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Where 16504 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 16504 into a pocket calculator and turn it upside down: hOSgI — not quite a word, sorry.
- ➕ As a number, 16,504 = 2 × 2 × 2 × 2063. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100000001111000 - 🏠 Its numerical neighbours: 16503 (Erie, PA, 1 mi away) and 16505 (Erie, PA, 4 mi away).
- 🔄 Backwards, 16504 becomes 40561, which is not a ZIP code at all.
- 👥 78 other ZIP codes are made of exactly the same digits (01546, 01564, 05146, 05461, 05641, 06145, …). The farthest-flung twin is 56140 in Ihlen, MN, 832 miles away.
- 🧭 Farther north than 76% of all ZIP codes, and farther east than 74%.
- 🎯978 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 16504 and you would come out at 42.11°S, 99.95°E — 1,120 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
- 📏 At 2.8 square miles of land, 16504 is bigger than 14% of ZIP codes — room for about 2.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 15,931This ZIP15,931 |
|---|---|
| Households | 6,476This ZIP6,476 |
| Housing units | 7,049This ZIP7,049 |
| Median age | 36.3This ZIP36.3Pennsylvania40.9US 38.9 |
| Median household income | $56,622This ZIP$56,622Pennsylvania$77,971US $80,734 |
| Median home value | $116,400This ZIP$116,400Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,048This ZIP$1,048Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 25.7%This ZIP25.7% |
| Mean commute | 17.8 minThis ZIP17.8 min |
| Population density | 5,776.3 / sq miThis ZIP5,776.3 / sq mi |
Business and tax activity
| Business establishments | 160This ZIP160 |
|---|---|
| Employees | 2,952This ZIP2,952 |
| Annual payroll | $203,876,000This ZIP$203,876,000 |
| Tax returns filed | 7,430This ZIP7,430 |
| Total adjusted gross income | $343,182,000This ZIP$343,182,000 |
Land area
| Land area | 2.76 sq miThis ZIP2.76 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 16504
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 16504
| ZIP | City | Distance |
|---|---|---|
16546 | Erie, PA | 0.4 mi |
16503 | Erie, PA | 1.4 mi |
16501 | Erie, PA | 2.2 mi |
16512 | Erie, PA | 2.3 mi |
16522 | Erie, PA | 2.3 mi |
16530 | Erie, PA | 2.3 mi |
16534 | Erie, PA | 2.3 mi |
16538 | Erie, PA | 2.3 mi |
16541 | Erie, PA | 2.3 mi |
16553 | Erie, PA | 2.3 mi |
Find every ZIP code within 10 miles of 16504 →
Questions about this ZIP code
Where is ZIP code 16504?
16504 is in Erie, Pennsylvania, in Erie County, part of the Erie, PA metropolitan area. Its published point location is 42.1094, -80.0488.
What county is 16504 in?
16504 lies in Erie County.
What area code is 16504?
Erie uses area codes 814 and 582, from NANPA's telephone records.
What time zone is 16504 in?
16504 uses America/New_York.
How many people live in 16504?
About 15,931 people live in ZIP code 16504, in 6,476 households, at 5,776.3 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 16504?
$56,622 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 16504?
The closest are 16546 (0.4 mi), 16503 (1.4 mi), 16501 (2.2 mi), 16512 (2.3 mi) and 16522 (2.3 mi).
Is 16504 a PO Box ZIP code?
16504 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “16504 ZIP Code — Erie, Pennsylvania (Erie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16504
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/16504.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.