ZIP Code Tabulation Area · Texas

ZIP Code 77431: Brazoria County, TX

ZIP Code 77431 (Brazoria County, Texas) has an estimated 250 residents in 217 households. The median household income is $16,391, the median home value is — and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 7 figures for this ZIP (population, households, per capita income, unemployment, bachelor's or higher, owner-occupied, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

250*

Margin of error ±237· estimate has a large margin of error

Median household income

$16,391

Margin of error ±$432

Median home value

—

Margin of error not available

Median gross rent

—

Margin of error not available

Median age

88.4 yrs

Margin of error ±8.5 yrs

Mean travel time to work

—

Margin of error not available

How ZIP 77431 compares with Texas and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7743188.4 yrsTexas35.6 yrsUnited States38.9 yrs

Median household income

ZIP 77431$16,391Texas$78,476United States$80,734

Per capita income

ZIP 77431$27,702*Texas$40,752United States$44,673

Poverty rate

ZIP 774310.0%Texas13.8%United States12.5%

Unemployment rate

ZIP 7743145.5%*Texas5.3%United States5.2%

Bachelor's degree or higher

ZIP 774310.0%*Texas33.8%United States35.7%

Median home value

ZIP 77431—Texas$283,800United States$332,700

Median gross rent

ZIP 77431—Texas$1,403/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7743195.4%*Texas62.6%United States65.2%

Mean travel time to work

ZIP 77431—Texas26.7 minUnited States26.4 min

Worked from home

ZIP 774310.0%*Texas14.4%United States15.1%

All figures for ZIP 77431

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 77431 — ACS 2020–2024 5-year estimates
Measure	ZIP 77431	Margin of error	Texas	United States
Total population	250*	±237	30,188,424	334,922,499
Median age	88.4 yrs	±8.5 yrs	35.6 yrs	38.9 yrs
Households	217*	±226	10,992,816	129,227,496
Median household income	$16,391	±$432	$78,476	$80,734
Per capita income	$27,702*	±$20,991	$40,752	$44,673
Poverty rate	0.0%	±6.0 pts	13.8%	12.5%
Unemployment rate	45.5%*	±55.1 pts	5.3%	5.2%
Bachelor's degree or higher	0.0%*	±13.2 pts	33.8%	35.7%
Median home value	—	—	$283,800	$332,700
Median gross rent	—	—	$1,403/mo	$1,413/mo
Owner-occupied homes	95.4%*	±29.7 pts	62.6%	65.2%
Mean travel time to work	—	—	26.7 min	26.4 min
Worked from home	0.0%*	±125.0 pts	14.4%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 77431
Group	ZIP 77431	Texas	United States
White alone, not Hispanic or Latino	0.0%	39.1%	57.4%
Black or African American alone, not Hispanic or Latino	82.0%	11.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.1%	0.5%
Asian alone, not Hispanic or Latino	0.0%	5.5%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	0.0%	3.1%	4.3%
Hispanic or Latino (of any race)	18.0%	39.7%	19.3%

Where ZIP 77431 is

State: Texas
Main county: Brazoria County
Land area: 12.89 sq mi· about 19 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Brazoria County

77422 Brazoria County, TX 77430 Brazoria County, TX 77480 Brazoria County, TX 77486 Brazoria County, TX 77511 Brazoria County, TX 77515 Brazoria County, TX 77531 Clute, TX 77534 Brazoria County, TX 77541 Brazoria County, TX 77566 Lake Jackson, TX 77577 Brazoria County, TX 77578 Manvel, TX 77581 Pearland, TX 77583 Brazoria County, TX 77584 Pearland, TX

See every ZIP code in Texas, or compare ZIP 77431 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.