11566
ZIP 11566 is Merrick, New York, in Nassau County; area codes 516 and 363; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Nassau
- Metro area
- New York-Newark-Jersey City, NY-NJ
- Population
- 34,741
- Coordinates
- 40.6623, -73.5564
Weather right now
Asking the National Weather Service…
Where 11566 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 11566 into a pocket calculator and turn it upside down: ggSII — not quite a word, sorry.
- ➕ As a number, 11,566 = 2 × 5783. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110100101110 - 🏠 Its numerical neighbours: 11565 (Malverne, NY, 6 mi away) and 11568 (Old Westbury, NY, 9 mi away).
- 🔄 Backwards, 11566 becomes 66511, which is not a ZIP code at all.
- 👥 12 other ZIP codes are made of exactly the same digits (15616, 15661, 16156, 16651, 56116, 56161, …). The farthest-flung twin is 56116 in Beaver Creek, MN, 1,183 miles away.
- 🧭 Farther north than 62% of all ZIP codes, and farther east than 92%.
- 🎯1,316 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 11566 and you would come out at 40.66°S, 106.44°E — 797 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 15m.
- 📏 At 5.4 square miles of land, 11566 is bigger than 20% of ZIP codes — room for about 4.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 34,741This ZIP34,741 |
|---|---|
| Households | 11,613This ZIP11,613 |
| Housing units | 11,736This ZIP11,736 |
| Median age | 42.4This ZIP42.4New York39.8US 38.9 |
| Median household income | $177,079This ZIP$177,079New York$85,974US $80,734 |
| Median home value | $722,400This ZIP$722,400New York$423,800US $332,700 |
| Median gross rent | $2,913This ZIP$2,913New York$1,621US $1,413 |
| Bachelor's degree or higher | 60.6%This ZIP60.6% |
| Mean commute | 37.9 minThis ZIP37.9 min |
| Population density | 6,394.4 / sq miThis ZIP6,394.4 / sq mi |
Business and tax activity
| Business establishments | 1,098This ZIP1,098 |
|---|---|
| Employees | 7,989This ZIP7,989 |
| Annual payroll | $437,363,000This ZIP$437,363,000 |
| Tax returns filed | 18,320This ZIP18,320 |
| Total adjusted gross income | $2,949,805,000This ZIP$2,949,805,000 |
Land area
| Land area | 5.43 sq miThis ZIP5.43 sq mi |
|---|---|
| Water area | 0.97 sq miThis ZIP0.97 sq mi |
Other place names in 11566
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 11566
| ZIP | City | Distance |
|---|---|---|
11710 | Bellmore, NY | 1.3 mi |
11520 | Freeport, NY | 1.7 mi |
11575 | Roosevelt, NY | 1.9 mi |
11793 | Wantagh, NY | 2.6 mi |
11510 | Baldwin, NY | 2.8 mi |
11555 | Uniondale, NY | 3.3 mi |
11553 | Uniondale, NY | 3.5 mi |
11783 | Seaford, NY | 3.6 mi |
11554 | East Meadow, NY | 4.0 mi |
11556 | Uniondale, NY | 4.2 mi |
Find every ZIP code within 10 miles of 11566 →
Questions about this ZIP code
Where is ZIP code 11566?
11566 is in Merrick, New York, in Nassau County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.6623, -73.5564.
What county is 11566 in?
11566 lies in Nassau County.
What area code is 11566?
Merrick uses area codes 516 and 363, from NANPA's telephone records.
What time zone is 11566 in?
11566 uses America/New_York.
How many people live in 11566?
About 34,741 people live in ZIP code 11566, in 11,613 households, at 6,394.4 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 11566?
$177,079 a year, against $85,974 across New York.
What ZIP codes are near 11566?
The closest are 11710 (1.3 mi), 11520 (1.7 mi), 11575 (1.9 mi), 11793 (2.6 mi) and 11510 (2.8 mi).
Is 11566 a PO Box ZIP code?
11566 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “11566 ZIP Code — Merrick, New York (Nassau County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/11566
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/11566.json Underlying data is public domain or openly licensed — sources, vintages and licences.