76664 ZIP Code — Mart, TX

Mclennan County, Texas

ZIP code 76664 is located in Mart, Texas, within Mclennan County. It covers approximately 132.56 square miles and serves a population of 3,698 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 254.

About ZIP code 76664

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $120,100. Owner-occupancy sits near the national average at 75%.

Median household income is $63,621. Poverty affects 18% of residents, above the national average. 39% 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 31 minutes is near the national average.

College attainment at 13% 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. 16% of residents lack health insurance, above the national average.

Overall, ZIP code 76664 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and a significant Social Security-dependent population.

3,698

population

132.56

sq mi land

Standard

ZIP type

Central (CT)

timezone

76664 ZIP code map

Cities in ZIP code 76664

Below are the cities the US Postal Service accepts for ZIP code 76664. Using any city not on this list may result in mail delivery delays.

City	Status
Mart	Acceptable
Mart	Preferred

Nearby ZIP codes

76678 Prairie Hill (7.5 mi) 76682 Riesel (8.7 mi) 76624 Axtell (9.4 mi) 76673 Mount Calm (13.2 mi) 76635 Coolidge (13.6 mi) 76640 Elm Mott (15 mi) 76705 Waco (16 mi) 76706 Waco (16.1 mi) 76798 Waco (16.3 mi) 76704 Waco (16.7 mi) 76642 Groesbeck (16.8 mi) 76701 Waco (17.3 mi)

Demographics updated 06/2026

Population
Total population	3,698
Population density	28 / sq mi
State FIPS	48
County FIPS	309

Geography
Land area	132.56 sq mi
Water area	0.90 sq mi
Latitude	31.5780
Longitude	-96.8454
Timezone	Central (CT)
Area code	254

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.5%	49.7%	39.5%
$50k – $100k	32.8%	26.8%	30.1%
$100k – $200k	15.2%	18.6%	22.6%
Over $200k	2.5%	4.8%	7.8%

Demographics & statistics

3,698

Population

People per sq mi

37.2

Median age

$63,621

Median household income

$26,643

Per capita income

$120,100

Median home value

$958

Median monthly rent

75.0%

Home ownership

17.9%

Poverty rate

6.3%

Unemployment

1,062

Housing units

12.6%

Bachelor's or higher

Age distribution

Male Female

102

Under 5

101

142

5–9

141

171

10–14

168

157

15–19

154

131

20–24

130

192

25–34

190

185

35–44

182

175

45–54

173

143

55–59

141

144

60–64

142

187

65–74

185

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,076	29.1%
18 and over	2,622	70.9%
65 and over	634	17.1%
Median age	37.2 years

Race & ethnicity

White 69.3%

Black or African American 22.1%

Two or more races 4.5%

Hispanic or Latino 3%

Other race 0.9%

Asian 0.2%

Group	Count	%
White	2,642	69.3%
Black or African American	842	22.1%
Two or more races	171	4.5%
Hispanic or Latino	115	3%
Other race	35	0.9%
Asian	8	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.5%	49.7%	39.5%
$50k – $100k	32.8%	26.8%	30.1%
$100k – $200k	15.2%	18.6%	22.6%
Over $200k	2.5%	4.8%	7.8%

Under $10k 1.9%

$10k–$15k 4.7%

$15k–$25k 9.8%

$25k–$35k 9.0%

$35k–$50k 14.2%

$50k–$75k 17.6%

$75k–$100k 13.9%

$100k–$150k 22.5%

$150k–$200k 2.7%

$200k+ 3.6%

Range	% of households
Under $10k	1.9%
$10k–$15k	4.7%
$15k–$25k	9.8%
$25k–$35k	9.0%
$35k–$50k	14.2%
$50k–$75k	17.6%
$75k–$100k	13.9%
$100k–$150k	22.5%
$150k–$200k	2.7%
$200k+	3.6%
Median income	$63,621

Housing

Home values

Under $50k 13.4%

$50k–$100k 28.2%

$100k–$150k 18.5%

$150k–$200k 12.4%

$200k–$300k 17.3%

$300k–$500k 4.5%

$500k–$1M 5.5%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$120,100
Median rent / month	$958
Owner occupied	75.0%
Renter occupied	25.0%
Vacant	11.0%
Single-family detached	79.9%
Large apartment buildings	0.0%
Mobile homes	15.5%
Median rooms	5.8
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.0%
2010–2019	4.9%
2000–2009	16.3%
1990–1999	12.3%
1980–1989	9.7%
1970–1979	11.4%
1960–1969	9.7%
1950–1959	14.8%
1940–1949	9.0%
1939 or earlier	11.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	3.1%
2 bedrooms	28.6%
3 bedrooms	47.7%
4 bedrooms	17.9%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.3%
1 vehicle	28.5%
2 vehicles	29.4%
3 or more	35.9%

Heating fuel

Fuel type	%
Utility gas	28.4%
Electricity	64.4%
Propane / LP gas	5.8%
No fuel used	1.2%

Households & families

Household type	Count	%
Married-couple family	627	51.6%
Cohabiting couple	86	7.1%
Male householder, no spouse	152	12.5%
Female householder, no spouse	351	28.9%
Households with children under 18	400	32.9%
Households with seniors (65+)	421	34.6%
Average household size	2.81

Marital status

Status	Male	Female
Never married	37.9%	22.0%
Married	49.4%	47.8%
Separated	1.5%	3.9%
Widowed	2.5%	12.6%
Divorced	8.8%	13.7%

Education

Less than 9th grade 3.4%

Some HS, no diploma 9.0%

HS graduate 37.2%

Some college, no degree 26.9%

Associate's degree 10.8%

Bachelor's degree 11.0%

Graduate / professional 1.7%

Metric	%
HS diploma or higher	87.5%
Bachelor's or higher	12.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	38	3.6%
Kindergarten	58	5.5%
Elementary school	458	43.7%
High school	307	29.3%
College / grad school	186	17.8%

Employment

Industry of employment

Education & healthcare 23.6%

Public administration 13.2%

Retail trade 11.9%

Manufacturing 9.3%

Professional & management 8.8%

Construction 8.3%

Transportation & utilities 8.3%

Arts, food & hospitality 4.7%

Finance & real estate 4.3%

Other services 3.3%

Information 1.8%

Agriculture & mining 1.4%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	29.8%
Service	22.7%
Sales & office	16.7%
Natural resources & construction	15.3%
Production & transportation	15.6%

Employment type

Type	%
Private sector	66.7%
Government	21.9%
Self-employed	11.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.3%
Carpool	10.3%
Public transit	0.0%
Walk	0.4%
Work from home	7.5%
Other means	0.5%
Avg commute (minutes)	30.7

Poverty

All people 17.9%

Under 18 years 39.4%

18 and over 10.6%

Married-couple families 5.3%

Female-led households 24.7%

Income support

Source	% of households
Social Security	39.3%
Retirement income	21.7%
Supplemental Security	8.6%
Cash public assistance	4.9%
Food stamps / SNAP	15.0%

Health indicators

Condition	%
Obesity	35.4%
High blood pressure	39.9%
High cholesterol	38.3%
Diabetes	13.7%
Heart disease	8.1%
Stroke	4.0%
Asthma	10.2%
Arthritis	27.5%
Kidney disease	3.6%
Pulmonary disease	9.1%
Cancer	6.9%

Behavior / access	%
Smoking	21.4%
Binge drinking	17.3%
No physical activity	27.9%
Less than 7 hrs sleep	37.0%
Depression	23.3%
Fair or poor health	20.3%
Poor mental health	16.2%
Poor physical health	13.5%
No health insurance	24.9%
Visited doctor (checkup)	73.3%
Visited dentist	50.6%
Cholesterol screening	88.7%
Teeth loss	18.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	238	9.1%

Disability	%
Any disability	17.6%
Under 18	5.9%
18–64 years	14.1%
65 and over	44.6%

Health insurance coverage

Type	%
Private insurance	54.4%
Public insurance	43.3%
No insurance	16.2%
Uninsured under 19	10.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,495	94.5%
Spanish	55	1.6%
Other Indo-European	52	1.5%
Asian & Pacific Islander	0	0.0%
Other languages	3	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,618	97.8%
Born in same state	3,607	97.5%
Born in different state	2,968	80.3%
Foreign born	11	0.3%
Naturalized citizen	80	2.2%
Not a US citizen	28	35.0%

Ancestry

Ancestry	Count	%
Italian	360	9.7%
French	229	6.2%
Arab	137	3.7%

Ancestry	Count	%
English	21	0.6%
Polish	4	0.1%
Irish	3	0.1%

Technology access

Metric	% of households
Computer access	32.9%
Internet access	87.4%

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

Frequently asked questions about ZIP code 76664

What city is ZIP code 76664 in?

ZIP code 76664 is primarily assigned to Mart, Texas.

What county is ZIP code 76664 in?

ZIP code 76664 falls within Mclennan County, Texas.

How educated is the population of ZIP code 76664?

13% 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 76664?

18% of residents in ZIP code 76664 live below the poverty line, above the national average.

Does ZIP code 76664 have a large retiree population?

39% of households in ZIP code 76664 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 76664?

The median home value in ZIP code 76664 is $120,100.

What timezone is ZIP code 76664 in?

ZIP code 76664 observes the CST timezone.