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zipcodes.pro — CITY/PA/DUNCANNON

Duncannon ZIP code, Pennsylvania

The ZIP code for Duncannon, PA is 17020, and its area codes are 717 and 223.

USPS city name
1 ZIP code
Population
1,391
Area codes
717, 223

Duncannon in numbers

About 1,391 people live in Duncannon, in 639 households. The median household income is $51,103 a year, 34% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $155,600 (39% below the Pennsylvania median), and median gross rent is $808 a month. The median age is 43.5; 13.5% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 26 minutes.

Population1,391Duncannon1,391
Households639Duncannon639
Median age43.5Duncannon43.5Pennsylvania40.9US 38.9
Median household income$51,103Duncannon$51,103Pennsylvania$77,971US $80,734
Median home value$155,600Duncannon$155,600Pennsylvania$254,500US $332,700
Median gross rent$808Duncannon$808Pennsylvania$1,209US $1,413
Bachelor's degree or higher13.5%Duncannon13.5%Pennsylvania35.2%US 35.7%
Mean commute25.8 minDuncannon25.8 minPennsylvania26.3 minUS 26.4 min
Population density3,418 / sq miDuncannon3,418 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Duncannon borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Duncannon

ZIP codes with the USPS city name Duncannon
ZIP City Type Population Median income Median home
17020 Duncannon , PA Standard 8,826 $73,396 $230,900

Map of Duncannon ZIP codes

17020

The ZIP codes of Duncannon, PA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Duncannon

The nearest larger towns are Marysville (2,681 people, 6.4 mi), Newport (1,621 people, 8.0 mi) and Enola (6,534 people, 8.7 mi).

Towns near Duncannon
TownPopulationDistance
Marysville 2,681 6.4 mi
Enola 6,534 8.7 mi
Millersburg 2,531 11.0 mi
Harrisburg 50,287 11.2 mi
Wormleysburg 3,077 11.2 mi
Camp Hill 8,169 11.8 mi
Progress 11,017 12.3 mi
Lemoyne 4,742 12.4 mi
Penbrook 3,266 12.4 mi
Mechanicsburg 9,720 12.7 mi
Linglestown 6,957 12.8 mi
Schlusser 5,402 13.3 mi
Lower Allen 7,646 13.4 mi
Colonial Park 18,032 13.4 mi

More nearby: every ZIP code in Perry County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Duncannon, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/duncannon

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