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zipcodes.pro — ZIP/17057

17057

ZIP 17057 is Middletown, Pennsylvania, in Dauphin County; area codes 717 and 223; Eastern time.

Type
Standard
Time zone
America/New_York
County
Dauphin
Population
23,560
Coordinates
40.1944, -76.7262
☼ Live from 17057 — Middletown, PA

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Where 17057 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.

★ Weird and wonderful facts about 17057
  • 🔢 Type 17057 into a pocket calculator and turn it upside down: LSOLI — not quite a word, sorry.
  • ➕ As a number, 17,057 = 37 × 461. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100001010100001
  • 🏠 Its numerical neighbours: 17056 (Mexico, PA, 41 mi away) and 17058 (Mifflin, PA, 48 mi away).
  • 🔄 Backwards, 17057 becomes 75071 — and that is a real ZIP code: Mckinney, TX, 1,199 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (01757, 01775, 07175, 07715, 07751, 10577, …). The farthest-flung twin is 57701 in Rapid City, SD, 1,377 miles away.
  • 🧭 Farther north than 58% of all ZIP codes, and farther east than 83%.
  • 🎯1,154 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 17057 and you would come out at 40.19°S, 103.27°E — 903 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
  • 📏 At 31.1 square miles of land, 17057 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
🌙 The sky over 17057 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,560This ZIP23,560
Households10,216This ZIP10,216
Housing units10,663This ZIP10,663
Median age39.8This ZIP39.8Pennsylvania40.9US 38.9
Median household income$73,407This ZIP$73,407Pennsylvania$77,971US $80,734
Median home value$201,600This ZIP$201,600Pennsylvania$254,500US $332,700
Median gross rent$1,198This ZIP$1,198Pennsylvania$1,209US $1,413
Bachelor's degree or higher27.2%This ZIP27.2%
Mean commute22.0 minThis ZIP22.0 min
Population density757.0 / sq miThis ZIP757.0 / sq mi

Business and tax activity

Business establishments454This ZIP454
Employees15,194This ZIP15,194
Annual payroll$1,238,340,000This ZIP$1,238,340,000
Tax returns filed11,430This ZIP11,430
Total adjusted gross income$732,619,000This ZIP$732,619,000

Land area

Land area31.12 sq miThis ZIP31.12 sq mi
Water area6.74 sq miThis ZIP6.74 sq mi

Other place names in 17057

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 17057

ZIPCityDistance
17034 Highspire, PA 3.3 mi
17319 Etters, PA 4.3 mi
17036 Hummelstown, PA 4.4 mi
17113 Harrisburg, PA 5.6 mi
17111 Harrisburg, PA 6.0 mi
17370 York Haven, PA 6.0 mi
17022 Elizabethtown, PA 6.5 mi
17070 New Cumberland, PA 6.8 mi
17502 Bainbridge, PA 7.1 mi
17033 Hershey, PA 7.3 mi

Find every ZIP code within 10 miles of 17057 →

Questions about this ZIP code

Where is ZIP code 17057?

17057 is in Middletown, Pennsylvania, in Dauphin County, part of the Harrisburg-Carlisle, PA metropolitan area. Its published point location is 40.1944, -76.7262.

What county is 17057 in?

17057 lies in Dauphin County.

What area code is 17057?

Middletown uses area codes 717 and 223, from NANPA's telephone records.

What time zone is 17057 in?

17057 uses America/New_York.

How many people live in 17057?

About 23,560 people live in ZIP code 17057, in 10,216 households, at 757.0 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 17057?

$73,407 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 17057?

The closest are 17034 (3.3 mi), 17319 (4.3 mi), 17036 (4.4 mi), 17113 (5.6 mi) and 17111 (6 mi).

Is 17057 a PO Box ZIP code?

17057 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “17057 ZIP Code — Middletown, Pennsylvania (Dauphin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/17057

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