76687 ZIP Code — Thornton, TX

Limestone County, Texas

ZIP code 76687 is located in Thornton, Texas, within Limestone County. It covers approximately 131.58 square miles and serves a population of 1,741 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 254.

About ZIP code 76687

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 $249,300. Owner-occupancy is high at 88%, well above the national average.

Median household income is $67,720. 71% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with agriculture and mining as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is near the national average, with 21% 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 disability rates above the national average at 32%.

Overall, ZIP code 76687 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,741

population

131.58

sq mi land

Standard

ZIP type

Central (CT)

timezone

76687 ZIP code map

Cities in ZIP code 76687

Below are the cities the US Postal Service accepts for ZIP code 76687. Using any city not on this list may result in mail delivery delays.

City	Status
Thornton	Acceptable
Thornton	Preferred

Nearby ZIP codes

76653 Kosse (6.3 mi) 76642 Groesbeck (10.5 mi) 75838 Donie (16.6 mi) 75846 Jewett (18.5 mi) 76667 Mexia (18.7 mi) 76680 Reagan (19.3 mi) 77865 Marquez (19.3 mi)

Demographics updated 06/2026

Population
Total population	1,741
Population density	13 / sq mi
State FIPS	48
County FIPS	293

Geography
Land area	131.58 sq mi
Water area	6.03 sq mi
Latitude	31.4045
Longitude	-96.4955
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	43.3%	54.0%	39.5%
$50k – $100k	35.3%	29.2%	30.1%
$100k – $200k	19.5%	15.2%	22.6%
Over $200k	1.9%	1.6%	7.8%

Demographics & statistics

1,741

Population

People per sq mi

61.7

Median age

$67,720

Median household income

$34,142

Per capita income

$249,300

Median home value

$889

Median monthly rent

87.8%

Home ownership

8.6%

Poverty rate

4.9%

Unemployment

1,150

Housing units

21.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

155

45–54

144

55–59

127

60–64

118

232

65–74

215

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	186	10.7%
18 and over	1,555	89.3%
65 and over	651	37.4%
Median age	61.7 years

Race & ethnicity

White 90%

Two or more races 4.6%

Hispanic or Latino 3.2%

Black or African American 2.2%

Group	Count	%
White	1,618	90%
Two or more races	83	4.6%
Hispanic or Latino	57	3.2%
Black or African American	40	2.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	43.3%	54.0%	39.5%
$50k – $100k	35.3%	29.2%	30.1%
$100k – $200k	19.5%	15.2%	22.6%
Over $200k	1.9%	1.6%	7.8%

Under $10k 3.3%

$10k–$15k 8.4%

$15k–$25k 6.0%

$25k–$35k 10.6%

$35k–$50k 9.1%

$50k–$75k 25.3%

$75k–$100k 10.1%

$100k–$150k 15.3%

$150k–$200k 6.7%

$200k+ 5.3%

Range	% of households
Under $10k	3.3%
$10k–$15k	8.4%
$15k–$25k	6.0%
$25k–$35k	10.6%
$35k–$50k	9.1%
$50k–$75k	25.3%
$75k–$100k	10.1%
$100k–$150k	15.3%
$150k–$200k	6.7%
$200k+	5.3%
Median income	$67,720

Housing

Home values

Under $50k 8.9%

$50k–$100k 18.9%

$100k–$150k 10.7%

$150k–$200k 2.0%

$200k–$300k 26.9%

$300k–$500k 27.2%

$500k–$1M 5.3%

Housing overview

Metric	Value
Median home value	$249,300
Median rent / month	$889
Owner occupied	87.8%
Renter occupied	12.2%
Vacant	36.2%
Single-family detached	78.4%
Large apartment buildings	0.0%
Mobile homes	21.6%
Median rooms	5.6
Avg household size (owned)	2.09

Year built

Era	%
2020 or later	0.0%
2010–2019	13.1%
2000–2009	21.6%
1990–1999	13.8%
1980–1989	20.4%
1970–1979	7.5%
1960–1969	6.5%
1950–1959	3.6%
1940–1949	7.6%
1939 or earlier	5.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	4.4%
2 bedrooms	25.7%
3 bedrooms	49.2%
4 bedrooms	20.1%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.0%
1 vehicle	22.9%
2 vehicles	28.9%
3 or more	41.1%

Heating fuel

Fuel type	%
Utility gas	11.6%
Electricity	72.5%
Propane / LP gas	12.1%
Wood	3.9%

Households & families

Household type	Count	%
Married-couple family	530	66.7%
Cohabiting couple	36	4.5%
Male householder, no spouse	89	11.2%
Female householder, no spouse	140	17.6%
Households with children under 18	113	14.2%
Households with seniors (65+)	419	52.7%
Average household size	2.19

Marital status

Status	Male	Female
Never married	19.8%	9.1%
Married	64.8%	69.6%
Separated	0.0%	1.9%
Widowed	2.0%	13.4%
Divorced	13.4%	6.0%

Education

Less than 9th grade 2.1%

Some HS, no diploma 5.4%

HS graduate 37.5%

Some college, no degree 22.0%

Associate's degree 11.8%

Bachelor's degree 16.0%

Graduate / professional 5.3%

Metric	%
HS diploma or higher	92.6%
Bachelor's or higher	21.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	5.5%
Kindergarten	0	0.0%
Elementary school	28	12.9%
High school	128	59.0%
College / grad school	49	22.6%

Employment

Industry of employment

Agriculture & mining 16.3%

Construction 15.2%

Education & healthcare 11.6%

Retail trade 10.4%

Other services 9.8%

Wholesale trade 9.5%

Transportation & utilities 9.1%

Public administration 6.3%

Finance & real estate 4.5%

Manufacturing 3.6%

Professional & management 3.0%

Arts, food & hospitality 0.7%

Occupation

Category	%
Management, business & arts	20.8%
Service	15.0%
Sales & office	26.1%
Natural resources & construction	15.0%
Production & transportation	23.1%

Employment type

Type	%
Private sector	67.8%
Government	24.9%
Self-employed	7.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.3%
Carpool	1.3%
Public transit	0.0%
Walk	0.5%
Work from home	7.3%
Other means	0.5%
Avg commute (minutes)	33.0

Poverty

All people 8.6%

Under 18 years 0.0%

18 and over 9.6%

Married-couple families 2.3%

Female-led households 100.0%

Income support

Source	% of households
Social Security	71.3%
Retirement income	48.7%
Supplemental Security	7.8%
Cash public assistance	0.0%
Food stamps / SNAP	4.0%

Health indicators

Condition	%
Obesity	36.1%
High blood pressure	42.6%
High cholesterol	41.5%
Diabetes	14.3%
Heart disease	9.5%
Stroke	4.2%
Asthma	9.5%
Arthritis	31.2%
Kidney disease	3.8%
Pulmonary disease	10.2%
Cancer	8.5%

Behavior / access	%
Smoking	21.1%
Binge drinking	16.2%
No physical activity	27.2%
Less than 7 hrs sleep	33.4%
Depression	23.2%
Fair or poor health	19.8%
Poor mental health	15.2%
Poor physical health	13.9%
No health insurance	22.0%
Visited doctor (checkup)	73.9%
Visited dentist	53.8%
Cholesterol screening	91.0%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	132	8.5%

Disability	%
Any disability	31.7%
Under 18	9.7%
18–64 years	32.9%
65 and over	36.4%

Health insurance coverage

Type	%
Private insurance	76.7%
Public insurance	50.0%
No insurance	7.7%
Uninsured under 19	3.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,708	98.1%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,741	100.0%
Born in same state	1,741	100.0%
Born in different state	1,381	79.3%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	270	15.5%
French	237	13.6%
Arab	62	3.6%

Ancestry	Count	%
English	25	1.4%
Polish	2	0.1%

Technology access

Metric	% of households
Computer access	45.7%
Internet access	86.5%

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

Frequently asked questions about ZIP code 76687

What city is ZIP code 76687 in?

ZIP code 76687 is primarily assigned to Thornton, Texas.

What county is ZIP code 76687 in?

ZIP code 76687 falls within Limestone County, Texas.

Does ZIP code 76687 have a large retiree population?

71% of households in ZIP code 76687 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 76687 have an older population?

37% of residents in ZIP code 76687 are 65 or older, above the national average of ~17%.

Is ZIP code 76687 mostly owner-occupied?

88% of occupied units in ZIP code 76687 are owner-occupied, well above the national average.

What is the population of ZIP code 76687?

ZIP code 76687 has an estimated population of 1,741 residents, with a density of 13 people per square mile.

What timezone is ZIP code 76687 in?

ZIP code 76687 observes the CST timezone.