Blue Knob, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 29, Blue Knob'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

Blue Knob is a small community located in Pennsylvania, within Blair County. The total population is 29. It ranks as the 1972nd most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Blue Knob is 66.8 years. This is 63% higher than the state median of 40.9 years.

Economy, Income & Housing

The median household income in Blue Knob is $68,472. This is 12% lower than the state median of $77,971. It is also 15% lower than the national median of $80,734. The ACS records no residents below the poverty line in Blue Knob. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Blue Knob, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $327,800. Housing costs are 29% higher than the state median of $254,500. The home-value-to-income ratio is 4.8x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 44% higher than the state average of 69.3%.

Race & Ethnicity

Blue Knob is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. The White (non-Hispanic) population (31.0%) is well below the state average of 73.0%.

Education

0.0% 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. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Blue Knob, 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.