📍 View location on OpenStreetMap (40.158580, -79.513980)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 15666 |
| Primary City | Mount Pleasant |
| State / Province | PA |
| County | Westmoreland |
| Total Population | 15,980 |
| Population Density | 115.7 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 15666 | Westmoreland County records | PA records |
|---|---|---|---|
| Population estimate | 15,980 | 362,427 (sum) | 13,018,637 (sum) |
| Population Density | 115.7 /sq mi | -- | -- |
| County population rank | #6 of 77 | -- | -- |
| State population rank | #267 of 1,811 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 15674 | Norvelt | 3.5 mi | 158 |
| ZIP 15688 | Tarrs | 3.9 mi | 612 |
| ZIP 15612 | Alverton | 4.7 mi | 443 |
| ZIP 15689 | United | 4.8 mi | 92 |
| ZIP 15610 | Acme | 5.4 mi | 3,988 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →