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Pennsylvania ZIP Codes
Westmoreland County
New Alexandria, PA
15670
15670 ZIP Code — New Alexandria, PA
Westmoreland County, Pennsylvania
ZIP code 15670 is located in
New Alexandria ,
Pennsylvania ,
within Westmoreland County .
It covers approximately 40.81 square miles and serves a population of
3,028 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 724 .
About ZIP code 15670
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $163,200. Owner-occupancy is high at 88%, well above the national average.
Median household income is $76,667. The poverty rate of 6% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 24 minutes is near the national average.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks.
Overall, ZIP code 15670 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
15670 ZIP code map
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Cities in ZIP code 15670
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,028
Population density
74 / sq mi
State FIPS
42
County FIPS
129
Geography
Land area
40.81 sq mi
Water area
0.08 sq mi
Latitude
40.4139
Longitude
-79.4196
Timezone
Eastern (ET)
Area code
724
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.8%
41.3%
39.8%
$50k – $100k
33.2%
32.3%
30.8%
$100k – $200k
24.9%
21.2%
22.4%
Over $200k
3.1%
5.1%
7.1%
Demographics & statistics
$76,667
Median household income
$163,200
Median home value
17.4%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 361 11.9% 18 and over 2,667 88.1% 65 and over 780 25.8% Median age 53.2 years
Race & ethnicity
Group Count % White 3,019 99.7% Asian 6 0.2% Two or more races 2 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.8%
41.3%
39.8%
$50k – $100k
33.2%
32.3%
30.8%
$100k – $200k
24.9%
21.2%
22.4%
Over $200k
3.1%
5.1%
7.1%
Range % of households $10k–$15k 3.3% $15k–$25k 10.1% $25k–$35k 4.5% $35k–$50k 10.1% $50k–$75k 21.4% $75k–$100k 11.5% $100k–$150k 28.6% $150k–$200k 4.5% $200k+ 6.1% Median income $76,667
Housing
Housing overview
Metric Value Median home value $163,200 Median rent / month $928 Owner occupied 87.7% Renter occupied 12.3% Vacant 9.4% Single-family detached 84.2% Large apartment buildings 0.2% Mobile homes 7.2% Median rooms 6.5 Avg household size (owned) 2.42
Year built
Era % 2020 or later 0.7% 2010–2019 1.5% 2000–2009 8.0% 1990–1999 11.4% 1980–1989 7.3% 1970–1979 16.6% 1960–1969 18.1% 1950–1959 10.6% 1940–1949 10.4% 1939 or earlier 15.3%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 6.4% 2 bedrooms 24.9% 3 bedrooms 55.2% 4 bedrooms 13.5% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 0.5% 1 vehicle 20.1% 2 vehicles 38.6% 3 or more 40.8%
Heating fuel
Fuel type % Utility gas 29.5% Electricity 22.5% Propane / LP gas 6.4% Fuel oil 34.0% Wood 7.0%
Households & families
Household type Count % Married-couple family 716 58.3% Cohabiting couple 176 14.3% Male householder, no spouse 210 17.1% Female householder, no spouse 126 10.3% Households with children under 18 228 18.6% Households with seniors (65+) 477 38.8% Average household size 2.44
Marital status
Status Male Female Never married 29.7% 22.7% Married 54.1% 57.5% Separated 1.9% 1.5% Widowed 4.5% 12.9% Divorced 9.9% 5.5%
Education
Some college, no degree
15.2%
Graduate / professional
6.6%
Metric % HS diploma or higher 93.6% Bachelor's or higher 17.4%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 6 1.3% Kindergarten 0 0.0% Elementary school 164 35.5% High school 111 24.0% College / grad school 181 39.2%
Employment
Industry of employment
Education & healthcare
13.5%
Professional & management
9.9%
Finance & real estate
6.0%
Transportation & utilities
4.2%
Agriculture & mining
3.4%
Arts, food & hospitality
3.3%
Public administration
1.1%
Occupation
Category % Management, business & arts 29.4% Service 11.5% Sales & office 18.7% Natural resources & construction 11.3% Production & transportation 29.1%
Employment type
Type % Private sector 89.6% Government 5.1% Self-employed 5.3% Unpaid family workers 0.0%
Commute
Method % Drive alone 85.6% Carpool 5.2% Public transit 0.0% Walk 0.7% Work from home 8.4% Other means 0.0% Avg commute (minutes) 24.4
Poverty
Married-couple families
3.2%
Female-led households
0.0%
Income support
Source % of households Social Security 46.7% Retirement income 27.8% Supplemental Security 3.5% Cash public assistance 2.2% Food stamps / SNAP 7.3%
Health indicators
Condition % Obesity 36.5% High blood pressure 34.3% High cholesterol 35.5% Diabetes 10.8% Heart disease 7.3% Stroke 3.2% Asthma 10.0% Arthritis 31.9% Kidney disease 3.0% Pulmonary disease 8.0% Cancer 7.4%
Behavior / access % Smoking 20.1% Binge drinking 19.5% No physical activity 24.4% Less than 7 hrs sleep 33.4% Depression 22.4% Fair or poor health 14.4% Poor mental health 15.2% Poor physical health 11.1% No health insurance 9.8% Visited doctor (checkup) 78.4% Visited dentist 62.4% Cholesterol screening 90.3% Teeth loss 14.5%
Veterans & disability
Veterans Count % Civilian veterans 184 6.9%
Disability % Any disability 12.7% Under 18 4.7% 18–64 years 11.4% 65 and over 19.7%
Health insurance coverage
Type % Private insurance 76.9% Public insurance 42.8% No insurance 5.1% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 2,939 97.1% Spanish 28 1.0% Other Indo-European 0 0.0% Asian & Pacific Islander 28 1.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 3,002 99.1% Born in same state 3,002 99.1% Born in different state 2,610 86.2% Foreign born 0 0.0% Naturalized citizen 26 0.9% Not a US citizen 26 100.0%
Ancestry
Ancestry Count % Italian 569 18.8% French 306 10.1% Irish 103 3.4%
Ancestry Count % Arab 53 1.8% English 9 0.3%
Technology access
Metric % of households Computer access 40.6% Internet access 94.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 15670
What city is ZIP code 15670 in?
ZIP code 15670 is primarily assigned to New Alexandria, Pennsylvania.
What county is ZIP code 15670 in?
ZIP code 15670 falls within Westmoreland County, Pennsylvania.
Does ZIP code 15670 have an older population?
26% of residents in ZIP code 15670 are 65 or older, above the national average of ~17%.
Is ZIP code 15670 mostly owner-occupied?
88% of occupied units in ZIP code 15670 are owner-occupied, well above the national average.
Does ZIP code 15670 have a large retiree population?
47% of households in ZIP code 15670 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 15670?
The median home value in ZIP code 15670 is $163,200.
What timezone is ZIP code 15670 in?
ZIP code 15670 observes the EST timezone.
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