Weather right now
Asking the National Weather Service…
Where 06518 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 06518 into a pocket calculator and turn it upside down: BISgO — not quite a word, sorry.
- ➕ As a number, 6,518 = 2 × 3259. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100101110110 - 🏠 Its numerical neighbours: 06517 (Hamden, CT, 6 mi away) and 06519 (New Haven, CT, 10 mi away).
- 🔄 Backwards, 06518 becomes 81560, which is not a ZIP code at all.
- 👥 51 other ZIP codes are made of exactly the same digits (01568, 01586, 01865, 05681, 05861, 06851, …). The farthest-flung twin is 85601 in Arivaca, AZ, 2,219 miles away.
- 🧭 Farther north than 70% of all ZIP codes, and farther east than 93%.
- 🎯1,346 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06518 and you would come out at 41.43°S, 107.09°E — 815 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
- 📏 At 16.5 square miles of land, 06518 is bigger than 34% of ZIP codes — room for about 13 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 20,126This ZIP20,126 |
|---|---|
| Households | 6,661This ZIP6,661 |
| Housing units | 7,188This ZIP7,188 |
| Median age | 31.9This ZIP31.9Connecticut41.1US 38.9 |
| Median household income | $106,692This ZIP$106,692Connecticut$95,781US $80,734 |
| Median home value | $325,300This ZIP$325,300Connecticut$366,900US $332,700 |
| Median gross rent | $2,154This ZIP$2,154Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 48.7%This ZIP48.7% |
| Mean commute | 21.1 minThis ZIP21.1 min |
| Population density | 1,217.8 / sq miThis ZIP1,217.8 / sq mi |
Business and tax activity
| Business establishments | 522This ZIP522 |
|---|---|
| Employees | 8,890This ZIP8,890 |
| Annual payroll | $526,520,000This ZIP$526,520,000 |
| Tax returns filed | 7,810This ZIP7,810 |
| Total adjusted gross income | $768,529,000This ZIP$768,529,000 |
Land area
| Land area | 16.53 sq miThis ZIP16.53 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
Other place names in 06518
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06518
| ZIP | City | Distance |
|---|---|---|
06495 | Wallingford, CT | 3.4 mi |
06514 | Hamden, CT | 4.1 mi |
06524 | Bethany, CT | 4.3 mi |
06473 | North Haven, CT | 4.5 mi |
06408 | Cheshire, CT | 4.6 mi |
06493 | Wallingford, CT | 4.6 mi |
06494 | Wallingford, CT | 4.6 mi |
06504 | New Haven, CT | 4.6 mi |
06537 | New Haven, CT | 4.6 mi |
06538 | New Haven, CT | 4.6 mi |
Find every ZIP code within 10 miles of 06518 →
Questions about this ZIP code
Where is ZIP code 06518?
06518 is in Hamden, Connecticut, in New Haven County. Its published point location is 41.4309, -72.9120.
What county is 06518 in?
06518 lies in New Haven County.
What area code is 06518?
Hamden uses area codes 203 and 475, from NANPA's telephone records.
What time zone is 06518 in?
06518 uses America/New_York.
How many people live in 06518?
About 20,126 people live in ZIP code 06518, in 6,661 households, at 1,217.8 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 06518?
$106,692 a year, against $95,781 across Connecticut.
What ZIP codes are near 06518?
The closest are 06495 (3.4 mi), 06514 (4.1 mi), 06524 (4.3 mi), 06473 (4.5 mi) and 06408 (4.6 mi).
Is 06518 a PO Box ZIP code?
06518 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06518 ZIP Code — Hamden, Connecticut (New Haven County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06518
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06518.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.