17109
ZIP 17109 is in Harrisburg, Pennsylvania, in Dauphin County; area codes 717 and 223; Eastern time. Harrisburg has 26 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Dauphin
- Metro area
- Harrisburg-Carlisle, PA
- Population
- 27,466
- Coordinates
- 40.2898, -76.8241
Weather right now
Asking the National Weather Service…
Where 17109 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 17109 into a pocket calculator and turn it upside down: GOILI — not quite a word, sorry.
- ➕ As a number, 17,109 = 3 × 3 × 1901. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001011010101 - 🏠 Its numerical neighbours: 17108 (Harrisburg, PA, 2 mi away) and 17110 (Harrisburg, PA, 4 mi away).
- 🔄 Backwards, 17109 becomes 90171, which is not a ZIP code at all.
- 👥 32 other ZIP codes are made of exactly the same digits (01719, 01971, 07191, 09171, 10179, 10917, …). The farthest-flung twin is 09171 in APO AE, a military post office, 3,890 miles away.
- 🧭 Farther north than 59% of all ZIP codes, and farther east than 82%.
- 🎯1,148 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17109 and you would come out at 40.29°S, 103.18°E — 911 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 18m.
- 📏 At 7.0 square miles of land, 17109 is bigger than 22% of ZIP codes — room for about 5.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 27,466This ZIP27,466 |
|---|---|
| Households | 10,960This ZIP10,960 |
| Housing units | 11,623This ZIP11,623 |
| Median age | 35.2This ZIP35.2Pennsylvania40.9US 38.9 |
| Median household income | $71,833This ZIP$71,833Pennsylvania$77,971US $80,734 |
| Median home value | $215,900This ZIP$215,900Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,328This ZIP$1,328Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 26.9%This ZIP26.9% |
| Mean commute | 21.0 minThis ZIP21.0 min |
| Population density | 3,940.6 / sq miThis ZIP3,940.6 / sq mi |
Business and tax activity
| Business establishments | 625This ZIP625 |
|---|---|
| Employees | 12,159This ZIP12,159 |
| Annual payroll | $604,893,000This ZIP$604,893,000 |
| Tax returns filed | 13,100This ZIP13,100 |
| Total adjusted gross income | $700,818,000This ZIP$700,818,000 |
Land area
| Land area | 6.97 sq miThis ZIP6.97 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 17109
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17109
| ZIP | City | Distance |
|---|---|---|
17177 | Harrisburg, PA | 1.4 mi |
17106 | Harrisburg, PA | 1.4 mi |
17140 | Harrisburg, PA | 1.7 mi |
17108 | Harrisburg, PA | 1.8 mi |
17103 | Harrisburg, PA | 2.3 mi |
17111 | Harrisburg, PA | 2.7 mi |
17107 | Harrisburg, PA | 2.8 mi |
17105 | Harrisburg, PA | 2.8 mi |
17104 | Harrisburg, PA | 3.3 mi |
17128 | Harrisburg, PA | 3.4 mi |
Find every ZIP code within 10 miles of 17109 →
Questions about this ZIP code
Where is ZIP code 17109?
17109 is in Harrisburg, Pennsylvania, in Dauphin County, part of the Harrisburg-Carlisle, PA metropolitan area. Its published point location is 40.2898, -76.8241.
What county is 17109 in?
17109 lies in Dauphin County.
What area code is 17109?
Harrisburg uses area codes 717 and 223, from NANPA's telephone records.
What time zone is 17109 in?
17109 uses America/New_York.
How many people live in 17109?
About 27,466 people live in ZIP code 17109, in 10,960 households, at 3,940.6 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 17109?
$71,833 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17109?
The closest are 17177 (1.4 mi), 17106 (1.4 mi), 17140 (1.7 mi), 17108 (1.8 mi) and 17103 (2.3 mi).
Is 17109 a PO Box ZIP code?
17109 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17109 ZIP Code — Harrisburg, Pennsylvania (Dauphin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17109
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17109.json Underlying data is public domain or openly licensed — sources, vintages and licences.