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Reviewed by the Houston Zip Codes Data TeamUpdated March 30, 2026Sources: U.S. Census Bureau ACS, USPS, FEMA, NOAA

ZIP code 77521 is located in Baytown East, Harris / Chambers County, Texas. It is a residential zip code in the Central Time Zone with an estimated population of 65,920. The area code for ZIP code 77521 is 281.

📍 ZIP code 77521 is in Baytown East, Harris / Chambers County, Texas.

What is zip code 77521?

77521 is a zip code covering Baytown East in Houston, Texas (Harris / Chambers County). It has a population of 65,920, a median household income of $76,012, and a median home value of $220,100.

65,920

Population

$76K

Median Income

$220K

Median Home

Harris / Chambers County · Area Code 281 · 20 sq mi

77521 — Baytown East

Baytown East · Highlands Adjacent

Baytown East is a large Houston neighborhood with 65,920 residents, a median household income of $76,012, and homes valued at a median of $220,100.

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Key Statistics

Population

65,920

3,296 per sq mi

Above Houston avg (38,923)

Median Income

$76K

Per capita: $33,115

Below avg ($85K)

Median Home

$220K

2.9x income ratio

Below avg ($302K)

College Educated

17.7%

6.1% graduate degree

Below avg (35%)

Baytown East (77521): Neighborhood Profile

Baytown East (ZIP 77521) is a densely settled Houston neighborhood, home to about 65,920 people across 20 square miles — roughly 3,296 residents per square mile. It has the texture of an established inner-ring community: a mix of older single-family stock and newer infill, with daily errands rarely more than a few minutes away. This is a working- and middle-income area. The median household income of $76,012 runs about 10% below the $84,833 Houston median, a profile common to neighborhoods anchored by service, trade, and hourly employment.

The population skews prime working age (median age 33.2) and family-oriented, with an average household of 2.76 people. With a diversity index of 52.2/100, 77521 is more racially and ethnically diverse than the typical Houston ZIP. The largest groups are Hispanic or Latino (49.8%) and White (44.5%).

Put in context, 77521's median home value of $220,100 sits 27% below the Houston-area median home value of $301,548. Both figures remain below the U.S. median home value (near $340,000 nationally), underscoring the relative affordability that continues to draw movers to the Houston metro. Educational attainment — 17.7% of adults hold a bachelor's degree, versus the 35% metro average — tracks the area's more working-class economic base.

Demographics & Diversity

Median Age

33.2

7% below Houston avg (36)
Household Size

2.76

23,795 total households
Diversity Index

52.2/100

7% above Houston avg (49)
Land Area

20 sq mi

3,296 people/sq mi
Area Code

281

Elevation

22 ft

Racial & Ethnic Composition

White 44.5%Hispanic 49.8%Black 17.6%Asian 2.7%Other 0%

Data Visualizations

Racial & Ethnic Breakdown

  • White
  • Hispanic
  • Black
  • Asian

vs Houston Average

IncomeHomeValueRent

Commute Mode (26 min avg)

  • Drive Alone
  • Carpool
  • Transit
  • WFH

Housing & Real Estate

Median Home Value

$220,100

Below avg ($301,548)

Median Rent

$1,312/mo

21% of median income

Below avg ($1,465)

Ownership Rate

59.1%

Vacancy Rate

5.3%

25,131 total units

The housing market in 77521 (Baytown East) features a median home value of $220,100, which is -27% below the Houston metro average. With a home-price-to-income ratio of 2.9x, the area offers accessible homeownership. The homeownership rate of 59.1% is above the city-wide average of 58%.

Affordability & Cost of Living in 77521

At a home-price-to-income ratio of 2.9, ownership in 77521 is unusually attainable. The median home of $220,100 is only 2.9 times the local median income — comfortably inside the 3x threshold lenders and financial planners treat as affordable. As a rough yardstick, a household would want income near $73,367 to buy at the local median under conventional guidelines.

Renting is comparatively comfortable here. Median rent of $1,312/month is only about 21% of median household income — a healthy cushion below the 30% cost-burden line. Ownership and renting are roughly balanced here (59.1% owner-occupied), giving the area a mix of long-term owners and a steady renter population. Annualized, the typical renter pays about $15,744 per year for housing.

Flood & Weather Risk

FEMA Flood Zone

A

High flood hazard
Flood Risk Level

High

Based on FEMA mapping
Hurricane Evac Zone

A

First to evacuate
Flood Events Since 2000

7

FEMA-declared events

Flood insurance is required for federally-backed mortgages in this zone.

77521 sits at 22 ft elevation with 54" average annual rainfall. Houston averages 50+ inches of rain per year, and this area has experienced significant flooding from storms like Hurricane Harvey (2017) and Tropical Storm Imelda (2019).

Local Amenities

80

Restaurants

23

Parks

5

Grocery Stores

2

Hospitals

3

Pharmacies

2

Gyms & Fitness

77521 (Baytown East) has an estimated 80 restaurants, 23 parks, and 5 grocery stores within its boundaries. The area is served by 2 hospitals, providing nearby emergency and specialty care.

What It's Like to Live in 77521

Commutes are a genuine selling point: the average one-way trip is 26 minutes, shorter than the 28-minute metro norm. Like most of the metro, this is a driving neighborhood: 81.7% of workers commute by car alone and transit use sits at just 0.6%.

Day to day, residents have roughly 80 restaurants, 5 grocery stores, 23 parks, and 2 gyms within or near the ZIP. Health care is close at hand with 2 hospitals and 3 pharmacies in the area. Notable nearby draws include Baytown Wetlands Center, Eddie V. Gray Wetlands.

Who does 77521 suit best? On the data, it fits families looking to put down roots and first-time buyers watching their budget. The main caution is flood exposure — this is a FEMA A zone with 7 declared flood events since 2000, so insurance and elevation deserve a hard look before committing.

Education & Schools

HS Graduation
47.4%
Bachelor's Degree
17.7%
Graduate Degree
6.1%

Educational attainment in 77521 shows 47.4% of adults have completed high school, 17.7% hold a bachelor's degree (below the Houston average of 35%), and 6.1% have earned an advanced degree.

Commute & Transportation

Average Commute

26 min

Below avg (28 min)

Drive Alone
81.7%
Carpool
9.4%
Public Transit
0.6%
Work from Home
6.2%

Climate & Geography

Summer High (July)

94°F

34°C

Winter Low (January)

44°F

7°C

Annual Rainfall54"
Elevation22 ft
Coordinates29.7800°N, 94.9400°W

Houston vs Other Texas Cities

Cost of living, home prices, and income compared.

CityPopulationCost IndexMedian HomeMedian IncomeMedian Rent
Houston2.3M100$301,548$84,833$1,465/mo
Austin1.0M117$475,000$85,000$1,650/mo
Dallas1.3M105$315,000$60,000$1,400/mo
San Antonio1.5M92$240,000$55,000$1,200/mo

Houston's cost of living index of 100 is used as the baseline. Source: Census ACS 2020–2024 & BLS regional data.

Nearby Attractions

Baytown Wetlands CenterEddie V. Gray Wetlands

Zip Codes Near 77521

Explore neighboring communities and compare demographics.

Similar Neighborhoods

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People Also Ask

What zip code is Baytown East, Texas?

Baytown East is served by zip code 77521 in Houston, Texas, located in Harris / Chambers County.

What county is zip code 77521 in?

Zip code 77521 is in Harris / Chambers County, Texas, within the Houston metropolitan area.

What is the population of zip code 77521?

The estimated population of zip code 77521 (Baytown East) is 65,920, based on U.S. Census Bureau data.

Is 77521 in Houston, Texas?

Yes, zip code 77521 is located in the Houston, Texas metropolitan area, in Harris / Chambers County.

FAQ — 77521 (Baytown East)

Frequently asked questions about zip code 77521 in Houston, TX.

What is the population of 77521?

The population of zip code 77521 in Houston, TX is approximately 65,920 people, with a median age of 33.2 and an average household size of 2.76. There are 23,795 total households across 20 square miles.

What is the median household income in 77521?

The median household income in 77521 (Baytown East) is $76,012, which is below the Houston average of $84,833. Per capita income is $33,115.

What schools are in 77521?

Top-rated schools in 77521 (Baytown East) include schools in the local ISD. The area has a 47.4% high school graduation rate and 17.7% bachelor's degree rate.

What is the average commute time in 77521?

The average commute in 77521 is 26 minutes. 81.7% drive alone, 9.4% carpool, 0.6% use transit, and 6.2% work from home.

What neighborhoods are in 77521?

77521 includes Baytown East, Highlands Adjacent. These neighborhoods are in Baytown East, Houston, Texas, in Harris / Chambers County. The area covers 20 square miles.

What is the flood risk in 77521?

Zip code 77521 (Baytown East) is in FEMA flood zone A with a high flood risk level. It falls within Hurricane Evacuation Zone A. Flood insurance is required for federally-backed mortgages. The area has experienced 7 FEMA-declared flood events since 2000, sits at 22 ft elevation, and receives approximately 54 inches of annual rainfall.

Is 77521 a good place to live?

It depends on priorities, but the data paints a clear picture. ZIP 77521 (Baytown East) is a working area with very accessible home prices, 26-minute average commutes, and high flood risk. It tends to suit families best. Median household income is $76,012 and the median home value is $220,100.

How expensive is it to live in 77521?

Housing is the main cost driver. The median home value is $220,100 (27% below the Houston average) and median rent is $1,312 per month, which is about 21% of the local median income. The home-price-to-income ratio is 2.9, making ownership very accessible for typical local earners.

Is 77521 a safe area from flooding?

ZIP 77521 is mapped in FEMA flood zone A with a high overall flood-risk rating, and it falls in Hurricane Evacuation Zone A. The area has recorded 7 FEMA-declared flood events since 2000, sits at 22 feet of elevation, and flood insurance is required for federally-backed mortgages here.

What kind of people live in 77521?

The median resident is 33.2 years old and the typical household has 2.76 people, giving 77521 a family-heavy character. 17.7% of adults hold a bachelor's degree (below the 35% metro average). The population is notably diverse, led by Hispanic or Latino (49.8%) and White (44.5%) residents.

All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. ZIP Code Tabulation Areas (ZCTAs) used by the Census Bureau may differ slightly from USPS ZIP code boundaries.

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