17020
ZIP 17020 is Duncannon, Pennsylvania, mostly in Perry County; area codes 717 and 223; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Perry +1 more
- Metro area
- Harrisburg-Carlisle, PA
- Population
- 8,826
- Coordinates
- 40.4142, -77.0415
Weather right now
Asking the National Weather Service…
Where 17020 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 17020 into a pocket calculator and turn it upside down: OZOLI — not quite a word, sorry.
- ➕ As a number, 17,020 = 2 × 2 × 5 × 23 × 37. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001001111100 - 🏠 Its numerical neighbours: 17019 (Dillsburg, PA, 22 mi away) and 17021 (East Waterford, PA, 33 mi away).
- 🔄 Backwards, 17020 becomes 02071 — and that is a real ZIP code: South Walpole, MA, 322 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (00721, 01027, 01072, 01270, 01702, 01720, …). The farthest-flung twin is 00721 in Palmer, PR, 1,664 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther east than 81%.
- 🎯1,136 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17020 and you would come out at 40.41°S, 102.96°E — 925 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
- 📏 At 57.7 square miles of land, 17020 is bigger than 63% of ZIP codes — room for about 44 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,826This ZIP8,826 |
|---|---|
| Households | 3,665This ZIP3,665 |
| Housing units | 3,995This ZIP3,995 |
| Median age | 48.3This ZIP48.3Pennsylvania40.9US 38.9 |
| Median household income | $73,396This ZIP$73,396Pennsylvania$77,971US $80,734 |
| Median home value | $230,900This ZIP$230,900Pennsylvania$254,500US $332,700 |
| Median gross rent | $907This ZIP$907Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 23.6%This ZIP23.6% |
| Mean commute | 29.1 minThis ZIP29.1 min |
| Population density | 152.9 / sq miThis ZIP152.9 / sq mi |
Business and tax activity
| Business establishments | 139This ZIP139 |
|---|---|
| Employees | 2,039This ZIP2,039 |
| Annual payroll | $64,311,000This ZIP$64,311,000 |
| Tax returns filed | 4,560This ZIP4,560 |
| Total adjusted gross income | $306,129,000This ZIP$306,129,000 |
Land area
| Land area | 57.71 sq miThis ZIP57.71 sq mi |
|---|---|
| Water area | 2.78 sq miThis ZIP2.78 sq mi |
Counties 17020 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Perry County | 96.9% |
| Dauphin County | 3.1% |
Other place names in 17020
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17020
| ZIP | City | Distance |
|---|---|---|
17069 | New Buffalo, PA | 4.4 mi |
17053 | Marysville, PA | 6.2 mi |
17074 | Newport, PA | 7.2 mi |
17068 | New Bloomfield, PA | 7.5 mi |
17025 | Enola, PA | 9.0 mi |
17093 | Summerdale, PA | 9.3 mi |
17090 | Shermans Dale, PA | 9.9 mi |
17110 | Harrisburg, PA | 10.2 mi |
17018 | Dauphin, PA | 11.3 mi |
17121 | Harrisburg, PA | 11.4 mi |
Find every ZIP code within 10 miles of 17020 →
Questions about this ZIP code
Where is ZIP code 17020?
17020 is in Duncannon, Pennsylvania, in Perry County, part of the Harrisburg-Carlisle, PA metropolitan area. Its published point location is 40.4142, -77.0415.
What county is 17020 in?
17020 spans 2 counties: Perry County and Dauphin County. Most of it falls in Perry County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 17020?
Duncannon uses area codes 717 and 223, from NANPA's telephone records.
What time zone is 17020 in?
17020 uses America/New_York.
How many people live in 17020?
About 8,826 people live in ZIP code 17020, in 3,665 households, at 152.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 17020?
$73,396 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17020?
The closest are 17069 (4.4 mi), 17053 (6.2 mi), 17074 (7.2 mi), 17068 (7.5 mi) and 17025 (9 mi).
Is 17020 a PO Box ZIP code?
17020 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17020 ZIP Code — Duncannon, Pennsylvania (Perry County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17020
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17020.json Underlying data is public domain or openly licensed — sources, vintages and licences.