McKnightstown, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 695, McKnightstown'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

McKnightstown is a small community located in Pennsylvania, within Adams County. The total population is 695. It ranks as the 1187th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in McKnightstown is 40.3 years. This is 1% lower than the state median of 40.9 years. With 30.2% of the population under 18, McKnightstown has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in McKnightstown is $116,250. This is 49% higher than the state median of $77,971. It is also 44% higher than the national median of $80,734. The ACS records no residents below the poverty line in McKnightstown. 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 McKnightstown, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $185,400. Housing costs are 27% lower than the state median of $254,500. With a home-value-to-income ratio of just 1.6x, McKnightstown is one of the most affordable housing markets in the area. 75.8% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 69.3%.

Race & Ethnicity

McKnightstown has a predominantly White (non-Hispanic) population, comprising 86.0% of all residents. Asian residents account for 2.7%.

Education

26.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% lower than the state rate of 35.2%. 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 McKnightstown, 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.