Housing overview

Metric	Value
Median home value	$197,200
Median rent / month	$1,106
Owner occupied	85.8%
Renter occupied	14.2%
Vacant	16.5%
Single-family detached	67.1%
Large apartment buildings	0.0%
Mobile homes	32.1%
Median rooms	4.4
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	5.4%
2010–2019	11.9%
2000–2009	11.8%
1990–1999	25.4%
1980–1989	14.6%
1970–1979	10.5%
1960–1969	4.0%
1950–1959	3.0%
1940–1949	5.1%
1939 or earlier	8.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	15.1%
2 bedrooms	21.3%
3 bedrooms	50.8%
4 bedrooms	9.0%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	12.2%
1 vehicle	16.0%
2 vehicles	33.6%
3 or more	38.2%

Heating fuel

Fuel type	%
Electricity	81.0%
Propane / LP gas	12.2%
Wood	6.8%

Households & families

Household type	Count	%
Married-couple family	455	59.1%
Cohabiting couple	6	0.8%
Male householder, no spouse	206	26.8%
Female householder, no spouse	103	13.4%
Households with children under 18	223	29.0%
Households with seniors (65+)	303	39.4%
Average household size	2.57

Marital status

Status	Male	Female
Never married	21.9%	15.9%
Married	59.3%	64.9%
Separated	2.6%	0.5%
Widowed	0.6%	13.6%
Divorced	15.6%	5.1%

Education

Less than 9th grade 4.9%

Some HS, no diploma 2.7%

HS graduate 39.6%

Some college, no degree 21.0%

Associate's degree 10.3%

Bachelor's degree 14.9%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	21.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	3.1%
Kindergarten	1	0.3%
Elementary school	121	37.7%
High school	109	34.0%
College / grad school	80	24.9%

Employment

Industry of employment

Construction 19.1%

Education & healthcare 18.4%

Professional & management 12.7%

Transportation & utilities 9.5%

Retail trade 9.2%

Manufacturing 8.8%

Other services 7.1%

Finance & real estate 5.5%

Public administration 5.2%

Agriculture & mining 2.4%

Wholesale trade 2.1%

Occupation

Category	%
Management, business & arts	32.8%
Service	18.7%
Sales & office	18.4%
Natural resources & construction	14.4%
Production & transportation	15.7%

Employment type

Type	%
Private sector	59.7%
Government	17.6%
Self-employed	22.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.2%
Carpool	4.7%
Public transit	0.0%
Walk	0.5%
Work from home	3.7%
Other means	0.9%
Avg commute (minutes)	34.1

Poverty

All people 11.6%

Under 18 years 4.1%

18 and over 13.7%

Married-couple families 6.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	46.0%
Retirement income	17.8%
Supplemental Security	1.0%
Cash public assistance	0.1%
Food stamps / SNAP	5.5%

Health indicators

Condition	%
Obesity	39.9%
High blood pressure	37.5%
High cholesterol	37.8%
Diabetes	12.9%
Heart disease	7.8%
Stroke	3.5%
Asthma	9.4%
Arthritis	26.8%
Kidney disease	3.3%
Pulmonary disease	8.7%
Cancer	6.9%

Behavior / access	%
Smoking	20.7%
Binge drinking	17.4%
No physical activity	28.2%
Less than 7 hrs sleep	35.8%
Depression	22.8%
Fair or poor health	19.0%
Poor mental health	15.3%
Poor physical health	13.0%
No health insurance	25.3%
Visited doctor (checkup)	72.7%
Visited dentist	53.2%
Cholesterol screening	89.8%
Teeth loss	16.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	247	16.1%

Disability	%
Any disability	23.4%
Under 18	4.5%
18–64 years	25.5%
65 and over	37.2%

Health insurance coverage

Type	%
Private insurance	53.9%
Public insurance	54.5%
No insurance	10.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,777	89.7%
Spanish	88	5.0%
Other Indo-European	14	0.8%
Asian & Pacific Islander	74	4.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,959	98.8%
Born in same state	1,959	98.8%
Born in different state	1,535	77.4%
Foreign born	0	0.0%
Naturalized citizen	23	1.2%
Not a US citizen	2	8.7%

Ancestry

Ancestry	Count	%
Italian	206	10.4%
French	196	9.9%

Ancestry	Count	%
Arab	65	3.3%
English	8	0.4%

Technology access

Metric	% of households
Computer access	38.8%
Internet access	87.3%

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

Frequently asked questions about ZIP code 78638

What city is ZIP code 78638 in?

ZIP code 78638 is primarily assigned to Kingsbury, Texas.

What county is ZIP code 78638 in?

ZIP code 78638 falls within Guadalupe County, Texas.

Is ZIP code 78638 mostly owner-occupied?

86% of occupied units in ZIP code 78638 are owner-occupied, well above the national average.

Does ZIP code 78638 have a large retiree population?

46% of households in ZIP code 78638 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 78638 have a large veteran population?

16% of civilians in ZIP code 78638 are veterans, above the national average of ~7%.

What is the population of ZIP code 78638?

ZIP code 78638 has an estimated population of 1,982 residents, with a density of 17 people per square mile.

What timezone is ZIP code 78638 in?

ZIP code 78638 observes the CST timezone.