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Pennsylvania›Westmoreland County

MammothPA

373 people live in this town, settled in 1885.

Is Mammoth a good place to live?

Mammoth’s midpoint age is 66.4 years, above both the Pennsylvania town median (43.2 years) and the median of U.S. towns (40.5 years). Only 2 of the 1,036 Pennsylvania towns we compare have a lower share of adults with a bachelor’s degree than Mammoth. Mammoth has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

373 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
CalumetCalumetMammoth
Getting set up

Moving to Mammoth: who provides what

Mammoth is unincorporated, so Westmoreland County and regional agencies provide most services.

PowerWest Penn PowerEIAHIFLD · EIA
WaterMawc Yough Plant water system2 health-based violations in 5 years · EPAEPA
Internet5 providers100% of addresses get 100/20 MbpsFCC
Trash & county servicesWestmoreland CountyWestmoreland County provides services here
SchoolsMount Pleasant Area School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn Pennsylvania you can register online until 15 days before Election Day, in person until 15 days before Election Day, or by mail (received 15 days before).vote.gov
Who runs elections hereWestmoreland County Board of ElectionsWestmoreland County; contacts on the Handbook page.FVAP, Feb 2025
ZIP code1566615666 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Mammoth.

Natural hazards

Mammoth faces a very low natural-hazard risk, led by inland flooding

Storm and flood damage is expected to run lower than in 91% of U.S. communities. FEMA puts 83% of Mammoth’s expected hazard losses down to inland flooding.

9risk score of 100
FEMA risk score
9Very low riskLowerHigher
Inland flooding

FEMA National Risk Index · OpenFEMA

Work & commute

In Mammoth, the median household income runs lower than in the typical Pennsylvania or U.S. town

18% of Mammoth residents live below the poverty line. Jobs based in Mammoth grew to 62 in 2023, 42 more than in 2013. Its average trip to work stands at 27 minutes. The median commute is under 10 miles.

0%work in town
MammothPennsylvania townsU.S. towns
Below the poverty line18%7.6%9.6%
Median household income$39,000$81,000$80,000
Average trip to work27 minutes26 minutes25 minutes

Where working residents work

In Mammoth0%
Hempfield Township14%
Mount Pleasant Township13%
Greensburg6%
Unity Township6%
10 mi
median commute distance
62
jobs based in Mammoth
A commuter town
jobs vs. working residents

Census LEHD 2023 · ACS

Climate

Four seasons and pleasant summers: that is Mammoth’s year

In July, afternoons reach 83°; in January, nights fall to 21°, and about 30 inches of snow falls in a winter.

30″snow a winter

Typical low → high °F

Winter23–40°
Spring38–62°
Summer59–82°
Fall42–64°
Oct 13
typical first frost
May 1
typical last frost
+0.8°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

Mammoth stands out in Pennsylvania and nationally, with more of its adults who have high blood pressure

Among adults in Mammoth, 16% binge drink. CDC measures, 26 in all: Mammoth beats Pennsylvania on 6 and trails on 8. In Mammoth, 14% of adults report frequent mental distress, and 83% had a checkup this year.

MammothPennsylvania townsU.S. towns
High blood pressure (CDC PLACES)41%34%35%
Frequent mental distress (CDC PLACES)14%16%17%
Yearly checkup (CDC PLACES)83%79%79%
Diabetes (CDC PLACES)14%11%12%
26 measures vs. Pennsylvania
6 better12 too close to call8 worse
What stands outMammothPA
Fewer older adults who have lost all their teeth10.5%14.5%
Fewer adults in frequent mental distress13.9%16.4%
More adults who have had cancer12.8%8.8%
Excela Health - Frick Hospital
5.8 mi away · emergency room
None
primary care, dental or mental-health shortage

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Housing

A home in Mammoth sells for about $80K at the median

In Mammoth, 82% of households are owner-occupiers.

$80Kmedian sale price
0
homes sold in September

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Nearby attractions

Fallingwater and 61 more within 40 miles

Museums, parks, gardens and other places to visit around Mammoth. Close and well known come first.

All 79 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Fallingwater: Carol M. Highsmith, Public domain · Acrisure Stadium: Fo2grfr, CC BY-SA 4.0 · Flight 93 National Memorial: James Steakley, CC BY-SA 3.0 · Kennywood: Ski2007 of English Wikipedia, Public domain · Fort Duquesne: Sébastien Paquin, CC BY-SA 3.0 · PNC Park: alpineinc, CC BY 2.0

Keep exploring

Everything we know about Mammoth

15pages on Mammoth
After high school

Colleges nearby

5 within 15 miles of the center of Mammoth

A commuter town

100% of working residents leave Mammoth for work

Where Mammoth’s working residents go each day. Line width shows the share.

14% → Hempfield Township Hempfield Township 14% 13% → Mount Pleasant Township Mount Pleasant Township 13% 6% → Greensburg Greensburg 6% 6% → Unity Township Unity Township 6% 5% → Pittsburgh Pittsburgh 5% 4% → East Huntingdon Township East Huntingdon Township 4% Mammoth · 0% stay
62jobs based in Mammoth
0%of working residents work in town
10 mimedian commute distance

Census LEHD 2023

Questions about Mammoth

Short answers, built from the data on this page.

Is Mammoth, PA a good place to live?

Mammoth has fewer than 1,000 residents, too few for fair grades; the figures below are still real.