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Where 33037 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 33037 into a pocket calculator and turn it upside down: LEOEE — not quite a word, sorry.
- ➕ 33037 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1000000100001101 - 🏠 Its numerical neighbours: 33036 (Islamorada, FL, 29 mi away) and 33039 (Homestead, FL, 19 mi away).
- 🔄 Backwards, 33037 becomes 73033 — and that is a real ZIP code: Eakly, OK, 1,284 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (30337, 30733, 33073, 33307, 33703, 33730, …). The farthest-flung twin is 73033 in Eakly, OK, 1,284 miles away.
- 🧭 Farther south than 98% of all ZIP codes, and farther east than 72%.
- 🎯1,457 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 33037 and you would come out at 25.23°S, 99.59°E — 921 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 13h 43m of daylight. Shortest: 10h 34m.
- 📏 At 32.9 square miles of land, 33037 is bigger than 48% of ZIP codes — room for about 25 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 14,770This ZIP14,770 |
|---|---|
| Households | 6,083This ZIP6,083 |
| Housing units | 10,568This ZIP10,568 |
| Median age | 53.2This ZIP53.2Florida42.6US 38.9 |
| Median household income | $86,533This ZIP$86,533Florida$74,568US $80,734 |
| Median home value | $683,000This ZIP$683,000Florida$359,000US $332,700 |
| Median gross rent | $1,899This ZIP$1,899Florida$1,669US $1,413 |
| Bachelor's degree or higher | 41.7%This ZIP41.7% |
| Mean commute | 25.8 minThis ZIP25.8 min |
| Population density | 448.9 / sq miThis ZIP448.9 / sq mi |
Business and tax activity
| Business establishments | 689This ZIP689 |
|---|---|
| Employees | 6,908This ZIP6,908 |
| Annual payroll | $335,360,000This ZIP$335,360,000 |
| Tax returns filed | 7,670This ZIP7,670 |
| Total adjusted gross income | $3,602,729,000This ZIP$3,602,729,000 |
Land area
| Land area | 32.90 sq miThis ZIP32.90 sq mi |
|---|---|
| Water area | 87.86 sq miThis ZIP87.86 sq mi |
Other place names in 33037
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 33037
| ZIP | City | Distance |
|---|---|---|
33035 | Homestead, FL | 13.6 mi |
33070 | Tavernier, FL | 16.5 mi |
33033 | Homestead, FL | 17.5 mi |
33039 | Homestead, FL | 18.8 mi |
33030 | Homestead, FL | 18.9 mi |
33032 | Homestead, FL | 21.1 mi |
33031 | Homestead, FL | 21.4 mi |
33170 | Miami, FL | 23.1 mi |
33090 | Homestead, FL | 23.1 mi |
33092 | Homestead, FL | 23.1 mi |
Find every ZIP code within 10 miles of 33037 →
Questions about this ZIP code
Where is ZIP code 33037?
33037 is in Key Largo, Florida, in Monroe County, part of the Key West-Key Largo, FL micropolitan area. Its published point location is 25.2258, -80.4143.
What county is 33037 in?
33037 lies in Monroe County.
What area code is 33037?
Key Largo uses area codes 786, 305 and 645, from NANPA's telephone records.
What time zone is 33037 in?
33037 uses America/New_York.
How many people live in 33037?
About 14,770 people live in ZIP code 33037, in 6,083 households, at 448.9 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 33037?
$86,533 a year, against $74,568 across Florida.
What ZIP codes are near 33037?
The closest are 33035 (13.6 mi), 33070 (16.5 mi), 33033 (17.5 mi), 33039 (18.8 mi) and 33030 (18.9 mi).
Is 33037 a PO Box ZIP code?
33037 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “33037 ZIP Code — Key Largo, Florida (Monroe County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/33037
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/33037.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.