Mount Aetna, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 544, Mount Aetna's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Mount Aetna is a small community located in Pennsylvania, within Berks County. The total population is 544. It ranks as the 1315th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Mount Aetna is 45.2 years. This is 11% higher than the state median of 40.9 years. Only 14.3% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Mount Aetna is $81,023. This is 4% higher than the state median of $77,971. It is also about the same as the national median of $80,734. The poverty rate stands at 3.5%. This is 70% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.5%. This is 14% lower than the state rate of 5.3%. The median home value is $333,900. Housing costs are 31% higher than the state median of $254,500. The home-value-to-income ratio is 4.1x. 91.3% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 69.3%.

Race & Ethnicity

The largest racial or ethnic group in Mount Aetna is White (non-Hispanic), making up 78.3% of the population. Hispanic or Latino residents account for 10.8%. The Asian population (1.3%) is well below the state average of 3.8%.

Education

11.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 79.7%.

Data Sources & Methodology

All demographic data for Mount Aetna, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.