Mammoth CDP, Pennsylvania Demographics & Population 2026

Name: Mammoth CDP, Pennsylvania Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Mammoth CDP, Pennsylvania has a total population of 421, the 1427th largest city in Pennsylvania, with a median household income of $47,708, which is 37% lower than the state average. The poverty rate is 13.3%.

Key Takeaways

Household income is 37% below the state average, indicating significant economic challenges.
Near full employment with an unemployment rate of just 0.0%.

Mammoth CDP Quick Facts

Population 421

Median Household Income $47,708

Median Home Value $164,900

Poverty Rate 13.3%

Unemployment Rate 0.0%

Median Age 64.1 years

Homeownership Rate 82.6%

Affordability Ratio 3.5x

Bachelor's Degree or Higher 12.1%

High School Graduation Rate 80.5%

Diversity Index 0/100

Population 421 1427th of 1,993

Median Income $47,708 bottom 20%

Poverty Rate 13.3% 7% higher national

Median Home Value $164,900 average

How Mammoth CDP Compares

Median Household Income

Mammoth CDP

$47,708

$76,081

National

$78,538

Median Home Value

Mammoth CDP

$164,900

$240,500

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 24.1%

$25K-$50K 28.2%

$50K-$100K 35.3%

$100K+ 12.4%

Employment

0.0% Unemployment Rate State: 5.3% | National: 5.2%

40.2% Labor Force Participation

Housing Overview

Owner 82.6%

Renter 17.4%

Affordability Index Affordable

3.5x home value to income ratio

People & Demographics

Age Distribution

Under 18

7.6%

18-34

9.5%

35-54

14.0%

55-74

50.6%

75+

18.3%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 43 | National average: 60

Education

Educational Attainment (Adults 25+)

Mammoth CDP Rankings in Pennsylvania

#1427 Population of 1,993

#1605 Median Income of 1,993

#1589 Education of 1,993

#952 Home Value of 1,993

Explore Pennsylvania Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Mammoth CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Elmora CDP	421	N/A	N/A	2.0%	31.1%
The Escape CDP	426	$48,500	N/A	12.0%	27.5%
Mifflin borough	415	$50,357	$73,300	2.9%	30.0%
Mexico CDP	411	$49,476	$171,100	16.6%	5.6%
Corsica borough	406	$49,125	$106,500	20.9%	16.9%

Population Overview

Mammoth CDP is a small community located in Pennsylvania. The total population is 421. It ranks as the 1427th most populous out of 1,993 cities and towns in Pennsylvania.

Age Demographics

The median age in Mammoth CDP is 64.1 years. This is 57% higher than the state median of 40.9 years. Only 7.6% of residents are under 18, indicating fewer families with children. 18.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Mammoth CDP is $47,708. This is 37% lower than the state median of $76,081. Compared to the national median of $78,538, household income here is 39% lower. The poverty rate stands at 13.3%. This is 13% higher than the state poverty rate of 11.8%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.3%. The median home value is $164,900. Housing costs are 31% lower than the state median of $240,500. The home-value-to-income ratio is 3.5x. 82.6% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 69.3%.

Race & Ethnicity

Mammoth CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

12.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 65% lower than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 80.5%.

Data Sources & Methodology

All demographic data for Mammoth CDP, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,993 Census-designated places in Pennsylvania. For official data, visit data.census.gov.

Free data download: Get all Pennsylvania city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Mammoth CDP, Pennsylvania?

Mammoth CDP, Pennsylvania has a population of 421 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Mammoth CDP, PA?

The median household income in Mammoth CDP is $47,708, which is 39% lower the national median of $78,538.

What is the poverty rate in Mammoth CDP, PA?

The poverty rate in Mammoth CDP is 13.3%. This means approximately 56 residents live below the federal poverty line.

What is the racial makeup of Mammoth CDP, Pennsylvania?

Mammoth CDP's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Mammoth CDP, PA?

The median home value in Mammoth CDP is $164,900. The home-value-to-income ratio is 3.5x.

How educated is Mammoth CDP, Pennsylvania?

12.1% of adults (25+) in Mammoth CDP hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.