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Mammoth, PA
Census-designated place in Westmoreland County, Pennsylvania.
Population
373
Land area
2sq mi
People per sq mi
184
ZIP codes
0
Mammoth and its ZIP codes
Mammoth at a glance
- Mammoth is 37% less dense than Pennsylvania as a whole.
Local data for Mammoth, PA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Westmoreland County. PPP loans are for Mammoth.
Unemployment rate
2.9%
Sep 2026, -1.1 pts in a year
Average annual pay
$58,651
128,972 jobs, 2025
Income per person
$66,110
BEA, 2024
Federal spending
$2.7B
FY 2026, $7,690 per person
Environment and hazard risk
Mammoth, PA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: lightning
Storm events since 1996
1,705
Countywide, mostly thunderstorm wind
Flood insurance policies
752
0.5% of homes, county
July high / Jan low
82° / 21°F
43.9 inches of rain a year
Cities near Mammoth
| Name | Distance | Land area (sq mi) |
|---|---|---|
| NorveltCensus-designated place | 1.9 mi | 1.8 |
| CalumetCensus-designated place | 1.9 mi | 2.2 |
| Bear RocksCensus-designated place | 5 mi | 3.2 |
| Mount PleasantBorough | 5.5 mi | 1 |
| HostetterCensus-designated place | 5.6 mi | 0.7 |
| St. Vincent CollegeCensus-designated place | 6.9 mi | 0.5 |
| YoungwoodBorough | 6.9 mi | 1.9 |
| South GreensburgBorough | 7 mi | 0.7 |
| DonegalBorough | 7.4 mi | 0.2 |
| YoungstownBorough | 7.5 mi | 0.1 |
| Lawson HeightsCensus-designated place | 7.7 mi | 1.5 |
| Southwest GreensburgBorough | 7.8 mi | 0.4 |
| New StantonBorough | 8.1 mi | 4 |
| HunkerBorough | 8.2 mi | 0.3 |
| LatrobeBorough | 8.8 mi | 2.3 |
| GreensburgCity | 9 mi | 4 |
Frequently asked questions
- What county is Mammoth, PA in?
- Mammoth is in Westmoreland County, Pennsylvania.
- What is the population of Mammoth, PA?
- About 373 people live in Mammoth, based on American Community Survey 5-year estimates.
- What cities are near Mammoth?
- Nearby places include Norvelt (1.9 mi), Calumet (1.9 mi), Bear Rocks (5 mi), Mount Pleasant (5.5 mi), Hostetter (5.6 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023