77431 ZIP Code — Danciger, TX

Brazoria County, Texas

ZIP code 77431 is located in Danciger, Texas, within Brazoria County. It covers approximately 12.89 square miles and serves a population of 345 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 979.

About ZIP code 77431

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Owner-occupancy is high at 96%, well above the national average.

Median household income is $16,513. 87% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with retail trade as the leading industry.

27% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 61%.

Overall, ZIP code 77431 reflects a community defined by high homeownership and a significant Social Security-dependent population.

345

population

12.89

sq mi land

Standard

ZIP type

Central (CT)

timezone

77431 ZIP code map

Cities in ZIP code 77431

Below are the cities the US Postal Service accepts for ZIP code 77431. Using any city not on this list may result in mail delivery delays.

City	Status
Danciger	Acceptable

Demographics updated 06/2026

Population
Total population	345
Population density	27 / sq mi
State FIPS	48
County FIPS	039

Geography
Land area	12.89 sq mi
Water area	0.16 sq mi
Latitude	29.1825
Longitude	-95.8279
Timezone	Central (CT)
Area code	979

Total population by age

Gender

Race & ethnicity

Demographics & statistics

345

Population

People per sq mi

88.2

Median age

$16,513

Median household income

$16,616

Per capita income

Median home value

Median monthly rent

96.0%

Home ownership

0.0%

Poverty rate

14.5%

Unemployment

272

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

15–19

45–54

65–74

85+

189

← Male

Female →

Age summary

Group	Count	%
Under 18	33	9.6%
18 and over	312	90.4%
65 and over	219	63.5%
Median age	88.2 years

Race & ethnicity

Black or African American 100%

Group	Count	%
Black or African American	345	100%

Household income

$15k–$25k 82.6%

$25k–$35k 13.4%

$100k–$150k 4.0%

Range	% of households
$15k–$25k	82.6%
$25k–$35k	13.4%
$100k–$150k	4.0%
Median income	$16,513

Housing

Home values

$50k–$100k 100.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	96.0%
Renter occupied	4.0%
Vacant	10.3%
Single-family detached	74.1%
Large apartment buildings	0.0%
Mobile homes	25.9%
Median rooms	5.0
Avg household size (owned)	1.38

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	12.1%
1990–1999	3.5%
1980–1989	10.3%
1970–1979	0.0%
1960–1969	74.1%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	74.1%
3 bedrooms	25.9%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	100.0%
2 vehicles	0.0%
3 or more	0.0%

Heating fuel

Fuel type	%
Electricity	17.4%
Fuel oil	82.6%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	253	100.0%
Households with children under 18	34	13.4%
Households with seniors (65+)	219	86.6%
Average household size	1.36

Marital status

Status	Male	Female
Never married	0.0%	33.0%
Married	0.0%	0.0%
Separated	0.0%	0.0%
Widowed	0.0%	67.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 4.0%

Some HS, no diploma 13.4%

HS graduate 0.0%

Some college, no degree 82.6%

Associate's degree 0.0%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	82.6%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Retail trade 100.0%

Occupation

Category	%
Management, business & arts	0.0%
Service	0.0%
Sales & office	100.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	86.6%
Retirement income	4.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	4.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	60.6%
Under 18	0.0%
18–64 years	0.0%
65 and over	95.4%

Health insurance coverage

Type	%
Private insurance	0.0%
Public insurance	73.0%
No insurance	27.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	312	90.4%
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)	345	100.0%
Born in same state	345	100.0%
Born in different state	345	100.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Technology access

Metric	% of households
Computer access	73.3%
Internet access	82.6%

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

Frequently asked questions about ZIP code 77431

What city is ZIP code 77431 in?

ZIP code 77431 is primarily assigned to Danciger, Texas.

What county is ZIP code 77431 in?

ZIP code 77431 falls within Brazoria County, Texas.

Does ZIP code 77431 have an older population?

64% of residents in ZIP code 77431 are 65 or older, above the national average of ~17%.

Does ZIP code 77431 have a large retiree population?

87% of households in ZIP code 77431 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 77431 mostly owner-occupied?

96% of occupied units in ZIP code 77431 are owner-occupied, well above the national average.

What is the median household income in ZIP code 77431?

The median household income in ZIP code 77431 is $16,513, below the national median of ~$75,000.

What timezone is ZIP code 77431 in?

ZIP code 77431 observes the CST timezone.