ZIP Code 15661 - Loyalhanna Pennsylvania

ZIP Code 15661 is located in Loyalhanna Pennsylvania. Portions of 15661 are also in Derry Township (Westmoreland County). 15661 is entirely within Westmoreland County. Regionally, 15661 is located in Metro Pittsburgh.

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ZIP Code 15661 Quick Stats

ZIP Code NameLoyalhanna
Primary CountyWestmoreland County
ZIP Code TypeStandard
Population (2022)1,006
Area Code(s)724 / 878
Current Time

ZIP Code 15661 Map

15661 Demographics

15661 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Pennsylvania based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 15661 is White. The current unemployment level in 15661 is 2.9%.

Population Growth Rate32.30%
Population Density3,888 People per Square Mile
Total Households168
Median Household Income (2021)$68,525
Average Adjusted Gross Income (2021)$105,600
Current Unemployment Rate (July 2024)2.9%
Majority Race/EthnictyWhite - 96.86%

15661 Race/Ethnicty Breakdown

Native American00%
Hawaiian/Pac. Islander00%

15661 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College93.19%
Bachelor Degree248.51%
High School Diploma19468.79%
No High School Diploma93.19%
GED or Alternate196.74%
1 or More Years of College72.48%
Associates Degree82.84%
Masters Degree124.26%
Professional Degree00%
Doctorate Degree00%

15661 Geography

Adjacent ZIP Codes
Cities/Towns in 15661
RegionMetro Pittsburgh
Metropolitan/Micropolitan Stat AreaPittsburgh, PA
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area0.25872982 Square Miles

15661 Politics

US Congressional Districts in 15661
Pennsylvania State Senate Districts in 15661
Pennsylvania State House of Representatives Districts in 15661

15661 Schools

School Districts in 15661

15661 Weather and Climate Data

Plant Hardiness ZoneZone 6a: -10F to -5F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion70b - Monongahela Transition Zone

15661 Annual Climate Data

Avg Min Temp (°F)19202837475661595341332440
Avg Max Temp (°F)35394860707882807463514060
Avg Precip (In.)3.072.723.513.564.274.324.484.033.922.863.543.1143.38

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