ZIP Code Tabulation Area · Texas

ZIP Code 77521: Baytown, TX

ZIP Code 77521 (Baytown, Harris County, Texas) has an estimated 69,038 residents in 24,321 households. The median household income is $73,629, the median home value is $231,400 and the median gross rent is $1,390/mo. 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

Total population

69,038

Margin of error ±2,684

Median household income

$73,629

Margin of error ±$6,795

Median home value

$231,400

Margin of error ±$8,554

Median gross rent

$1,390/mo

Margin of error ±$58

Median age

32.9 yrs

Margin of error ±1.1 yrs

Mean travel time to work

25.2 min

Margin of error ±2.6 min

How ZIP 77521 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 7752132.9 yrsTexas35.6 yrsUnited States38.9 yrs

Median household income

ZIP 77521$73,629Texas$78,476United States$80,734

Per capita income

ZIP 77521$32,886Texas$40,752United States$44,673

Poverty rate

ZIP 7752115.4%Texas13.8%United States12.5%

Unemployment rate

ZIP 775219.7%Texas5.3%United States5.2%

Bachelor's degree or higher

ZIP 7752116.9%Texas33.8%United States35.7%

Median home value

ZIP 77521$231,400Texas$283,800United States$332,700

Median gross rent

ZIP 77521$1,390/moTexas$1,403/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7752158.2%Texas62.6%United States65.2%

Mean travel time to work

ZIP 7752125.2 minTexas26.7 minUnited States26.4 min

Worked from home

ZIP 775217.2%Texas14.4%United States15.1%

All figures for ZIP 77521

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 77521 — ACS 2020–2024 5-year estimates
MeasureZIP 77521Margin of errorTexasUnited States
Total population69,038±2,68430,188,424334,922,499
Median age32.9 yrs±1.1 yrs35.6 yrs38.9 yrs
Households24,321±95310,992,816129,227,496
Median household income$73,629±$6,795$78,476$80,734
Per capita income$32,886±$1,958$40,752$44,673
Poverty rate15.4%±3.6 pts13.8%12.5%
Unemployment rate9.7%±2.4 pts5.3%5.2%
Bachelor's degree or higher16.9%±2.0 pts33.8%35.7%
Median home value$231,400±$8,554$283,800$332,700
Median gross rent$1,390/mo±$58$1,403/mo$1,413/mo
Owner-occupied homes58.2%±2.8 pts62.6%65.2%
Mean travel time to work25.2 min±2.6 min26.7 min26.4 min
Worked from home7.2%±1.7 pts14.4%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 77521
GroupZIP 77521TexasUnited States
White alone, not Hispanic or Latino25.5%39.1%57.4%
Black or African American alone, not Hispanic or Latino15.4%11.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.1%0.1%0.5%
Asian alone, not Hispanic or Latino2.4%5.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.1%0.2%
Some other race alone, not Hispanic or Latino0.6%0.4%0.6%
Two or more races, not Hispanic or Latino3.1%3.1%4.3%
Hispanic or Latino (of any race)52.8%39.7%19.3%

Where ZIP 77521 is

State
Texas
Main county
Harris County— also overlaps Chambers County
Largest overlapping place
Baytown (35% of the ZIP's land area)
Land area
49.27 sq mi· about 1,401 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 Harris County

77396 Houston, TX77401 Bellaire, TX77429 Harris County, TX77433 Harris County, TX77447 Harris County, TX77449 Harris County, TX77450 Houston, TX77493 Harris County, TX77502 Pasadena, TX77503 Pasadena, TX77504 Pasadena, TX77505 Pasadena, TX77506 Pasadena, TX77507 Pasadena, TX77520 Baytown, TX77530 Channelview, TX77532 Harris County, TX77536 Deer Park, TX77547 Galena Park, TX77562 Highlands, TX77571 La Porte, TX77586 Seabrook, TX77587 South Houston, TX77598 Webster, TX

See every ZIP code in Texas, or compare ZIP 77521 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.