17112
ZIP 17112 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
- 38,502
- Coordinates
- 40.3740, -76.7702
Weather right now
Asking the National Weather Service…
Where 17112 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 17112 into a pocket calculator and turn it upside down: ZIILI — not quite a word, sorry.
- ➕ As a number, 17,112 = 2 × 2 × 2 × 3 × 23 × 31. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001011011000 - 🏠 Its numerical neighbours: 17111 (Harrisburg, PA, 7 mi away) and 17113 (Harrisburg, PA, 10 mi away).
- 🔄 Backwards, 17112 becomes 21171, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (11217, 11721, 12117, 17121, 17211, 21117, …). The farthest-flung twin is 71112 in Bossier City, LA, 1,084 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther east than 83%.
- 🎯1,150 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 17112 and you would come out at 40.37°S, 103.23°E — 912 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
- 📏 At 69.6 square miles of land, 17112 is bigger than 69% of ZIP codes — room for about 53 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 38,502This ZIP38,502 |
|---|---|
| Households | 15,960This ZIP15,960 |
| Housing units | 16,338This ZIP16,338 |
| Median age | 44.7This ZIP44.7Pennsylvania40.9US 38.9 |
| Median household income | $103,876This ZIP$103,876Pennsylvania$77,971US $80,734 |
| Median home value | $313,000This ZIP$313,000Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,456This ZIP$1,456Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 44.0%This ZIP44.0% |
| Mean commute | 21.7 minThis ZIP21.7 min |
| Population density | 553.3 / sq miThis ZIP553.3 / sq mi |
Business and tax activity
| Business establishments | 945This ZIP945 |
|---|---|
| Employees | 14,593This ZIP14,593 |
| Annual payroll | $718,180,000This ZIP$718,180,000 |
| Tax returns filed | 20,180This ZIP20,180 |
| Total adjusted gross income | $2,079,394,000This ZIP$2,079,394,000 |
Land area
| Land area | 69.58 sq miThis ZIP69.58 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 17112
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 17112
| ZIP | City | Distance |
|---|---|---|
17018 | Dauphin, PA | 4.4 mi |
17108 | Harrisburg, PA | 4.8 mi |
17028 | Grantville, PA | 5.4 mi |
17140 | Harrisburg, PA | 6.0 mi |
17109 | Harrisburg, PA | 6.5 mi |
17177 | Harrisburg, PA | 6.6 mi |
17106 | Harrisburg, PA | 7.0 mi |
17110 | Harrisburg, PA | 7.1 mi |
17111 | Harrisburg, PA | 7.2 mi |
17107 | Harrisburg, PA | 7.7 mi |
Find every ZIP code within 10 miles of 17112 →
Questions about this ZIP code
Where is ZIP code 17112?
17112 is in Harrisburg, Pennsylvania, in Dauphin County, part of the Harrisburg-Carlisle, PA metropolitan area. Its published point location is 40.3740, -76.7702.
What county is 17112 in?
17112 lies in Dauphin County.
What area code is 17112?
Harrisburg uses area codes 717 and 223, from NANPA's telephone records.
What time zone is 17112 in?
17112 uses America/New_York.
How many people live in 17112?
About 38,502 people live in ZIP code 17112, in 15,960 households, at 553.3 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 17112?
$103,876 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 17112?
The closest are 17018 (4.4 mi), 17108 (4.8 mi), 17028 (5.4 mi), 17140 (6 mi) and 17109 (6.5 mi).
Is 17112 a PO Box ZIP code?
17112 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “17112 ZIP Code — Harrisburg, Pennsylvania (Dauphin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17112
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/17112.json Underlying data is public domain or openly licensed — sources, vintages and licences.