Pennsylvania · Census place 4220240
Duncannon, Pennsylvania
Duncannon is a borough in Perry County, Pennsylvania with an estimated 1,471 residents on July 1, 2024. It is the 503rd largest of 597 incorporated places of 1,000+ people in the state.
- Population 2024
- 1,471
- #503 of 597 in Pennsylvania
- Change since 2020
- +0.0%
- +0 people
- Land area
- 0.4 sq mi
- Density
- 3,588 / sq mi
- State median 3,911
Measure from here
Tools and pages that start from Duncannon
Duncannon population, 2020 to 2024
Duncannon added 0 residents from July 2020 to July 2024, a change of +0.0%. In the latest year it moved by +6.
Duncannon covers 0.41 square miles of land, for 3,588 people per square mile of land. The median Pennsylvania place of 5,000+ has 3,911, so Duncannon is close to the typical town.
What county Duncannon is in
All of Duncannon's residents live in Perry County, which had 46,816 residents in 2024. Duncannon holds 3.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Duncannon
1 ZIP Code Tabulation Area (ZCTA) overlaps Duncannon by at least 10% of the ZCTA's or the borough's land: 17020. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.
Where Duncannon is
The Census internal point of Duncannon is at 40.395200, -77.027700. Harrisburg, the capital, is 11.8 miles SE in a straight line. The nearest larger place is Marysville, PA (2,721 people), 6.4 miles away. The nearest city of 100,000 or more is Baltimore, MD, 78.9 miles away.
Internal point
- Decimal
- 40.395200, -77.027700
- DMS
- 40°23'42.72"N 77°01'39.72"W
- UTM
- 18N 327912.3E 4473595.9N
- Geohash
- dr1jz1wph
- Plus code
- 87G49XWC+3W
Daylight in Duncannon
At 40.40° N, Duncannon gets about 15 h 04 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 46 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Duncannon
The eight nearest incorporated places of 1,000+ in Pennsylvania, measured between internal points. The closest is Marysville, 6.4 miles away, with 2,721 people.
Questions people ask
What is the population of Duncannon, PA?
1,471 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 0 (0.0%) from 1,471 in July 2020.
What county is Duncannon in?
Perry County. All of its residents live in that county.
What ZIP codes cover Duncannon?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 17020.
How far is Duncannon from Harrisburg?
11.8 miles (19.0 km) in a straight line, heading SE from Duncannon.
What is the nearest larger city to Duncannon?
Marysville, PA, with 2,721 residents, 6.4 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.