Lake Arthur Estates, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 333, Lake Arthur Estates'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

Lake Arthur Estates is a small community located in Pennsylvania, within Butler County. The total population is 333. It ranks as the 1544th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Lake Arthur Estates is 45.1 years. This is 10% higher than the state median of 40.9 years.

Economy, Income & Housing

The median household income in Lake Arthur Estates is $45,625. This is 41% lower than the state median of $77,971. It is also 43% lower than the national median of $80,734. The poverty rate stands at 3.3%. This is 72% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Lake Arthur Estates, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $24,200. Housing costs are 90% lower than the state median of $254,500. With a home-value-to-income ratio of just 0.5x, Lake Arthur Estates is one of the most affordable housing markets in the area. 94.8% of occupied housing units are owner-occupied. This homeownership rate is 37% higher than the state average of 69.3%.

Race & Ethnicity

Lake Arthur Estates has a predominantly White (non-Hispanic) population, comprising 97.6% of all residents.

Education

27.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 96.4%.

Data Sources & Methodology

All demographic data for Lake Arthur Estates, 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.