ZIP Code 15666, Pennsylvania
ZIP Code 15666 profile, demographic data, and geographic information.
ZCTA5 15666 is a 5-digit ZIP Code area located in Fayette County / Westmoreland County, Pennsylvania. As of official census estimates, it has a reported population of 15,980. The land area covers 53.46 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 15,980 | ±804 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 50.2 yrs | ±3.4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 7,308 | ±327 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 7,859 | ±372 |
| Occupied Housing Units | 7,308 | ±327 |
| Vacant Housing Units | 551 | ±196 |
| Median Home Value | $163,100 | ±$9,701 |
| Median Gross Rent | $799 | ±$46 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $68,102 | ±$6,040 |
| Per Capita Income | $37,504 | ±$2,454 |
| Poverty Rate | 10.4% | ±2.1% |
| Population Below Poverty Level | 1,651 | ±338 |
| Unemployment Rate | 3.3% | ±2% |
| Civilian Labor Force, Employed | 7,916 | ±565 |
| Broadband Internet Rate | 82.7% | ±3.1% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 123,941 (2024)
ID: 173723
|
County | Official County Government |
Contact: CHAIRMAN
61 E MAIN ST, UNIONTOWN PA 15401-3514
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-05 | Greensburg, PA | |
| Regular School Nearby | KG-06 | Latrobe, PA | |
| Regular School Nearby | KG-05 | Connellsville, PA | |
| Career and Technical School Nearby | 09-12 | New Stanton, PA | |
| Career and Technical School Nearby | 09-12 | Connellsville, PA | |
| Regular School Nearby | 06-08 | Connellsville, PA | |
| Regular School Nearby | 09-12 | Connellsville, PA | |
| Regular School Nearby | 06-08 | Derry, PA | |
| Regular School Nearby | 09-12 | Derry, PA | |
| Regular School Nearby | KG-03 | Jones Mills, PA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Westmoreland County Community College
|
College | 5.8 mi away | 145 Pavilion Lane, Youngwood, PA, 15697-1895 |
7249254077
|
|
MOUNT PLEASANT FREE PUBLIC LIBRARY ASSOCIATION INC
|
Library | 2.1 mi away | 120 S CHURCH ST, MOUNT PLEASANT, PA, 15666 |
(724) 547-3850
|
|
University of Pittsburgh-Greensburg
|
College | 8.1 mi away | 150 Finoli Drive, Greensburg, PA, 15601-5860 |
7248377040
|
|
SCOTTDALE PUBLIC LIBRARY
|
Library | 5.8 mi away | 106 SPRING STREET, SCOTTDALE, PA, 15683 |
(724) 887-6140
|
|
Triangle Tech Inc-Greensburg
|
College | 9.9 mi away | 222 E Pittsburgh St Ste A, Greensburg, PA, 15601-3304 |
7248321050
|
|
YOUNGWOOD AREA PUBLIC LIBRARY
|
Library | 6.6 mi away | 17 SOUTH SIXTH STREET, YOUNGWOOD, PA, 15697 |
(724) 925-9350
|
|
Seton Hill University
|
College | 10.6 mi away | 1 Seton Hill Drive, Greensburg, PA, 15601 |
7248342200
|
|
GREENSBURG HEMPFIELD AREA LIBRARY
|
Library | 9.8 mi away | 237 SOUTH PENNSYLVANIA AVENUE, GREENSBURG, PA, 15601 |
(724) 837-5620
|
|
Saint Vincent College
|
College | 10.7 mi away | 300 Fraser Purchase Rd, Latrobe, PA, 15650-2690 |
7245399761
|
|
CARNEGIE FREE LIBRARY OF CONNELLSVILLE
|
Library | 10.9 mi away | 299 S PITTSBURGH ST, CONNELLSVILLE, PA, 15425 |
(724) 628-1380
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MT PLEASANT, PA US, located 3.8 miles from ZCTA5 15666. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 37.4° | 20.7° | 29.0° | 3.31" | 9.0" |
| February | 40.6° | 21.0° | 30.8° | 2.24" | 7.5" |
| March | 50.0° | 27.7° | 38.9° | 3.37" | 5.6" |
| April | 62.2° | 36.3° | 49.3° | 3.64" | 0.3" |
| May | 71.3° | 47.0° | 59.2° | 4.27" | 0.0" |
| June | 78.5° | 56.1° | 67.3° | 4.86" | 0.0" |
| July | 82.1° | 60.1° | 71.1° | 4.40" | 0.0" |
| August | 81.2° | 58.6° | 69.9° | 3.96" | 0.0" |
| September | 75.2° | 50.9° | 63.1° | 3.49" | 0.0" |
| October | 63.7° | 40.0° | 51.8° | 3.18" | 0.1" |
| November | 51.8° | 31.2° | 41.5° | 3.44" | 0.9" |
| December | 42.0° | 25.4° | 33.7° | 3.78" | 6.4" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Mount Pleasant borough | Borough | 1.9 mi | — |
| Norvelt CDP | CDP | 3.1 mi | — |
| Bear Rocks CDP | CDP | 3.4 mi | — |
| Mammoth CDP | CDP | 3.6 mi | — |
| Calumet CDP | CDP | 4.1 mi | — |
| Scottdale borough | Borough | 5.8 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 15666. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.