Postal Codes

77521 ZIP Code

Advertisement

English Español

ZIP code 77521 covers Baytown, Texas, with a population of about 65,920 and a median household income of $76,012.

Population
65,9201,338 per square mile
Median age
33.25.5 points below the US average
Median household income
$76,012about the Texas median
Poverty rate
14.2%1.8 points above the US average
Typical home value
$255,960up 13.5% in five years
Median rent
$1,312about the Texas median
Degree or higher
17.7%17.3 points below the US average
Homeownership
59.1%5.9 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
879

Where 77521 is

Baytown, Texas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population65,920
Median age33.2
Family households66.4%
Born outside the US20%
Speaks a language other than English at home40.7%
White (non-Hispanic)28.1%
Black (non-Hispanic)16.7%
Asian (non-Hispanic)2.7%
Hispanic or Latino49.8%
Veterans6.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$76,012
Income per person$33,115
Poverty rate14.2%
Households on SNAP or cash assistance13%

Household income distribution

Under $10k4.1%
$10–15k4.4%
$15–20k3.0%
$20–25k4.6%
$25–30k3.1%
$30–35k3.9%
$35–40k2.5%
$40–45k4.3%
$45–50k4.4%
$50–60k6.6%
$60–75k8.6%
$75–100k16.4%
$100–125k9.9%
$125–150k8.7%
$150–200k8.9%
$200k or more6.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed29,110
Mean adjusted gross income$63,745
Returns declaring $200,000 or more3.2%
Returns, under $25k29.9%
Returns, $25k–$50k23.9%
Returns, $50k–$75k16.3%
Returns, $75k–$100k10.9%
Returns, $100k–$200k15.8%
Returns, $200k or more3.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$220,100
Median gross rent$1,312
Rent as a share of household income28.5%
Owner-occupied59.1%
Vacant homes5.3%
Median year built1996

What the homes are

Detached house61%
Attached house1.5%
2 to 4 units4.2%
5 to 19 units16.2%
20 or more units9.2%
Mobile home7.5%
Boat, RV or van0.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$255,960as of 2026-07
Typical home value, 1 yeardown 1.1%
Typical home value, 5 yearsup 13.5%
Typical home value, 10 yearsup 59.6%
Typical asking rent$1,587as of 2026-07
Typical asking rent, 1 yearup 1.1%
Typical asking rent, 5 yearsup 19.6%
Typical asking rent, 10 yearsup 32.7%
Typical home value since 2000
200020132026$264,176$102,324

$102,324 in 2000 to $255,960 in 2026.

Typical asking rent
201620212026$1,587$1,196

$1,196 in 2016 to $1,587 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.8%
Bachelor's degree or higher17.7%
High school diploma or higher82%
Works from home6.2%
Drives to work alone81.7%
Takes public transport0.6%
Commutes 45 minutes or more15%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity38% 4.6 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure32% 2.1 pts below the national average of 34.1%
Fair or poor general health22.6% 2.3 pts above the national average of 20.3%
No health insurance (18–64)23.1% 11.8 pts above the national average of 11.3%
Depression21.1% 0.8 pts below the national average of 21.9%
No leisure-time physical activity27.5% 2.1 pts above the national average of 25.4%
Arthritis19.6% 5.5 pts below the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication72.3% 2.4 pts below the national average of 74.7%
Cancer (non-skin)5.2% 2.5 pts below the national average of 7.7%
Current asthma9.7% 0.7 pts below the national average of 10.4%
Coronary heart disease5.3% 0.9 pts below the national average of 6.2%
Routine check-up in past year71.9% 4.8 pts below the national average of 76.7%
Cholesterol screening82.3% 3.6 pts below the national average of 85.9%
Cognitive disability17.4% 2.6 pts above the national average of 14.8%
Colorectal screening55.2% 9.1 pts below the national average of 64.3%
COPD5.9% 0.7 pts below the national average of 6.6%
Visited a dentist50.7% 10.6 pts below the national average of 61.3%
Any disability32.8% 2.1 pts above the national average of 30.7%
Hearing disability5.9% 0.8 pts below the national average of 6.7%
High cholesterol34.3% 1.9 pts below the national average of 36.2%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Mammography use70.9% 5 pts below the national average of 75.9%
Poor mental health (14+ days)18.1% 1.3 pts above the national average of 16.8%
Mobility disability14.1% same as the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Sleeps under 7 hours41.1% 4.7 pts above the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost15.1% 2.1 pts above the national average of 13%
Vision disability6.9% 1.3 pts above the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments879
People employed16,985
Annual payroll$917,412,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 87.4% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 16 census tracts this ZIP code covers
Expected annual loss84.1 out of 100
Community resilience34.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Tornado97.8Very High at its worst in this ZIP code
Hurricane93.4Relatively High at its worst in this ZIP code
Heat wave85.9Relatively High at its worst in this ZIP code
River flooding85Very High at its worst in this ZIP code
Cold wave84.6Relatively High at its worst in this ZIP code
Coastal flooding82Relatively Low at its worst in this ZIP code
Landslide75.4Relatively Low at its worst in this ZIP code
Wildfire74.5Relatively Moderate at its worst in this ZIP code
Lightning65.6Very High at its worst in this ZIP code
Ice storm64Relatively High at its worst in this ZIP code
Drought54.6Relatively Low at its worst in this ZIP code
Strong wind48.5Relatively High at its worst in this ZIP code
Hail43.1Relatively Moderate at its worst in this ZIP code
Winter weather33.7Relatively Moderate at its worst in this ZIP code
Earthquake23.9Very Low at its worst in this ZIP code
Compared with Texas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTexasUnited States
Median household income$76,012$76,292$78,538
Income per person$33,115$39,446$43,289
Poverty rate14.2%13.8%12.4%
Median home value$220,100$260,400$303,400
Median gross rent$1,312$1,339$1,348
Homeownership59.1%62.6%65%
Bachelor's degree or higher17.7%33.1%35%
Unemployment rate7.8%5.1%5.2%
Works from home6.2%12.8%13.5%
Born outside the US20%17.2%13.9%
Median age33.235.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBAYTOWN, TX US16.1 km away
Rain in a year65 in

Average high and low by month

January62.9°F / 41.4°F4.85 in rain
February66.4°F / 45.3°F3.78 in rain
March72.1°F / 52°F3.94 in rain
April77.5°F / 58.5°F4.51 in rain
May84.2°F / 66.7°F6.01 in rain
June89.2°F / 72.7°F7.08 in rain
July91.5°F / 74.6°F5.49 in rain
August92.3°F / 74.3°F6.82 in rain
September88.5°F / 69°F6.41 in rain
October81.6°F / 59.6°F6.13 in rain
November71.4°F / 50.1°F4.94 in rain
December64.5°F / 43.6°F4.77 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket3% of this ZIP code's area
Far from a supermarket37% of this ZIP code's area
No vehicle and far from a supermarket3% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Goose Creek Consolidated Independent School District77.5% of this ZIP code's land area
Barbers Hill Independent School District19.3% of this ZIP code's land area
Crosby Independent School District3.2% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability62more vulnerable than 62% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics63more vulnerable than 63% of US census tracts
Racial and ethnic minority status70more vulnerable than 70% of US census tracts
Housing type and transport50more vulnerable than 50% of US census tracts
Walkability6.4 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

77520 Baytown, TX2.7 km away
77522 Baytown, TX4 km away
77562 Highlands, TX9.4 km away
77523 Baytown, TX10.5 km away
77580 Mont Belvieu, TX11.5 km away
77571 La Porte, TX12.1 km away
77572 La Porte, TX12.6 km away
77530 Channelview, TX15.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Harris County77.3% of this ZIP code's land area
Chambers County22.7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area49.27 sq mi
Water area0.93 sq mi
Population density1,338 people per sq mi
Latitude, longitude29.7705, -94.9695

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement