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Where 19604 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 19604 into a pocket calculator and turn it upside down: hOgGI — not quite a word, sorry.
- ➕ As a number, 19,604 = 2 × 2 × 13 × 13 × 29. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100110010010100 - 🏠 Its numerical neighbours: 19603 (Reading, PA, 4 mi away) and 19605 (Reading, PA, 3 mi away).
- 🔄 Backwards, 19604 becomes 40691, which is not a ZIP code at all.
- 👥 55 other ZIP codes are made of exactly the same digits (01469, 04619, 04691, 04961, 06419, 06491, …). The farthest-flung twin is 96410 in APO AA, a military post office, 8,458 miles away.
- 🧭 Farther north than 60% of all ZIP codes, and farther east than 85%.
- 🎯1,196 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 19604 and you would come out at 40.36°S, 104.09°E — 875 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
- 📏 At 2.5 square miles of land, 19604 is bigger than 13% of ZIP codes — room for about 1.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 30,124This ZIP30,124 |
|---|---|
| Households | 9,450This ZIP9,450 |
| Housing units | 10,000This ZIP10,000 |
| Median age | 29.4This ZIP29.4Pennsylvania40.9US 38.9 |
| Median household income | $52,905This ZIP$52,905Pennsylvania$77,971US $80,734 |
| Median home value | $119,000This ZIP$119,000Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,183This ZIP$1,183Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 9.6%This ZIP9.6% |
| Mean commute | 23.5 minThis ZIP23.5 min |
| Population density | 12,078.6 / sq miThis ZIP12,078.6 / sq mi |
Business and tax activity
| Business establishments | 192This ZIP192 |
|---|---|
| Employees | 1,754This ZIP1,754 |
| Annual payroll | $67,052,000This ZIP$67,052,000 |
| Tax returns filed | 12,790This ZIP12,790 |
| Total adjusted gross income | $474,661,000This ZIP$474,661,000 |
Land area
| Land area | 2.49 sq miThis ZIP2.49 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 19604
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 19604
| ZIP | City | Distance |
|---|---|---|
19601 | Reading, PA | 1.5 mi |
19602 | Reading, PA | 2.2 mi |
19611 | Reading, PA | 2.9 mi |
19606 | Reading, PA | 3.1 mi |
19605 | Reading, PA | 3.4 mi |
19560 | Temple, PA | 3.5 mi |
19603 | Reading, PA | 3.5 mi |
19610 | Reading, PA | 3.6 mi |
19607 | Reading, PA | 5.0 mi |
19609 | Reading, PA | 5.0 mi |
Find every ZIP code within 10 miles of 19604 →
Questions about this ZIP code
Where is ZIP code 19604?
19604 is in Reading, Pennsylvania, in Berks County, part of the Reading, PA metropolitan area. Its published point location is 40.3583, -75.9095.
What county is 19604 in?
19604 lies in Berks County.
What area code is 19604?
Reading uses area codes 610, 484 and 835, from NANPA's telephone records.
What time zone is 19604 in?
19604 uses America/New_York.
How many people live in 19604?
About 30,124 people live in ZIP code 19604, in 9,450 households, at 12,078.6 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 19604?
$52,905 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 19604?
The closest are 19601 (1.5 mi), 19602 (2.2 mi), 19611 (2.9 mi), 19606 (3.1 mi) and 19605 (3.4 mi).
Is 19604 a PO Box ZIP code?
19604 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “19604 ZIP Code — Reading, Pennsylvania (Berks County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19604
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/19604.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.