Jefferson (York County), Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 437, Jefferson (York County)'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

Jefferson (York County) is a small community located in Pennsylvania, within York County. The total population is 437. It ranks as the 1410th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Jefferson (York County) is 51.4 years. This is 26% higher than the state median of 40.9 years. 12.4% 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 Jefferson (York County) is $83,409. This is 7% higher than the state median of $77,971. It is also 3% higher than the national median of $80,734. The poverty rate stands at 10.3%. This is 12% lower than the state poverty rate of 11.7%. The unemployment rate is 5.0%. This is 5% lower than the state rate of 5.3%. The median home value is $234,100. Housing costs are 8% lower than the state median of $254,500. With a home-value-to-income ratio of just 2.8x, Jefferson (York County) is one of the most affordable housing markets in the area. 79.8% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 69.3%.

Race & Ethnicity

Jefferson (York County) has a predominantly White (non-Hispanic) population, comprising 96.8% of all residents. Hispanic or Latino residents account for 2.8%. The Hispanic or Latino population (2.8%) is well below the state average of 8.7%. The Asian population (0.2%) is well below the state average of 3.8%.

Education

18.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% 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 79.6%.

Data Sources & Methodology

All demographic data for Jefferson (York County), 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.