18011
ZIP 18011 is Alburtis, Pennsylvania, mostly in Berks County; area codes 610 and 484; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Berks +1 more
- Metro area
- Reading, PA
- Population
- 5,338
- Coordinates
- 40.4770, -75.6461
Weather right now
Asking the National Weather Service…
Where 18011 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 18011 into a pocket calculator and turn it upside down: IIOBI — not quite a word, sorry.
- ➕ As a number, 18,011 = 7 × 31 × 83. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100011001011011 - 🏠 Its numerical neighbours: 18003 (Lehigh Valley, PA, 18 mi away) and 18012 (Aquashicola, PA, 23 mi away).
- 🔄 Backwards, 18011 becomes 11081, which is not a ZIP code at all.
- 👥 7 other ZIP codes are made of exactly the same digits (01118, 10118, 11801, 18101, 80111, 81011, …). The farthest-flung twin is 81101 in Alamosa, CO, 1,628 miles away.
- 🧭 Farther north than 61% of all ZIP codes, and farther east than 86%.
- 🎯1,209 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 18011 and you would come out at 40.48°S, 104.35°E — 869 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
- 📏 At 17.1 square miles of land, 18011 is bigger than 35% of ZIP codes — room for about 13 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,338This ZIP5,338 |
|---|---|
| Households | 1,958This ZIP1,958 |
| Housing units | 2,065This ZIP2,065 |
| Median age | 38.8This ZIP38.8Pennsylvania40.9US 38.9 |
| Median household income | $104,449This ZIP$104,449Pennsylvania$77,971US $80,734 |
| Median home value | $296,300This ZIP$296,300Pennsylvania$254,500US $332,700 |
| Median gross rent | $1,704This ZIP$1,704Pennsylvania$1,209US $1,413 |
| Bachelor's degree or higher | 37.0%This ZIP37.0% |
| Mean commute | 24.0 minThis ZIP24.0 min |
| Population density | 311.8 / sq miThis ZIP311.8 / sq mi |
Business and tax activity
| Business establishments | 83This ZIP83 |
|---|---|
| Employees | 1,808This ZIP1,808 |
| Annual payroll | $120,077,000This ZIP$120,077,000 |
| Tax returns filed | 2,990This ZIP2,990 |
| Total adjusted gross income | $236,053,000This ZIP$236,053,000 |
Land area
| Land area | 17.12 sq miThis ZIP17.12 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Counties 18011 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Berks County | 76.9% |
| Lehigh County | 23.1% |
Other place names in 18011
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 18011
| ZIP | City | Distance |
|---|---|---|
19539 | Mertztown, PA | 2.4 mi |
19562 | Topton, PA | 3.4 mi |
18062 | Macungie, PA | 4.0 mi |
19511 | Bowers, PA | 5.1 mi |
19504 | Barto, PA | 5.2 mi |
18056 | Hereford, PA | 5.6 mi |
18031 | Breinigsville, PA | 5.7 mi |
19538 | Maxatawny, PA | 5.7 mi |
19536 | Lyon Station, PA | 5.9 mi |
18087 | Trexlertown, PA | 6.2 mi |
Find every ZIP code within 10 miles of 18011 →
Questions about this ZIP code
Where is ZIP code 18011?
18011 is in Alburtis, Pennsylvania, in Berks County, part of the Reading, PA metropolitan area. Its published point location is 40.4770, -75.6461.
What county is 18011 in?
18011 spans 2 counties: Berks County and Lehigh County. Most of it falls in Berks County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 18011?
Alburtis uses area codes 610 and 484, from NANPA's telephone records.
What time zone is 18011 in?
18011 uses America/New_York.
How many people live in 18011?
About 5,338 people live in ZIP code 18011, in 1,958 households, at 311.8 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 18011?
$104,449 a year, against $77,971 across Pennsylvania.
What ZIP codes are near 18011?
The closest are 19539 (2.4 mi), 19562 (3.4 mi), 18062 (4 mi), 19511 (5.1 mi) and 19504 (5.2 mi).
Is 18011 a PO Box ZIP code?
18011 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “18011 ZIP Code — Alburtis, Pennsylvania (Berks County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/18011
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/18011.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.