Mifflin, Pennsylvania Demographics & Population 2026

A note before these figures: with a population of 395, Mifflin'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

Mifflin is a small community located in Pennsylvania, within Juniata County. The total population is 395. It ranks as the 1459th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in Mifflin is 36.6 years. This is 11% lower than the state median of 40.9 years.

Economy, Income & Housing

The median household income in Mifflin is $51,058. This is 35% lower than the state median of $77,971. It is also 37% lower than the national median of $80,734. The poverty rate stands at 24.0%. This is 105% higher than the state poverty rate of 11.7%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.6%. This is 25% higher than the state rate of 5.3%. The median home value is $91,400. Housing costs are 64% lower than the state median of $254,500. With a home-value-to-income ratio of just 1.8x, Mifflin is one of the most affordable housing markets in the area. 50.4% of occupied housing units are owner-occupied. This homeownership rate is 27% lower than the state average of 69.3%.

Race & Ethnicity

The largest racial or ethnic group in Mifflin is White (non-Hispanic), making up 70.1% of the population. Hispanic or Latino residents account for 21.3%. The Black or African American population (0.8%) is well below the state average of 10.3%. The Hispanic or Latino population is significantly higher than the state average (21.3% vs 8.7%).

Education

4.1% 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 88% 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 68.7%.

Data Sources & Methodology

All demographic data for Mifflin, 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.