78933 ZIP Code — Cat Spring, TX

Austin County, Texas

ZIP code 78933 is located in Cat Spring, Texas, within Austin County. It covers approximately 131.23 square miles and serves a population of 1,120 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 979.

About ZIP code 78933

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $275,900. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($68,125) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with construction as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

40% of residents lack health insurance, above the national average.

1,120

population

131.23

sq mi land

Standard

ZIP type

Central (CT)

timezone

78933 ZIP code map

Cities in ZIP code 78933

Below are the cities the US Postal Service accepts for ZIP code 78933. Using any city not on this list may result in mail delivery delays.

City	Status
Cat Spring	Preferred

Nearby ZIP codes

78950 New Ulm (9.2 mi) 77474 Sealy (11.4 mi) 78934 Columbus (14.2 mi) 77418 Bellville (15 mi) 77434 Eagle Lake (15.9 mi) 78944 Industry (16.5 mi) 78931 Bleiblerville (16.8 mi) 78962 Weimar (18.7 mi) 78940 Fayetteville (20 mi)

Demographics updated 06/2026

Population
Total population	1,120
Population density	9 / sq mi
State FIPS	48
County FIPS	015

Geography
Land area	131.23 sq mi
Water area	1.11 sq mi
Latitude	29.7860
Longitude	-96.3758
Timezone	Central (CT)
Area code	979

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.4%	40.1%	39.5%
$50k – $100k	33.7%	31.4%	30.1%
$100k – $200k	19.8%	22.5%	22.6%
Over $200k	5.1%	6.0%	7.8%

Demographics & statistics

1,120

Population

People per sq mi

45.5

Median age

$68,125

Median household income

$40,969

Per capita income

$275,900

Median home value

Median monthly rent

85.7%

Home ownership

5.9%

Poverty rate

3.5%

Unemployment

478

Housing units

33.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	330	29.5%
18 and over	790	70.5%
65 and over	274	24.5%
Median age	45.5 years

Race & ethnicity

White 96.9%

Two or more races 3.1%

Group	Count	%
White	1,085	96.9%
Two or more races	35	3.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.4%	40.1%	39.5%
$50k – $100k	33.7%	31.4%	30.1%
$100k – $200k	19.8%	22.5%	22.6%
Over $200k	5.1%	6.0%	7.8%

Under $10k 14.1%

$10k–$15k 2.2%

$35k–$50k 23.7%

$50k–$75k 20.7%

$75k–$100k 8.9%

$100k–$150k 3.0%

$150k–$200k 6.4%

$200k+ 21.0%

Range	% of households
Under $10k	14.1%
$10k–$15k	2.2%
$35k–$50k	23.7%
$50k–$75k	20.7%
$75k–$100k	8.9%
$100k–$150k	3.0%
$150k–$200k	6.4%
$200k+	21.0%
Median income	$68,125

Housing

Home values

$50k–$100k 6.6%

$100k–$150k 23.6%

$150k–$200k 6.3%

$200k–$300k 17.3%

$300k–$500k 25.9%

$500k–$1M 14.1%

$1M+ 6.1%

Housing overview

Metric	Value
Median home value	$275,900
Median rent / month	$0
Owner occupied	85.7%
Renter occupied	14.3%
Vacant	24.4%
Single-family detached	72.8%
Large apartment buildings	0.0%
Mobile homes	27.2%
Median rooms	6.0
Avg household size (owned)	2.77

Year built

Era	%
2020 or later	0.0%
2010–2019	25.2%
2000–2009	13.6%
1990–1999	9.9%
1980–1989	7.6%
1970–1979	7.8%
1960–1969	3.0%
1950–1959	0.0%
1940–1949	10.3%
1939 or earlier	22.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.9%
2 bedrooms	17.0%
3 bedrooms	59.7%
4 bedrooms	13.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	4.9%
2 vehicles	57.8%
3 or more	37.3%

Heating fuel

Fuel type	%
Utility gas	8.6%
Electricity	72.1%
Propane / LP gas	19.3%

Households & families

Household type	Count	%
Married-couple family	252	62.2%
Cohabiting couple	35	8.6%
Male householder, no spouse	38	9.4%
Female householder, no spouse	80	19.8%
Households with children under 18	114	28.1%
Households with seniors (65+)	163	40.2%
Average household size	2.77

Marital status

Status	Male	Female
Never married	11.6%	2.5%
Married	66.3%	68.1%
Separated	0.0%	0.0%
Widowed	8.1%	17.2%
Divorced	14.0%	12.2%

Education

Less than 9th grade 8.3%

Some HS, no diploma 8.9%

HS graduate 28.2%

Some college, no degree 14.9%

Associate's degree 6.0%

Bachelor's degree 21.6%

Graduate / professional 12.0%

Metric	%
HS diploma or higher	82.8%
Bachelor's or higher	33.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	154	90.6%
High school	16	9.4%
College / grad school	0	0.0%

Employment

Industry of employment

Construction 31.6%

Education & healthcare 27.2%

Agriculture & mining 11.7%

Professional & management 10.5%

Transportation & utilities 8.5%

Manufacturing 4.3%

Public administration 3.4%

Finance & real estate 2.7%

Occupation

Category	%
Management, business & arts	42.8%
Service	6.2%
Sales & office	18.1%
Natural resources & construction	33.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	65.9%
Government	14.0%
Self-employed	20.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	97.1%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	2.9%
Other means	0.0%
Avg commute (minutes)	37.6

Poverty

All people 5.9%

Under 18 years 0.0%

18 and over 8.4%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	28.9%
Retirement income	27.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	36.7%
High blood pressure	40.8%
High cholesterol	40.3%
Diabetes	13.8%
Heart disease	8.9%
Stroke	3.9%
Asthma	9.2%
Arthritis	29.7%
Kidney disease	3.6%
Pulmonary disease	9.6%
Cancer	8.1%

Behavior / access	%
Smoking	19.6%
Binge drinking	16.5%
No physical activity	26.5%
Less than 7 hrs sleep	32.7%
Depression	22.7%
Fair or poor health	19.2%
Poor mental health	14.6%
Poor physical health	13.4%
No health insurance	22.5%
Visited doctor (checkup)	72.9%
Visited dentist	55.1%
Cholesterol screening	91.5%
Teeth loss	15.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	79	10.0%

Disability	%
Any disability	12.9%
Under 18	0.0%
18–64 years	5.2%
65 and over	42.7%

Health insurance coverage

Type	%
Private insurance	46.6%
Public insurance	34.4%
No insurance	40.3%
Uninsured under 19	76.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	972	86.8%
Spanish	66	6.8%
Other Indo-European	53	5.5%
Asian & Pacific Islander	13	1.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	889	79.4%
Born in same state	889	79.4%
Born in different state	792	70.7%
Foreign born	0	0.0%
Naturalized citizen	231	20.6%
Not a US citizen	15	6.5%

Ancestry

Ancestry	Count	%
Italian	71	6.3%

Ancestry	Count	%
French	69	6.2%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	80.2%

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

Frequently asked questions about ZIP code 78933

What city is ZIP code 78933 in?

ZIP code 78933 is primarily assigned to Cat Spring, Texas.

What county is ZIP code 78933 in?

ZIP code 78933 falls within Austin County, Texas.

Is ZIP code 78933 mostly owner-occupied?

86% of occupied units in ZIP code 78933 are owner-occupied, well above the national average.

Does ZIP code 78933 have a large veteran population?

10% of civilians in ZIP code 78933 are veterans, above the national average of ~7%.

What is the population of ZIP code 78933?

ZIP code 78933 has an estimated population of 1,120 residents, with a density of 9 people per square mile.

What is the typical home value in ZIP code 78933?

The median home value in ZIP code 78933 is $275,900.

What timezone is ZIP code 78933 in?

ZIP code 78933 observes the CST timezone.