Houston ZIP Codes — Washington County, PA

There is one unique ZIP code in Houston, Pennsylvania and it is 15342. Area code: 412.

ZIP codes

3.21

sq mi land

0.00

sq mi water

412

area code

Houston, PA ZIP code map

About Houston, PA

Houston is a charming borough located in Washington County, Pennsylvania. This small city spans a modest area and offers a close-knit community atmosphere. Known for its friendly residents and local events, Houston is a unique gem within the larger Pittsburgh metropolitan region.

Location & geography

Houston is situated approximately 20 miles southwest of Pittsburgh, placing it within easy reach of the amenities and attractions of the bigger city. The borough has a total land area of 3.21 square miles, featuring a flat terrain that is typical of the region. Notably, there is no water area within its boundaries, making it a landlocked location.

Community & economy

Houston fosters a strong sense of community, where families often gather for local festivals and events. The economy primarily revolves around local businesses and industries that support the daily needs of residents. Life in Houston embodies the spirit of small-town living, with parks and recreational areas providing spaces for relaxation and outdoor activities.

Transportation

Residents have easy access to major highways such as Interstate 70, which connects to neighboring regions and cities. The closest major airport is Pittsburgh International Airport, located about 30 miles to the northeast. Public transportation options are limited, but the community maintains a welcoming environment for those commuting to nearby cities.

History

Houston was founded in the early 19th century and has since been a part of the agricultural heartland of Pennsylvania. The city has historically relied on industries such as agriculture and manufacturing, which have shaped its growth and development over the years. Notable events in Houston’s history include the establishment of various local businesses that continue to thrive today.

Did you know?

A surprising fact about Houston is that it is home to a significant part of the Washington County community, yet it remains lesser-known compared to larger nearby cities. Additionally, Houston's close proximity to Pittsburgh provides residents access to urban culture while preserving its tranquil small-town charm.

ZIP codes for Houston, PA (1)

ZIP code	City	County	Map
15342	Houston	Washington	View map

Demographics & statistics

5,138

Population

45.0

Median age

$91,510

Median household income

$46,500

Per capita income

$227,800

Median home value

$988

Median monthly rent

85.3%

Home ownership

6.9%

Poverty rate

5.1%

Unemployment

2,150

Housing units

31.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

108

160

5–9

180

139

10–14

156

112

15–19

126

20–24

273

25–34

306

382

35–44

428

262

45–54

294

234

55–59

261

222

60–64

248

329

65–74

367

121

75–84

135

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	999	19.4%
18 and over	4,139	80.6%
65 and over	1,048	20.4%
Median age	45.0 years

Race & ethnicity

White 93.4%

Black or African American 4.4%

Two or more races 1.4%

Hispanic or Latino 0.7%

Group	Count	%
White	4,835	93.4%
Black or African American	229	4.4%
Two or more races	74	1.4%
Hispanic or Latino	37	0.7%

Household income

Under $10k 4.2%

$10k–$15k 1.5%

$15k–$25k 5.5%

$25k–$35k 5.9%

$35k–$50k 7.1%

$50k–$75k 13.0%

$75k–$100k 21.4%

$100k–$150k 21.0%

$150k–$200k 8.9%

$200k+ 11.5%

Range	% of households
Under $10k	4.2%
$10k–$15k	1.5%
$15k–$25k	5.5%
$25k–$35k	5.9%
$35k–$50k	7.1%
$50k–$75k	13.0%
$75k–$100k	21.4%
$100k–$150k	21.0%
$150k–$200k	8.9%
$200k+	11.5%
Median income	$91,510

Housing

Home values

Under $50k 1.2%

$50k–$100k 8.7%

$100k–$150k 11.6%

$150k–$200k 18.1%

$200k–$300k 34.3%

$300k–$500k 21.8%

$500k–$1M 4.3%

Housing overview

Metric	Value
Median home value	$227,800
Median rent / month	$988
Owner occupied	85.3%
Renter occupied	14.7%
Vacant	8.4%
Single-family detached	81.0%
Large apartment buildings	1.9%
Mobile homes	0.6%
Median rooms	6.3
Avg household size (owned)	2.35

Year built

Era	%
2020 or later	0.0%
2010–2019	9.3%
2000–2009	9.9%
1990–1999	4.3%
1980–1989	3.7%
1970–1979	15.5%
1960–1969	8.0%
1950–1959	21.8%
1940–1949	6.8%
1939 or earlier	20.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	9.4%
2 bedrooms	22.3%
3 bedrooms	48.8%
4 bedrooms	14.3%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	25.4%
2 vehicles	41.3%
3 or more	27.9%

Heating fuel

Fuel type	%
Utility gas	83.4%
Electricity	12.6%
Propane / LP gas	0.4%
Fuel oil	3.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	1,316	57.8%
Cohabiting couple	78	3.4%
Male householder, no spouse	283	12.4%
Female householder, no spouse	598	26.3%
Households with children under 18	578	25.4%
Households with seniors (65+)	752	33.1%
Average household size	2.26

Marital status

Status	Male	Female
Never married	18.9%	24.3%
Married	71.6%	53.1%
Separated	0.7%	1.0%
Widowed	3.6%	6.6%
Divorced	5.2%	15.0%

Education

Less than 9th grade 1.4%

Some HS, no diploma 3.5%

HS graduate 36.0%

Some college, no degree 15.1%

Associate's degree 12.9%

Bachelor's degree 23.5%

Graduate / professional 7.6%

Metric	%
HS diploma or higher	95.1%
Bachelor's or higher	31.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	77	7.8%
Kindergarten	69	7.0%
Elementary school	510	51.9%
High school	195	19.9%
College / grad school	131	13.3%

Employment

Industry of employment

Education & healthcare 26.4%

Manufacturing 20.4%

Finance & real estate 11.2%

Arts, food & hospitality 10.1%

Construction 6.5%

Retail trade 5.7%

Professional & management 5.1%

Transportation & utilities 4.0%

Wholesale trade 3.5%

Information 2.6%

Other services 2.0%

Public administration 1.7%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	47.8%
Service	11.4%
Sales & office	19.9%
Natural resources & construction	7.7%
Production & transportation	13.2%

Employment type

Type	%
Private sector	81.4%
Government	11.3%
Self-employed	7.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.8%
Carpool	6.3%
Public transit	0.2%
Walk	1.4%
Other means	0.6%
Avg commute (minutes)	18.0

Poverty

All people 6.9%

Under 18 years 10.9%

18 and over 6.0%

Married-couple families 1.4%

Female-led households 23.4%

Income support

Source	% of households
Social Security	31.2%
Retirement income	30.6%
Supplemental Security	2.8%
Cash public assistance	4.9%
Food stamps / SNAP	8.4%

Health indicators

Condition	%
High blood pressure	36.4%
High cholesterol	34.2%
Heart disease	7.6%
Stroke	3.4%
Asthma	9.9%
Arthritis	30.8%
Kidney disease	3.1%
Pulmonary disease	8.2%
Cancer	8.0%

Behavior / access	%
Binge drinking	18.4%
No physical activity	22.6%
Less than 7 hrs sleep	33.6%
Fair or poor health	14.4%
Poor mental health	14.9%
Poor physical health	11.0%
No health insurance	9.9%
Visited doctor (checkup)	80.4%
Visited dentist	64.7%
Cholesterol screening	90.8%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	311	7.5%

Disability	%
Any disability	9.9%
Under 18	2.0%
18–64 years	7.2%
65 and over	25.0%

Health insurance coverage

Type	%
Private insurance	81.5%
Public insurance	34.4%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,933	96.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,049	98.3%
Born in same state	5,044	98.2%
Born in different state	4,219	82.1%
Foreign born	5	0.1%
Naturalized citizen	89	1.7%
Not a US citizen	85	95.5%

Ancestry

Ancestry	Count	%
Italian	719	14%
French	659	12.8%
English	113	2.2%
Irish	39	0.8%

Ancestry	Count	%
Norwegian	37	0.7%
Arab	24	0.5%
German	16	0.3%

Technology access

Metric	% of households
Computer access	44.3%
Internet access	94.1%

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

Frequently asked questions

What ZIP codes does Houston, PA have?

Houston, PA has one ZIP code: 15342. Each ZIP code serves a distinct delivery area within the city and surrounding region.