Karthaus, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 212, Karthaus'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

Karthaus is a small community located in Pennsylvania. The total population is 212. It ranks as the 1701st most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Karthaus is 59.3 years. This is 45% higher than the state median of 40.9 years. Only 9.9% of residents are under 18, indicating fewer families with children. 16.0% 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 Karthaus is $48,750. This is 37% lower than the state median of $77,971. It is also 40% lower than the national median of $80,734. The poverty rate stands at 12.0%. This is 2% higher than the state poverty rate of 11.7%. The survey records no unemployed residents in Karthaus, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $75,000. Housing costs are 71% lower than the state median of $254,500. With a home-value-to-income ratio of just 1.5x, Karthaus is one of the most affordable housing markets in the area. 83.8% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 69.3%.

Race & Ethnicity

Karthaus has a predominantly White (non-Hispanic) population, comprising 92.9% of all residents.

Education

5.5% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 84% 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 92.9%.

Data Sources & Methodology

All demographic data for Karthaus, 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.