Zip code 15642: Irwin, Pennsylvania

Q: What city is zip code 15642?

15642 is assigned to Irwin, Pennsylvania. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 15642 in?

15642 is mostly in Westmoreland County, but it extends into 1 other county.

Q: What is the population of 15642?

About 46,325 people live in 15642, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 15642?

The median household income in 15642 is $97,706.

Q: What zip codes are near 15642?

The closest zip codes to 15642 are 15647, 15678, 15692, 15691, 15615.

Residential delivery areaWestmoreland CountyEastern Time

Population

46,325

Median household income

$98K

U.S. $81K

Median home value

$244K

U.S. $333K

Median rent

$1,008/mo

U.S. $1,413

Median age

U.S. 38.9

Land area

46 sq mi

1,006 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 15642

15642 is a suburban zip code in Irwin, Pennsylvania (Westmoreland County), covering 46 sq mi of land. About 46,325 people live here, or 1,006 per square mile. The median resident is 45 years old, compared with 38.9 nationally.

The median household earns $97,706 a year, 21% above the national median of $80,734. 5.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $243,800, or 2.5 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 85% of occupied homes are lived in by their owners, and renters pay a median of $1,008 a month.

42% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.4 minutes each way, and 18% of workers work from home. The most common jobs among working residents are in management, sales and healthcare.

How 15642 compares

Sorted from highest to lowest national percentile

Homeownership rate85.2%
89th
StrengthU.S. 65.2% · PA 69.3%556th of 1,698 in PA
Median age45
86th
U.S. 38.9 · PA 40.9757th of 1,707 in PA
Median earnings per worker$61,848
79th
U.S. $49,666 · PA $50,599222nd of 1,693 in PA
Residents 65 and older20.8%
78th
U.S. 17.2% · PA 19.5%886th of 1,707 in PA
Population46,325
76th
U.S. 334,922,499 · PA 13,018,63928th of 1,707 in PA
Tech workers4.6%
75th
U.S. 3.8% · PA 3.6%241st of 1,704 in PA
Per capita income$49,889
72nd
U.S. $44,673 · PA $44,355278th of 1,707 in PA
Work from home17.8%
71st
U.S. 15.1% · PA 15.6%336th of 1,704 in PA
Median household income$97,706
69th
U.S. $80,734 · PA $77,971282nd of 1,617 in PA
Bachelor's degree or higher42.1%
69th
U.S. 35.7% · PA 35.2%258th of 1,706 in PA
Average commute28.4 min
65th
U.S. 26.4 min · PA 26.3 min603rd of 1,596 in PA
Healthcare workers10.2%
61st
U.S. 9.7% · PA 11.5%919th of 1,704 in PA
Veterans6.5%
59th
U.S. 6.2% · PA 6.1%936th of 1,707 in PA
Broadband access92.9%
57th
U.S. 91% · PA 89.7%423rd of 1,698 in PA
Population density1,006/sq mi
44th
U.S. 95/sq mi · PA 291/sq mi472nd of 1,707 in PA
Unemployment rate4.5%
43rd
U.S. 5.2% · PA 5.3%758th of 1,704 in PA
Residents under 1821.1%
41st
U.S. 22% · PA 20.4%670th of 1,707 in PA
Median home value$243,800
32nd
U.S. $332,700 · PA $254,500527th of 1,628 in PA
Housing vacancy4.7%
30th
U.S. 10.1% · PA 9.2%1,223rd of 1,699 in PA
Income inequality (Gini)0.408
27th
U.S. 0.483 · PA 0.474872nd of 1,697 in PA
Government workers10.7%
24th
U.S. 14.5% · PA 11.5%938th of 1,704 in PA
Median gross rent$1,008
22nd
U.S. $1,413 · PA $1,209646th of 1,366 in PA
Poverty rate5.7%
16th
StrengthU.S. 12.5% · PA 11.7%1,258th of 1,699 in PA
Self-employed workers6.5%
14th
U.S. 10% · PA 8.2%1,123rd of 1,704 in PA
Foreign-born residents1.8%
11th
U.S. 14.1% · PA 7.7%787th of 1,707 in PA
Diversity index12.6
6th
U.S. 61.4 · PA 44.6984th of 1,707 in PA
Uninsured rate2%
5th
StrengthU.S. 8.4% · PA 5.6%1,373rd of 1,705 in PA
Rent-burdened renters25.8%
3rd
StrengthU.S. 51.1% · PA 48.2%1,258th of 1,596 in PA

Measure	15642	Westmoreland	PA	U.S.	National percentile	Rank in PA
Homeownership rateStrength	85.2%	78.4%	69.3%	65.2%	89th	556th of 1,698
Median age	45	47.2	40.9	38.9	86th	757th of 1,707
Median earnings per worker	$61,848	$50,593	$50,599	$49,666	79th	222nd of 1,693
Residents 65 and older	20.8%	24.3%	19.5%	17.2%	78th	886th of 1,707
Population	46,325	352,500	13,018,639	334,922,499	76th	28th of 1,707
Tech workers	4.6%	2.8%	3.6%	3.8%	75th	241st of 1,704
Per capita income	$49,889	$43,509	$44,355	$44,673	72nd	278th of 1,707
Work from home	17.8%	13.3%	15.6%	15.1%	71st	336th of 1,704
Median household income	$97,706	$74,109	$77,971	$80,734	69th	282nd of 1,617
Bachelor's degree or higher	42.1%	32.8%	35.2%	35.7%	69th	258th of 1,706
Average commute	28.4 min	26.7 min	26.3 min	26.4 min	65th	603rd of 1,596
Healthcare workers	10.2%	11.8%	11.5%	9.7%	61st	919th of 1,704
Veterans	6.5%	7.3%	6.1%	6.2%	59th	936th of 1,707
Broadband access	92.9%	88.5%	89.7%	91%	57th	423rd of 1,698
Population density	1,006/sq mi	343/sq mi	291/sq mi	95/sq mi	44th	472nd of 1,707
Unemployment rate	4.5%	4.8%	5.3%	5.2%	43rd	758th of 1,704
Residents under 18	21.1%	18.2%	20.4%	22%	41st	670th of 1,707
Median home value	$243,800	$203,500	$254,500	$332,700	32nd	527th of 1,628
Housing vacancy	4.7%	8.2%	9.2%	10.1%	30th	1,223rd of 1,699
Income inequality (Gini)	0.408	0.454	0.474	0.483	27th	872nd of 1,697
Government workers	10.7%	10%	11.5%	14.5%	24th	938th of 1,704
Median gross rent	$1,008	$879	$1,209	$1,413	22nd	646th of 1,366
Poverty rateStrength	5.7%	10.3%	11.7%	12.5%	16th	1,258th of 1,699
Self-employed workers	6.5%	8%	8.2%	10%	14th	1,123rd of 1,704
Foreign-born residents	1.8%	1.9%	7.7%	14.1%	11th	787th of 1,707
Diversity index	12.6	16.3	44.6	61.4	6th	984th of 1,707
Uninsured rateStrength	2%	3%	5.6%	8.4%	5th	1,373rd of 1,705
Rent-burdened rentersStrength	25.8%	39.7%	48.2%	51.1%	3rd	1,258th of 1,596

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

17%

5–17

18–24

10%

25–34

13%

35–44

14%

45–54

16%

55–64

12%

65–74

75+

Median age

Under 18

21.1%

65 and over

20.8%

Race and ethnicity

White93%
Black0.6%
Hispanic2%
Asian0.9%
Native American0.0%
Pacific Islander0.0%
Other0.1%
Multiracial3%

Diversity index

12.6

U.S. 61.4

Foreign-born

1.8%

U.S. 14.1%

Born in state

87.7%

Language spoken at home (households)

English only

97%

Spanish

Other Indo-European

Asian / Pacific

0.6%

Other

0.1%

Households

Households: 19,251
Average household size: 2.4
Family households: 69.3%
Married couples: 57.7%
Living alone: 26.7%
Veterans (of adults): 6.5%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

$25–50k

15%

$50–75k

14%

$75–100k

13%

$100–150k

20%

$150–200k

14%

$200k+

15%

Median household income

15642

$97,706

Westmoreland Co.

$74,109

Pennsylvania

$77,971

United States

$80,734

Per capita income

$49,889

U.S. $44,673

Poverty rate

5.7%

U.S. 12.5%

Households earning $150K+

28.8%

U.S. 23%

Income inequality (Gini)

0.408

U.S. 0.483

Housing

Median home value

15642

$243,800

Westmoreland Co.

$203,500

Pennsylvania

$254,500

United States

$332,700

Median gross rent

15642

$1,008

Westmoreland Co.

$879

Pennsylvania

$1,209

United States

$1,413

Types of housing

Single-family

90%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 20,192
Owner-occupied: 85.2%
Vacant: 4.7%
Median year built: 1968
Median rooms: 6.8
Renters paying 30%+ of income: 25.8%
Renters paying 50%+ of income: 13.4%
Home value to income: 2.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

Transit

0.9%

Walked

0.3%

Bicycle

Worked from home

18%

Other

Commute time (one way)

<10 min

10%

10–19

22%

20–29

23%

30–44

25%

45–59

10%

60+

10%

Average commute

28.4 min

U.S. 26.4 min

Unemployment

4.5%

U.S. 5.2%

In labor force

68.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

13%

Sales

11%

Healthcare

10%

Office and admin

Education

Construction and repair

Transportation and moving

Production

Business and finance

Computer and math

Food service

Engineering and science

Cleaning and personal care

Legal and social services

Arts, media and sports

Police and fire

Farming, fishing and forestry

0.0%

Industries

Health care and social assistance

16%

Retail

14%

Manufacturing

13%

Education

10%

Professional and technical services

Finance, insurance and real estate

Transportation, warehousing and utilities

Construction

Restaurants and hotels

Other services

Admin, support and management

Public administration

Wholesale

Information

Arts and recreation

Agriculture and mining

0.3%

Median earnings per worker

$61,848

U.S. $49,666

Self-employed

6.5%

U.S. 10%

Government workers

10.7%

U.S. 14.5%

Nonprofit workers

13.2%

U.S. 8.8%

Median earnings by type of work

Type of work	15642	U.S.
Management, business, science and arts	$79,803	$74,888
Service	$25,778	$26,804
Sales and office	$48,351	$40,476
Construction and maintenance	$54,844	$49,199
Production and transportation	$50,638	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

29%

Some college

14%

Associate's

12%

Bachelor's

27%

Graduate

15%

High school graduate or higher: 97.4%
Bachelor's degree or higher: 42.1%
Graduate or professional degree: 14.8%
Households with broadband: 92.9%
Cable, fiber or DSL: 82.3%
No internet access: 5.5%
Without health insurance: 2%
Limited-English households: 0.3%

Geography

City (USPS): Irwin
State: Pennsylvania
County: Westmoreland County
Center point: 40.3193° N, 79.7237° W
Land area: 46 sq mi
Water area: 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

15642 spans 2 counties

Westmoreland County98% of land
Allegheny County2% of land

Cities and towns within this zip

White Oak2% of zip
Irwin2% of zip
Manor2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 15642

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
15647	Larimer, PA	1.6 mi	49	—	—
15678	Rillton, PA	2.4 mi	472	$66,389	$160,300
15692	Westmoreland City, PA	2.5 mi	992	$71,574	$142,500
15691	Wendel, PA	2.6 mi	302	$168,289	$227,500
15615	Ardara, PA	2.9 mi	148	$88,750	$139,400
15665	Manor, PA	3.5 mi	1,339	$82,375	$189,700
15047	Greenock, PA	3.8 mi	203	$45,792	$117,100
15611	Adamsburg, PA	3.8 mi	241	$64,125	$128,800
15131	McKeesport, PA	4 mi	8,209	$61,744	$162,700
15625	Darragh, PA	4.1 mi	58	—	—
15637	Herminie, PA	4.1 mi	1,821	$70,461	$220,600
15028	Coulters, PA	4.3 mi	128	$48,750	$96,000

Zip codes like 15642 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 15642

What city is zip code 15642?

15642 is assigned to Irwin, Pennsylvania. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 15642 in?

15642 is mostly in Westmoreland County, but it extends into 1 other county.

What is the population of 15642?

About 46,325 people live in 15642, according to the Census Bureau's American Community Survey.

What time zone is 15642 in?

15642 is in Eastern Time.

What is the median household income in 15642?

The median household income in 15642 is $97,706.

What zip codes are near 15642?

The closest zip codes to 15642 are 15647, 15678, 15692, 15691, 15615.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 15642, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.