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Pennsylvania ZIP Codes
Washington County
Amity, PA
15311
15311 ZIP Code — Amity, PA
Washington County, Pennsylvania
ZIP code 15311 is located in
Amity ,
Pennsylvania ,
within Washington County .
It covers approximately 23.57 square miles and serves a population of
1,033 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 724 .
About ZIP code 15311
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 $233,900. Owner-occupancy is high at 94%, well above the national average.
The gap between median ($72,326) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 45% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 15311 reflects a community defined by high homeownership and a significant Social Security-dependent population.
15311 ZIP code map
View map of 15311
Cities in ZIP code 15311
Below are the cities the US Postal Service accepts for ZIP code 15311. Using any city not on this list may result in mail delivery delays.
City
Status
Amity
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,033
Population density
44 / sq mi
State FIPS
42
County FIPS
125
Geography
Land area
23.57 sq mi
Water area
0.00 sq mi
Latitude
40.0513
Longitude
-80.1883
Timezone
Eastern (ET)
Area code
724
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.2%
37.5%
39.8%
$50k – $100k
36.5%
31.1%
30.8%
$100k – $200k
32.1%
24.1%
22.4%
Over $200k
3.1%
7.3%
7.1%
Demographics & statistics
$72,326
Median household income
$233,900
Median home value
20.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 104 10.1%
18 and over 929 89.9%
65 and over 297 28.8%
Median age 56.7 years
Race & ethnicity
Black or African American
0.2%
Group Count %
White 1,030 99.7%
Black or African American 2 0.2%
Two or more races 1 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.2%
37.5%
39.8%
$50k – $100k
36.5%
31.1%
30.8%
$100k – $200k
32.1%
24.1%
22.4%
Over $200k
3.1%
7.3%
7.1%
Range % of households
Under $10k 0.8%
$10k–$15k 6.0%
$15k–$25k 6.7%
$25k–$35k 9.1%
$35k–$50k 11.4%
$50k–$75k 18.3%
$75k–$100k 8.3%
$100k–$150k 21.4%
$150k–$200k 6.2%
$200k+ 11.6%
Median income $72,326
Housing
Housing overview
Metric Value
Median home value $233,900
Median rent / month $0
Owner occupied 94.2%
Renter occupied 5.8%
Vacant 12.2%
Single-family detached 84.7%
Large apartment buildings 0.0%
Mobile homes 14.8%
Median rooms 6.4
Avg household size (owned) 2.17
Year built
Era %
2020 or later 0.0%
2010–2019 0.5%
2000–2009 2.7%
1990–1999 12.8%
1980–1989 19.5%
1970–1979 21.2%
1960–1969 10.0%
1950–1959 5.1%
1940–1949 4.6%
1939 or earlier 23.5%
Bedrooms
Size % of units
No bedroom (studio) 0.5%
1 bedroom 5.8%
2 bedrooms 9.5%
3 bedrooms 74.3%
4 bedrooms 9.3%
5+ bedrooms 0.5%
Vehicles per household
Vehicles % of households
No vehicle 2.5%
1 vehicle 21.4%
2 vehicles 46.4%
3 or more 29.7%
Heating fuel
Fuel type %
Utility gas 35.8%
Electricity 24.7%
Propane / LP gas 4.4%
Fuel oil 24.5%
Wood 7.7%
Households & families
Household type Count %
Married-couple family 321 66.7%
Cohabiting couple 15 3.1%
Male householder, no spouse 73 15.2%
Female householder, no spouse 72 15.0%
Households with children under 18 62 12.9%
Households with seniors (65+) 231 48.0%
Average household size 2.14
Marital status
Status Male Female
Never married 19.2% 11.9%
Married 66.9% 72.8%
Separated 0.0% 0.0%
Widowed 1.4% 12.4%
Divorced 12.5% 3.0%
Education
Some college, no degree
13.6%
Graduate / professional
7.0%
Metric %
HS diploma or higher 91.2%
Bachelor's or higher 20.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 9 6.4%
Kindergarten 0 0.0%
Elementary school 47 33.6%
High school 40 28.6%
College / grad school 44 31.4%
Employment
Industry of employment
Education & healthcare
30.4%
Public administration
9.1%
Professional & management
5.8%
Arts, food & hospitality
5.2%
Finance & real estate
3.7%
Transportation & utilities
0.7%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 35.0%
Service 15.5%
Sales & office 25.7%
Natural resources & construction 13.8%
Production & transportation 10.1%
Employment type
Type %
Private sector 68.7%
Government 25.0%
Self-employed 6.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 81.5%
Carpool 10.7%
Public transit 0.0%
Walk 0.0%
Work from home 7.2%
Other means 0.6%
Avg commute (minutes) 27.4
Poverty
Married-couple families
0.6%
Female-led households
13.3%
Income support
Source % of households
Social Security 44.5%
Retirement income 26.8%
Supplemental Security 5.8%
Cash public assistance 2.3%
Food stamps / SNAP 8.1%
Health indicators
Condition %
Obesity 33.5%
High blood pressure 33.8%
High cholesterol 33.4%
Diabetes 9.9%
Heart disease 6.7%
Stroke 2.9%
Asthma 9.8%
Arthritis 28.3%
Kidney disease 2.7%
Pulmonary disease 7.5%
Cancer 6.9%
Behavior / access %
Smoking 19.8%
Binge drinking 20.1%
No physical activity 21.2%
Less than 7 hrs sleep 33.9%
Depression 21.3%
Fair or poor health 13.2%
Poor mental health 15.2%
Poor physical health 10.5%
No health insurance 9.4%
Visited doctor (checkup) 79.1%
Visited dentist 65.7%
Cholesterol screening 90.2%
Teeth loss 13.8%
Veterans & disability
Veterans Count %
Civilian veterans 76 8.2%
Disability %
Any disability 16.3%
Under 18 0.0%
18–64 years 9.3%
65 and over 36.7%
Health insurance coverage
Type %
Private insurance 78.8%
Public insurance 37.8%
No insurance 2.2%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 995 96.3%
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) 1,033 100.0%
Born in same state 1,033 100.0%
Born in different state 934 90.4%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 128 12.4%
Arab 113 10.9%
Italian 101 9.8%
Ancestry Count %
English 5 0.5%
Dutch 3 0.3%
Technology access
Metric % of households
Computer access 46.6%
Internet access 85.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 15311
What city is ZIP code 15311 in?
ZIP code 15311 is primarily assigned to Amity, Pennsylvania.
What county is ZIP code 15311 in?
ZIP code 15311 falls within Washington County, Pennsylvania.
Is ZIP code 15311 mostly owner-occupied?
94% of occupied units in ZIP code 15311 are owner-occupied, well above the national average.
Does ZIP code 15311 have an older population?
29% of residents in ZIP code 15311 are 65 or older, above the national average of ~17%.
Does ZIP code 15311 have a large retiree population?
45% of households in ZIP code 15311 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 15311?
ZIP code 15311 has an estimated population of 1,033 residents, with a density of 44 people per square mile.
What timezone is ZIP code 15311 in?
ZIP code 15311 observes the EST timezone.
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