78656 ZIP Code — Maxwell, TX

Caldwell County, Texas

ZIP code 78656 is located in Maxwell, Texas, within Caldwell County. It covers approximately 28.42 square miles and serves a population of 2,631 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512.

About ZIP code 78656

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Owner-occupancy sits near the national average at 61%.

Median household income is $56,923. Poverty affects 19% of residents, above the national average.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.

College attainment at 8% 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. 29% of residents lack health insurance, above the national average.

Overall, ZIP code 78656 reflects a community defined by a trades-oriented workforce and economic challenges above the national average.

2,631

population

28.42

sq mi land

Standard

ZIP type

Central (CT)

timezone

78656 ZIP code map

Cities in ZIP code 78656

Below are the cities the US Postal Service accepts for ZIP code 78656. Using any city not on this list may result in mail delivery delays.

City	Status
Maxwell	Acceptable
Maxwell	Preferred

Nearby ZIP codes

78655 Martindale (6.6 mi) 78640 Kyle (6.7 mi) 78644 Lockhart (9.2 mi) 78666 San Marcos (12.1 mi) 78610 Buda (12.2 mi) 78747 Austin (16 mi) 78616 Dale (16.1 mi) 78638 Kingsbury (17.1 mi) 78652 Manchaca (17.2 mi) 78648 Luling (17.9 mi) 78748 Austin (18.5 mi) 78719 Austin (19.4 mi)

Demographics updated 06/2026

Population
Total population	2,631
Population density	93 / sq mi
State FIPS	48
County FIPS	055

Geography
Land area	28.42 sq mi
Water area	0.05 sq mi
Latitude	29.8958
Longitude	-97.8197
Timezone	Central (CT)
Area code	512

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.0%	43.7%	39.5%
$50k – $100k	44.5%	36.0%	30.1%
$100k – $200k	14.2%	16.9%	22.6%
Over $200k	5.3%	3.4%	7.8%

Demographics & statistics

2,631

Population

People per sq mi

32.3

Median age

$56,923

Median household income

$26,711

Per capita income

Median home value

$1,108

Median monthly rent

60.7%

Home ownership

18.9%

Poverty rate

2.1%

Unemployment

550

Housing units

7.6%

Bachelor's or higher

Age distribution

Male Female

180

Under 5

197

107

5–9

118

10–14

15–19

20–24

287

25–34

314

175

35–44

191

45–54

55–59

60–64

110

65–74

121

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	718	27.3%
18 and over	1,913	72.7%
65 and over	253	9.6%
Median age	32.3 years

Race & ethnicity

White 44.2%

Hispanic or Latino 26.1%

Two or more races 23.5%

Black or African American 3.5%

Other race 2.6%

Group	Count	%
White	1,576	44.2%
Hispanic or Latino	931	26.1%
Two or more races	838	23.5%
Black or African American	124	3.5%
Other race	93	2.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.0%	43.7%	39.5%
$50k – $100k	44.5%	36.0%	30.1%
$100k – $200k	14.2%	16.9%	22.6%
Over $200k	5.3%	3.4%	7.8%

Under $10k 1.1%

$10k–$15k 0.3%

$15k–$25k 4.5%

$25k–$35k 9.0%

$35k–$50k 20.0%

$50k–$75k 18.0%

$75k–$100k 26.0%

$100k–$150k 17.2%

$150k–$200k 1.5%

$200k+ 2.4%

Range	% of households
Under $10k	1.1%
$10k–$15k	0.3%
$15k–$25k	4.5%
$25k–$35k	9.0%
$35k–$50k	20.0%
$50k–$75k	18.0%
$75k–$100k	26.0%
$100k–$150k	17.2%
$150k–$200k	1.5%
$200k+	2.4%
Median income	$56,923

Housing

Home values

Under $50k 17.2%

$50k–$100k 33.8%

$100k–$150k 2.4%

$150k–$200k 18.5%

$200k–$300k 14.8%

$300k–$500k 7.7%

$500k–$1M 3.9%

$1M+ 1.7%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$1,108
Owner occupied	60.7%
Renter occupied	39.3%
Vacant	1.7%
Single-family detached	30.2%
Large apartment buildings	0.0%
Mobile homes	57.1%
Median rooms	4.5
Avg household size (owned)	3.18

Year built

Era	%
2020 or later	0.0%
2010–2019	19.5%
2000–2009	14.2%
1990–1999	28.3%
1980–1989	28.4%
1970–1979	0.8%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	6.0%
1939 or earlier	2.8%

Bedrooms

Size	% of units
No bedroom (studio)	4.8%
1 bedroom	4.6%
2 bedrooms	38.8%
3 bedrooms	30.0%
4 bedrooms	21.9%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.7%
1 vehicle	43.1%
2 vehicles	25.7%
3 or more	25.5%

Heating fuel

Fuel type	%
Electricity	76.2%
Propane / LP gas	20.1%
Wood	3.7%

Households & families

Household type	Count	%
Married-couple family	313	35.5%
Cohabiting couple	218	24.7%
Male householder, no spouse	253	28.7%
Female householder, no spouse	98	11.1%
Households with children under 18	377	42.7%
Households with seniors (65+)	211	23.9%
Average household size	2.96

Marital status

Status	Male	Female
Never married	50.9%	29.2%
Married	34.5%	48.5%
Separated	0.0%	3.9%
Widowed	2.6%	7.7%
Divorced	12.1%	10.7%

Education

Less than 9th grade 17.7%

Some HS, no diploma 14.6%

HS graduate 23.8%

Some college, no degree 32.3%

Associate's degree 4.0%

Bachelor's degree 6.3%

Graduate / professional 1.3%

Metric	%
HS diploma or higher	67.8%
Bachelor's or higher	7.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	29	5.9%
Kindergarten	39	7.9%
Elementary school	191	38.8%
High school	133	27.0%
College / grad school	100	20.3%

Employment

Industry of employment

Education & healthcare 21.4%

Construction 20.7%

Arts, food & hospitality 15.4%

Retail trade 12.8%

Other services 10.5%

Manufacturing 5.8%

Public administration 5.5%

Professional & management 2.5%

Information 2.4%

Transportation & utilities 2.1%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	17.2%
Service	33.5%
Sales & office	10.4%
Natural resources & construction	23.9%
Production & transportation	15.0%

Employment type

Type	%
Private sector	79.7%
Government	17.7%
Self-employed	2.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	92.5%
Carpool	2.6%
Public transit	0.0%
Walk	3.3%
Work from home	1.7%
Other means	0.0%
Avg commute (minutes)	25.5

Poverty

All people 18.9%

Under 18 years 27.2%

18 and over 15.8%

Married-couple families 0.0%

Female-led households 52.5%

Income support

Source	% of households
Social Security	25.4%
Retirement income	12.0%
Supplemental Security	4.3%
Cash public assistance	0.0%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
Obesity	41.1%
High blood pressure	34.4%
High cholesterol	31.4%
Diabetes	14.2%
Heart disease	6.2%
Stroke	3.1%
Asthma	9.4%
Arthritis	21.1%
Kidney disease	3.2%
Pulmonary disease	6.8%
Cancer	4.5%

Behavior / access	%
Smoking	21.2%
Binge drinking	17.8%
No physical activity	34.4%
Less than 7 hrs sleep	33.9%
Depression	22.3%
Fair or poor health	24.0%
Poor mental health	17.0%
Poor physical health	13.8%
No health insurance	40.2%
Visited doctor (checkup)	67.8%
Visited dentist	45.0%
Cholesterol screening	85.5%
Teeth loss	18.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	92	4.8%

Disability	%
Any disability	14.6%
Under 18	0.0%
18–64 years	14.3%
65 and over	58.5%

Health insurance coverage

Type	%
Private insurance	42.8%
Public insurance	33.5%
No insurance	28.7%
Uninsured under 19	10.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,254	85.7%
Spanish	354	15.7%
Other Indo-European	354	15.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,187	83.1%
Born in same state	2,134	81.1%
Born in different state	1,832	69.6%
Foreign born	53	2.0%
Naturalized citizen	444	16.9%
Not a US citizen	115	25.9%

Ancestry

Ancestry	Count	%
French	92	3.5%
Italian	73	2.8%

Ancestry	Count	%
Arab	39	1.5%

Technology access

Metric	% of households
Computer access	33.5%
Internet access	93.9%

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

Frequently asked questions about ZIP code 78656

What city is ZIP code 78656 in?

ZIP code 78656 is primarily assigned to Maxwell, Texas.

What county is ZIP code 78656 in?

ZIP code 78656 falls within Caldwell County, Texas.

How educated is the population of ZIP code 78656?

8% 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 78656?

19% of residents in ZIP code 78656 live below the poverty line, above the national average.

What is the population of ZIP code 78656?

ZIP code 78656 has an estimated population of 2,631 residents, with a density of 93 people per square mile.

What is the median household income in ZIP code 78656?

The median household income in ZIP code 78656 is $56,923, below the national median of ~$75,000.

What timezone is ZIP code 78656 in?

ZIP code 78656 observes the CST timezone.