Mammoth

Population: 421
Median household income: $47,708
Median home value: $164,900

Mammoth is a community in Westmoreland County, Pennsylvania, home to 421 residents. At $47,708, its median household income sits below Westmoreland County's $72,468.

Between 2019 and 2023, Mammoth's population declined 9.9% from 467 to 421, while its median home value fell 3.2% from $170,400 to $164,900.

Households average 1.75 people. 12.1% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 421
Median age: 64.1 yrs
Median household income: $47,708
Median home value: $164,900
Median gross rent: —
Housing units: 266
Homeownership rate: 82.6%
Bachelor's degree or higher: 12.1%
Unemployment rate: 0.0%

Trends

ACS 5-year · 2019–2023

Population

467421

Median household income

$51,250$47,708

Median home value

$170,400$164,900

Median gross rent

$641$693

Year	Population	Median household income	Median home value	Median gross rent
2019	467	$51,250	$170,400	$641
2020	428	$50,568	$168,600	—
2021	376	$47,064	$162,500	$693
2022	391	$49,545	$206,400	—
2023	421	$47,708	$164,900	—

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 177.6%

18 to 240.0%

25 to 349.5%

35 to 447.6%

45 to 546.4%

55 to 6421.1%

65 to 7429.5%

75 and over18.3%

	Count	Share
Under 5	0	0.0%
5 to 17	32	7.6%
18 to 24	0	0.0%
25 to 34	40	9.5%
35 to 44	32	7.6%
45 to 54	27	6.4%
55 to 64	89	21.1%
65 to 74	124	29.5%
75 and over	77	18.3%

Race & ethnicity

	Count	Share
White (non-Hispanic)	421	100.0%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma19.5%

High school graduate45.0%

Some college or associate's23.4%

Bachelor's degree12.1%

Graduate or professional degree0.0%

	Count	Share
No high school diploma	76	19.5%
High school graduate	175	45.0%
Some college or associate's	91	23.4%
Bachelor's degree	47	12.1%
Graduate or professional degree	0	0.0%

Commute to work

Mean travel time to work: 27 min

Drove alone71.6%

Carpooled4.9%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home18.5%

Other means4.9%

How workers get to work

	Count	Share
Drove alone	116	71.6%
Carpooled	8	4.9%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	30	18.5%
Other means	8	4.9%

Travel time

	Count	Share
Under 15 min	34	25.8%
15 to 29 min	57	43.2%
30 to 44 min	26	19.7%
45 to 59 min	0	0.0%
60+ min	15	11.4%

Households

Average household size: 1.75
Poverty rate: 13.3% (56 of 421)

	Count	Share
Family households	139	57.7%
Nonfamily households	102	42.3%

Housing

Median year structure built: 1955

Occupancy

	Count	Share
Occupied	241	90.6%
Vacant	25	9.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	199	82.6%
Renter-occupied	42	17.4%

1-unit, detached91.4%

1-unit, attached0.0%

2 to 4 units2.3%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other6.4%

Units in structure

	Count	Share
1-unit, detached	243	91.4%
1-unit, attached	0	0.0%
2 to 4 units	6	2.3%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	17	6.4%

Geography

Place GEOID: 4246800
Type (LSAD): 57
Land area: 2.02 sq mi
Water area: 0 sq mi
Center point: 40.1987, -79.4629