15637 ZIP Code — Herminie, PA

Westmoreland County, Pennsylvania

ZIP code 15637 is located in Herminie, Pennsylvania, within Westmoreland County. It covers approximately 4.84 square miles and serves a population of 1,678 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 724.

About ZIP code 15637

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $223,000. Owner-occupancy is high at 88%, well above the national average.

Median household income is $65,197. The poverty rate of 5% is below the national average. 52% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 31 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 15637 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,678

population

4.84

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

15637 ZIP code map

Cities in ZIP code 15637

Below are the cities the US Postal Service accepts for ZIP code 15637. Using any city not on this list may result in mail delivery delays.

City	Status
Herminie	Preferred

Nearby ZIP codes

15678 Rillton (1.5 mi) 15089 West Newton (3.7 mi) 15698 Yukon (3.7 mi) 15642 Irwin (3.8 mi) 15611 Adamsburg (3.9 mi) 15018 Buena Vista (4 mi) 15083 Sutersville (4.3 mi) 15672 New Stanton (4.6 mi) 15692 Westmoreland City (5.1 mi) 15647 Larimer (5.4 mi) 15135 Mckeesport (5.5 mi) 15665 Manor (5.9 mi)

Demographics updated 06/2026

Population
Total population	1,678
Population density	347 / sq mi
State FIPS	42
County FIPS	129

Geography
Land area	4.84 sq mi
Water area	0.00 sq mi
Latitude	40.2624
Longitude	-79.7159
Timezone	Eastern (ET)
Area code	724

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.1%	41.3%	39.8%
$50k – $100k	45.7%	32.3%	30.8%
$100k – $200k	18.2%	21.2%	22.4%
Over $200k	0.0%	5.1%	7.1%

Demographics & statistics

1,678

Population

347

People per sq mi

45.1

Median age

$65,197

Median household income

$29,274

Per capita income

$223,000

Median home value

$1,011

Median monthly rent

87.6%

Home ownership

4.8%

Poverty rate

0.0%

Unemployment

814

Housing units

29.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

126

25–34

130

104

35–44

108

45–54

55–59

60–64

138

65–74

142

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	319	19.0%
18 and over	1,359	81.0%
65 and over	446	26.6%
Median age	45.1 years

Race & ethnicity

White 86.8%

Two or more races 8.2%

Hispanic or Latino 3.6%

Black or African American 1.4%

Group	Count	%
White	1,511	86.8%
Two or more races	142	8.2%
Hispanic or Latino	62	3.6%
Black or African American	25	1.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.1%	41.3%	39.8%
$50k – $100k	45.7%	32.3%	30.8%
$100k – $200k	18.2%	21.2%	22.4%
Over $200k	0.0%	5.1%	7.1%

Under $10k 2.4%

$10k–$15k 0.9%

$15k–$25k 13.6%

$25k–$35k 8.7%

$35k–$50k 18.1%

$50k–$75k 15.4%

$75k–$100k 10.9%

$100k–$150k 27.1%

$150k–$200k 0.9%

$200k+ 2.1%

Range	% of households
Under $10k	2.4%
$10k–$15k	0.9%
$15k–$25k	13.6%
$25k–$35k	8.7%
$35k–$50k	18.1%
$50k–$75k	15.4%
$75k–$100k	10.9%
$100k–$150k	27.1%
$150k–$200k	0.9%
$200k+	2.1%
Median income	$65,197

Housing

Home values

Under $50k 3.9%

$50k–$100k 13.5%

$100k–$150k 14.7%

$150k–$200k 14.0%

$200k–$300k 25.9%

$300k–$500k 26.6%

$500k–$1M 1.4%

Housing overview

Metric	Value
Median home value	$223,000
Median rent / month	$1,011
Owner occupied	87.6%
Renter occupied	12.4%
Vacant	25.4%
Single-family detached	81.6%
Large apartment buildings	0.0%
Mobile homes	1.6%
Median rooms	6.2
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.8%
2010–2019	1.8%
2000–2009	3.0%
1990–1999	4.5%
1980–1989	7.8%
1970–1979	12.2%
1960–1969	7.7%
1950–1959	12.8%
1940–1949	12.0%
1939 or earlier	37.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.4%
2 bedrooms	28.5%
3 bedrooms	50.7%
4 bedrooms	15.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.2%
1 vehicle	21.5%
2 vehicles	39.5%
3 or more	36.8%

Heating fuel

Fuel type	%
Utility gas	48.7%
Electricity	13.8%
Fuel oil	31.8%
Wood	5.7%

Households & families

Household type	Count	%
Married-couple family	462	69.1%
Cohabiting couple	71	10.6%
Male householder, no spouse	62	9.3%
Female householder, no spouse	74	11.1%
Households with children under 18	183	27.4%
Households with seniors (65+)	299	44.7%
Average household size	2.51

Marital status

Status	Male	Female
Never married	25.9%	15.1%
Married	66.3%	68.2%
Separated	1.5%	0.0%
Widowed	1.1%	7.5%
Divorced	5.3%	9.2%

Education

Less than 9th grade 2.4%

Some HS, no diploma 2.5%

HS graduate 43.0%

Some college, no degree 13.3%

Associate's degree 9.3%

Bachelor's degree 23.4%

Graduate / professional 6.2%

Metric	%
HS diploma or higher	95.1%
Bachelor's or higher	29.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	17	6.9%
Kindergarten	7	2.8%
Elementary school	134	54.5%
High school	81	32.9%
College / grad school	7	2.8%

Employment

Industry of employment

Retail trade 23.0%

Education & healthcare 18.0%

Manufacturing 17.3%

Construction 9.6%

Transportation & utilities 8.6%

Professional & management 5.8%

Arts, food & hospitality 5.8%

Finance & real estate 4.5%

Wholesale trade 3.3%

Other services 3.2%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	28.8%
Service	12.6%
Sales & office	23.9%
Natural resources & construction	8.1%
Production & transportation	26.5%

Employment type

Type	%
Private sector	71.1%
Government	12.1%
Self-employed	16.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.4%
Carpool	6.6%
Public transit	0.8%
Walk	0.8%
Work from home	9.3%
Other means	0.0%
Avg commute (minutes)	31.3

Poverty

All people 4.8%

Under 18 years 11.6%

18 and over 3.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	51.9%
Retirement income	46.6%
Supplemental Security	7.2%
Cash public assistance	2.7%
Food stamps / SNAP	15.1%

Health indicators

Condition	%
Obesity	34.7%
High blood pressure	33.2%
High cholesterol	35.1%
Diabetes	10.2%
Heart disease	7.1%
Stroke	3.0%
Asthma	9.7%
Arthritis	31.1%
Kidney disease	2.9%
Pulmonary disease	7.3%
Cancer	7.7%

Behavior / access	%
Smoking	18.2%
Binge drinking	19.5%
No physical activity	23.1%
Less than 7 hrs sleep	32.5%
Depression	22.1%
Fair or poor health	13.1%
Poor mental health	14.8%
Poor physical health	10.2%
No health insurance	9.6%
Visited doctor (checkup)	78.4%
Visited dentist	64.7%
Cholesterol screening	90.4%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	134	9.9%

Disability	%
Any disability	14.4%
Under 18	9.7%
18–64 years	13.9%
65 and over	18.6%

Health insurance coverage

Type	%
Private insurance	67.0%
Public insurance	54.8%
No insurance	1.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,600	95.4%
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)	1,678	100.0%
Born in same state	1,636	97.5%
Born in different state	1,548	92.3%
Foreign born	42	2.5%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	264	15.7%
Arab	211	12.6%

Ancestry	Count	%
French	143	8.5%
Irish	26	1.5%

Technology access

Metric	% of households
Computer access	39.9%
Internet access	92.4%

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

Frequently asked questions about ZIP code 15637

What city is ZIP code 15637 in?

ZIP code 15637 is primarily assigned to Herminie, Pennsylvania.

What county is ZIP code 15637 in?

ZIP code 15637 falls within Westmoreland County, Pennsylvania.

Does ZIP code 15637 have an older population?

27% of residents in ZIP code 15637 are 65 or older, above the national average of ~17%.

Does ZIP code 15637 have a large retiree population?

52% of households in ZIP code 15637 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 15637 mostly owner-occupied?

88% of occupied units in ZIP code 15637 are owner-occupied, well above the national average.

Does ZIP code 15637 have a large veteran population?

10% of civilians in ZIP code 15637 are veterans, above the national average of ~7%.

What timezone is ZIP code 15637 in?

ZIP code 15637 observes the EST timezone.