Duncannon is located in Pennsylvania. Duncannon, Pennsylvania 17020 has population of 1,490. Duncannon 17020 is less family-centric than the surrounding county with 26% of the households with children.
The median household income in Duncannon, Pennsylvania 17020 is $50,890. The median household income for the surrounding county is $65,878 compared to the national median of $66,222. The median age of people living in Duncannon 17020 is 40.8 years.
The average high temperature in July is 84.6 degrees, with an average low temperature in January of 19.4 degrees. The annual precipitation is 40.76.
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