Baytown ZIP Code List — Harris County, TX

There are 4 unique ZIP codes in Baytown, Texas. Area code: 281/832/346.

ZIP codes

155.49

sq mi land

23.62

sq mi water

281/832/346

area code

Baytown, TX ZIP code map

About Baytown, TX

Baytown, Texas, is a vibrant city located in Harris County, known for its rich industrial history and friendly community atmosphere. The city is a strategic hub that plays a significant role in the energy and shipping industries due to its proximity to the Houston Ship Channel. With its diverse population and a variety of recreational opportunities, Baytown offers both residents and visitors a unique blend of urban convenience and coastal charm.

Location & geography

Baytown is situated approximately 30 miles east of downtown Houston, making it an ideal location for commuters. The city is bordered by several other communities, including Pasadena to the west, La Porte to the south, and Mont Belvieu to the east. Covering a land area of 140.60 square miles and a water area of 25.73 square miles, Baytown features a mix of suburban landscapes and waterfront areas.

Community & economy

The character of Baytown is largely defined by its industrious community that thrives on a mix of manufacturing and service sectors. Major industries include petrochemicals and energy, which provide ample employment opportunities for residents. Daily life in Baytown is enriched by local parks, annual festivals, and community events that foster a strong sense of belonging among its residents.

Transportation

Baytown is well-connected by major highways, including Interstate 10 and Highway 146, providing easy access to surrounding cities and the broader Houston metropolitan area. The nearest airport is George Bush Intercontinental Airport, located about 40 miles to the west, while William P. Hobby Airport serves as an alternative for regional flights. Public transportation options are available, although many residents rely on personal vehicles for commuting.

History

Baytown was originally founded in the early 1900s and quickly developed as a center for the oil and gas industry. Following significant industrial growth in the mid-20th century, the city became an important player in the Texas energy sector. Notable events in Baytown's history include its incorporation in 1948 and the establishment of the Baytown Nature Center, which highlights the area's natural beauty.

Did you know?

A surprising fact about Baytown is that it hosts the annual Country Music Festival, which attracts music lovers from across the region. Additionally, the city is home to the Baytown Nature Center, a vast area dedicated to wildlife conservation and outdoor recreation.

ZIP codes for Baytown, TX (4)

ZIP code	City	County	Map
77520	Baytown	Harris	View map
77521	Baytown	Harris	View map
77522	Baytown	Harris	View map
77523	Baytown	Chambers	View map

Demographics & statistics

130,192

Population

34.3

Median age

$80,789

Median household income

$33,707

Per capita income

$219,333

Median home value

$1,248

Median monthly rent

66.2%

Home ownership

14.9%

Poverty rate

7.9%

Unemployment

32,736

Housing units

19.0%

Bachelor's or higher

Age distribution

Male Female

4,692

Under 5

4,546

4,840

5–9

4,689

5,878

10–14

5,695

4,844

15–19

4,694

4,453

20–24

4,315

9,472

25–34

9,179

9,947

35–44

9,639

8,684

45–54

8,414

2,803

55–59

2,716

3,421

60–64

3,315

4,575

65–74

4,433

1,820

75–84

1,763

693

85+

672

← Male

Female →

Age summary

Group	Count	%
Under 18	36,268	27.6%
18 and over	93,924	72.4%
65 and over	13,956	10.8%
Median age	34.3 years

Race & ethnicity

White 47%

Hispanic or Latino 19.5%

Two or more races 11.4%

Black or African American 10.9%

Other race 9.5%

Asian 1.3%

American Indian / Alaska Native 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	76,095	47%
Hispanic or Latino	31,636	19.5%
Two or more races	18,506	11.4%
Black or African American	17,585	10.9%
Other race	15,429	9.5%
Asian	2,098	1.3%
American Indian / Alaska Native	362	0.2%
Native Hawaiian / Pacific Islander	117	0.1%

Household income

Under $10k 6.0%

$10k–$15k 4.0%

$15k–$25k 5.9%

$25k–$35k 5.6%

$35k–$50k 11.8%

$50k–$75k 15.1%

$75k–$100k 12.6%

$100k–$150k 18.5%

$150k–$200k 11.0%

$200k+ 9.6%

Range	% of households
Under $10k	6.0%
$10k–$15k	4.0%
$15k–$25k	5.9%
$25k–$35k	5.6%
$35k–$50k	11.8%
$50k–$75k	15.1%
$75k–$100k	12.6%
$100k–$150k	18.5%
$150k–$200k	11.0%
$200k+	9.6%
Median income	$80,789

Housing

Home values

Under $50k 6.7%

$50k–$100k 11.3%

$100k–$150k 14.8%

$150k–$200k 13.9%

$200k–$300k 28.0%

$300k–$500k 18.3%

$500k–$1M 6.3%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$219,333
Median rent / month	$1,248
Owner occupied	66.2%
Renter occupied	33.8%
Vacant	7.7%
Single-family detached	70.0%
Large apartment buildings	6.4%
Mobile homes	7.4%
Median rooms	5.8
Avg household size (owned)	3.01

Year built

Era	%
2020 or later	1.7%
2010–2019	17.0%
2000–2009	21.9%
1990–1999	11.6%
1980–1989	10.3%
1970–1979	12.2%
1960–1969	8.3%
1950–1959	8.8%
1940–1949	5.1%
1939 or earlier	3.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	10.8%
2 bedrooms	20.2%
3 bedrooms	40.6%
4 bedrooms	23.1%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	6.4%
1 vehicle	26.1%
2 vehicles	41.8%
3 or more	25.8%

Heating fuel

Fuel type	%
Utility gas	40.8%
Electricity	56.4%
Propane / LP gas	1.9%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	22,465	51.7%
Cohabiting couple	3,944	8.6%
Male householder, no spouse	8,678	17.4%
Female householder, no spouse	10,905	22.3%
Households with children under 18	18,711	41.4%
Households with seniors (65+)	10,252	22.7%
Average household size	2.83

Marital status

Status	Male	Female
Never married	35.6%	29.8%
Married	51.2%	49.1%
Separated	1.4%	3.8%
Widowed	2.2%	6.9%
Divorced	9.5%	10.3%

Education

Less than 9th grade 8.3%

Some HS, no diploma 9.6%

HS graduate 27.0%

Some college, no degree 25.7%

Associate's degree 10.4%

Bachelor's degree 12.6%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	82.1%
Bachelor's or higher	19.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1,362	3.7%
Kindergarten	1,535	4.7%
Elementary school	16,697	46.6%
High school	8,375	24.7%
College / grad school	6,961	20.3%

Employment

Industry of employment

Education & healthcare 18.3%

Construction 15.1%

Manufacturing 14.1%

Arts, food & hospitality 10.7%

Retail trade 10.3%

Professional & management 8.1%

Transportation & utilities 7.4%

Other services 4.4%

Finance & real estate 4.1%

Public administration 2.9%

Wholesale trade 2.5%

Agriculture & mining 1.5%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.8%
Service	15.8%
Sales & office	18.1%
Natural resources & construction	15.8%
Production & transportation	18.6%

Employment type

Type	%
Private sector	81.4%
Government	12.9%
Self-employed	5.5%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	82.8%
Carpool	10.9%
Public transit	0.6%
Walk	0.9%
Other means	0.8%
Avg commute (minutes)	27.5

Poverty

All people 14.9%

Under 18 years 22.2%

18 and over 12.2%

Married-couple families 6.1%

Female-led households 37.1%

Income support

Source	% of households
Social Security	22.9%
Retirement income	16.2%
Supplemental Security	5.2%
Cash public assistance	1.9%
Food stamps / SNAP	12.9%

Health indicators

Condition	%
High blood pressure	31.8%
High cholesterol	33.7%
Heart disease	5.5%
Stroke	2.8%
Asthma	9.2%
Arthritis	19.8%
Kidney disease	2.7%
Pulmonary disease	6.1%
Cancer	5.0%

Behavior / access	%
Binge drinking	20.0%
No physical activity	26.9%
Less than 7 hrs sleep	34.2%
Fair or poor health	17.3%
Poor mental health	16.2%
Poor physical health	11.2%
No health insurance	30.4%
Visited doctor (checkup)	69.8%
Visited dentist	52.2%
Cholesterol screening	87.5%
Teeth loss	15.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	6,133	6.8%

Disability	%
Any disability	11.2%
Under 18	7.1%
18–64 years	8.7%
65 and over	35.1%

Health insurance coverage

Type	%
Private insurance	57.2%
Public insurance	27.8%
Uninsured under 19	14.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	120,954	93.3%
Spanish	16,621	12.5%
Other Indo-European	15,752	11.9%
Asian & Pacific Islander	272	0.2%
Other languages	562	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	108,186	84.5%
Born in same state	105,777	82.6%
Born in different state	84,551	66.1%
Foreign born	2,409	1.9%
Naturalized citizen	22,006	15.5%
Not a US citizen	9,180	44.3%

Ancestry

Ancestry	Count	%
French	7,009	5.4%
Italian	6,876	5.3%
Arab	4,502	3.5%
German	736	0.6%

Ancestry	Count	%
English	482	0.4%
Polish	345	0.3%
Dutch	127	0.1%
Irish	40	0%

Technology access

Metric	% of households
Computer access	35.1%
Internet access	95.5%

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

Frequently asked questions

What ZIP codes does Baytown, TX have?

Baytown, TX has 6 ZIP codes: 77520, 77520, 77521, 77521, 77523, 77523. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Baytown, TX?

The primary ZIP code for Baytown, TX is 77523. The city uses area code 346 or 832 for phone service.

What county is Baytown, TX in?

Baytown is located in Chambers County, Texas.

How many ZIP codes are in Baytown, TX?

Baytown, TX has 6 ZIP codes.

What ZIP code should I use for mailing to businesses in downtown Baytown near the San Jacinto River?

Downtown Baytown and the San Jacinto River waterfront area primarily use ZIP code 77520 for mailing addresses.

Which ZIP codes serve the industrial and petrochemical refinery areas in Baytown?

The major petrochemical and industrial corridor in Baytown is served by ZIP codes 77521 and 77523, which cover the manufacturing districts along the Houston Ship Channel.