78629 ZIP Code — Gonzales, TX

Gonzales County, Texas

ZIP code 78629 is located in Gonzales, Texas, within Gonzales County. It covers approximately 421.55 square miles and serves a population of 12,054 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.

About ZIP code 78629

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $185,700. Owner-occupancy sits near the national average at 62%.

The gap between median ($64,807) and mean household income suggests income inequality — a small number of higher earners pull the average up. 32% 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 27 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 18% of residents lack health insurance, above the national average.

Overall, ZIP code 78629 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

12,054

population

421.55

sq mi land

Standard

ZIP type

Central (CT)

timezone

78629 ZIP code map

Cities in ZIP code 78629

Below are the cities the US Postal Service accepts for ZIP code 78629. Using any city not on this list may result in mail delivery delays.

City	Status
Gonzales	Acceptable
Gonzales	Preferred

Nearby ZIP codes

78614 Cost (7.1 mi) 78632 Harwood (15.4 mi) 78159 Smiley (17.1 mi) 78140 Nixon (17.3 mi) 78959 Waelder (18.9 mi) 77984 Shiner (19.1 mi) 78122 Leesville (19.3 mi) 78648 Luling (19.3 mi)

Demographics updated 06/2026

Population
Total population	12,054
Population density	29 / sq mi
State FIPS	48
County FIPS	177

Geography
Land area	421.55 sq mi
Water area	2.29 sq mi
Latitude	29.4560
Longitude	-97.4628
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	43.1%	43.0%	39.5%
$50k – $100k	34.3%	33.7%	30.1%
$100k – $200k	16.3%	18.6%	22.6%
Over $200k	6.2%	4.7%	7.8%

Demographics & statistics

12,054

Population

People per sq mi

35.5

Median age

$64,807

Median household income

$34,082

Per capita income

$185,700

Median home value

$922

Median monthly rent

61.6%

Home ownership

15.3%

Poverty rate

0.1%

Unemployment

3,519

Housing units

14.0%

Bachelor's or higher

Age distribution

Male Female

403

Under 5

381

481

5–9

454

565

10–14

534

423

15–19

400

390

20–24

368

770

25–34

728

651

35–44

615

733

45–54

692

364

55–59

343

406

60–64

383

593

65–74

560

299

75–84

283

121

85+

114

← Male

Female →

Age summary

Group	Count	%
Under 18	3,385	28.1%
18 and over	8,669	71.9%
65 and over	1,970	16.3%
Median age	35.5 years

Race & ethnicity

White 56.2%

Hispanic or Latino 17.6%

Two or more races 10.2%

Other race 7.6%

Black or African American 7.2%

Asian 0.7%

Native Hawaiian / Pacific Islander 0.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	8,223	56.2%
Hispanic or Latino	2,581	17.6%
Two or more races	1,487	10.2%
Other race	1,111	7.6%
Black or African American	1,052	7.2%
Asian	101	0.7%
Native Hawaiian / Pacific Islander	49	0.3%
American Indian / Alaska Native	31	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.1%	43.0%	39.5%
$50k – $100k	34.3%	33.7%	30.1%
$100k – $200k	16.3%	18.6%	22.6%
Over $200k	6.2%	4.7%	7.8%

Under $10k 3.6%

$10k–$15k 5.3%

$15k–$25k 11.2%

$25k–$35k 11.3%

$35k–$50k 10.0%

$50k–$75k 17.7%

$75k–$100k 12.1%

$100k–$150k 15.3%

$150k–$200k 6.1%

$200k+ 7.4%

Range	% of households
Under $10k	3.6%
$10k–$15k	5.3%
$15k–$25k	11.2%
$25k–$35k	11.3%
$35k–$50k	10.0%
$50k–$75k	17.7%
$75k–$100k	12.1%
$100k–$150k	15.3%
$150k–$200k	6.1%
$200k+	7.4%
Median income	$64,807

Housing

Home values

Under $50k 12.0%

$50k–$100k 18.6%

$100k–$150k 11.4%

$150k–$200k 12.4%

$200k–$300k 29.5%

$300k–$500k 12.0%

$500k–$1M 3.1%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$185,700
Median rent / month	$922
Owner occupied	61.6%
Renter occupied	38.4%
Vacant	15.3%
Single-family detached	68.5%
Large apartment buildings	2.0%
Mobile homes	15.2%
Median rooms	5.0
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.1%
2010–2019	8.0%
2000–2009	11.8%
1990–1999	12.3%
1980–1989	12.9%
1970–1979	14.9%
1960–1969	10.0%
1950–1959	8.8%
1940–1949	12.8%
1939 or earlier	8.4%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	8.0%
2 bedrooms	28.5%
3 bedrooms	50.3%
4 bedrooms	9.6%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	8.9%
1 vehicle	32.0%
2 vehicles	38.7%
3 or more	20.4%

Heating fuel

Fuel type	%
Utility gas	15.9%
Electricity	80.3%
Propane / LP gas	2.5%
Wood	0.9%

Households & families

Household type	Count	%
Married-couple family	1,938	43.9%
Cohabiting couple	204	4.6%
Male householder, no spouse	1,119	25.3%
Female householder, no spouse	1,158	26.2%
Households with children under 18	1,547	35.0%
Households with seniors (65+)	1,389	31.4%
Average household size	2.66

Marital status

Status	Male	Female
Never married	37.4%	24.9%
Married	45.1%	46.2%
Separated	1.1%	3.9%
Widowed	2.1%	10.4%
Divorced	14.3%	14.6%

Education

Less than 9th grade 7.4%

Some HS, no diploma 14.2%

HS graduate 44.5%

Some college, no degree 13.6%

Associate's degree 6.3%

Bachelor's degree 10.0%

Graduate / professional 4.0%

Metric	%
HS diploma or higher	78.4%
Bachelor's or higher	14.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	61	2.0%
Kindergarten	218	7.3%
Elementary school	1,771	59.3%
High school	704	23.6%
College / grad school	230	7.7%

Employment

Industry of employment

Education & healthcare 20.7%

Agriculture & mining 10.5%

Retail trade 10.0%

Arts, food & hospitality 9.7%

Manufacturing 9.6%

Construction 9.5%

Transportation & utilities 8.7%

Professional & management 6.7%

Finance & real estate 3.7%

Other services 3.7%

Wholesale trade 3.5%

Public administration 3.2%

Information 0.7%

Occupation

Category	%
Management, business & arts	27.5%
Service	18.9%
Sales & office	22.3%
Natural resources & construction	12.8%
Production & transportation	18.6%

Employment type

Type	%
Private sector	79.2%
Government	13.3%
Self-employed	7.1%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	77.0%
Carpool	10.5%
Public transit	0.0%
Walk	7.4%
Work from home	1.9%
Other means	3.1%
Avg commute (minutes)	26.7

Poverty

All people 15.3%

Under 18 years 19.1%

18 and over 13.8%

Married-couple families 9.5%

Female-led households 19.0%

Income support

Source	% of households
Social Security	31.6%
Retirement income	21.3%
Supplemental Security	6.7%
Cash public assistance	3.1%
Food stamps / SNAP	14.8%

Health indicators

Condition	%
Obesity	40.6%
High blood pressure	38.4%
High cholesterol	37.6%
Diabetes	14.7%
Heart disease	8.0%
Stroke	3.9%
Asthma	9.3%
Arthritis	25.3%
Kidney disease	3.6%
Pulmonary disease	8.3%
Cancer	6.3%

Behavior / access	%
Smoking	20.5%
Binge drinking	16.6%
No physical activity	32.2%
Less than 7 hrs sleep	34.8%
Depression	21.5%
Fair or poor health	22.8%
Poor mental health	15.8%
Poor physical health	13.7%
No health insurance	34.8%
Visited doctor (checkup)	71.7%
Visited dentist	46.7%
Cholesterol screening	87.8%
Teeth loss	19.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	565	6.5%

Disability	%
Any disability	15.4%
Under 18	3.2%
18–64 years	15.3%
65 and over	38.8%

Health insurance coverage

Type	%
Private insurance	58.2%
Public insurance	33.3%
No insurance	18.0%
Uninsured under 19	9.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,270	93.5%
Spanish	1,032	9.2%
Other Indo-European	992	8.8%
Asian & Pacific Islander	0	0.0%
Other languages	40	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,011	91.3%
Born in same state	10,942	90.8%
Born in different state	9,538	79.1%
Foreign born	69	0.6%
Naturalized citizen	1,043	8.7%
Not a US citizen	423	40.6%

Ancestry

Ancestry	Count	%
French	699	5.8%
Italian	581	4.8%
Arab	353	2.9%
Norwegian	31	0.3%

Ancestry	Count	%
Polish	21	0.2%
English	20	0.2%
German	14	0.1%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	90.1%

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

Frequently asked questions about ZIP code 78629

What city is ZIP code 78629 in?

ZIP code 78629 is primarily assigned to Gonzales, Texas.

What county is ZIP code 78629 in?

ZIP code 78629 falls within Gonzales County, Texas.

How educated is the population of ZIP code 78629?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What is the poverty rate in ZIP code 78629?

15% of residents in ZIP code 78629 live below the poverty line, above the national average.

What is the typical home value in ZIP code 78629?

The median home value in ZIP code 78629 is $185,700.

What is the population of ZIP code 78629?

ZIP code 78629 has an estimated population of 12,054 residents, with a density of 29 people per square mile.

What timezone is ZIP code 78629 in?

ZIP code 78629 observes the CST timezone.