ZIP Code 15661 - Loyalhanna Pennsylvania
Overview
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.
ZIP Code 15661 Quick Stats
| ZIP Code Name | Loyalhanna |
| Primary County | Westmoreland County |
| ZIP Code Type | Standard |
| Population (2022) | 1,006 |
| Area Code(s) | 724 / 878 |
| Current Time | EDT |
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 4.1%.
| Population | 1,006 |
| Population Growth Rate | 32.3% |
| Population Density | 3,888 People per Square Mile |
| Total Households | 168 |
| Median Household Income (2021) | $68,525 |
| Average Adjusted Gross Income (2021) | $105,600 |
| Current Unemployment Rate (May 2026) | 4.1% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 96.86% |
15661 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 803 | 96.86% |
| Black | 0 | 0% |
| Hispanic | 26 | 3.14% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
15661 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 9 | 3.19% |
| Bachelor Degree | 24 | 8.51% |
| High School Diploma | 194 | 68.79% |
| No High School Diploma | 9 | 3.19% |
| GED or Alternate | 19 | 6.74% |
| 1 or More Years of College | 7 | 2.48% |
| Associates Degree | 8 | 2.84% |
| Masters Degree | 12 | 4.26% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
15661 Geography
| Coordinates | 40.32168198, -79.35877991 |
| Adjacent ZIP Codes | |
| Cities/Towns in 15661 | |
| Region | Metro Pittsburgh |
| Metropolitan/Micropolitan Stat Area | Pittsburgh, PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.25872982 Square Miles |
15661 Schools
| School Districts in 15661 | |
| Elementary Schools in 15661 | |
| Middle Schools in 15661 |
15661 Weather and Climate Data
| Plant Hardiness Zone | Zone 6a: -10F to -5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 70b - Monongahela Transition Zone | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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