RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Florida >> Monroe County >> Key Colony BeachIndex...










Learn About
The Commemorative
Quarter for
Florida


The Commemorative Quarter for Florida







Welcome to Key Colony Beach ...

The coastal city of Key Colony Beach is located in the Florida Keys.

Key Colony Beach is located in Monroe County<1>.

While we don't have a date for the founding of Key Colony Beach, you might consider that their post office opened  in 1960.

A typical abbreviation for Key Colony Beach: Key Colony Bch.

From the  Census Estimates for 2019, Key Colony Beach has a population of 799 people<2> (see below for details).

The community of Key Colony Beach is near sea level<3>.

Time Zone: Key Colony Beach lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Key Colony Beach: 305, 645 & 786<4>

The ZIP code for Key Colony Beach: 33051<5>

Population Details ...

Taken from the 2019 Census Estimates, Key Colony Beach had an population of 799 people. This is an increase of 0.25% since the 2010 Census (or an increase of 1.4% since the 2000 Census).

At the time of the 2010 Census, Key Colony Beach had a population of 797 people. This makes Key Colony Beach the county's 4th most populous community.

With a 2010 count of 797 people, the population of Key Colony Beach increased 1.14% from the 2000 Census (which had a count of 788 people).

More information can be found on the Census Page for Key Colony Beach.

Websites for Key Colony Beach ...

Official Website: www.keycolonybeach.net/

Communities near Key Colony Beach ...

We have created a list of 10 communities that are near Key Colony Beach.

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We're compiling a list of cemeteries that are in the area around Key Colony Beach. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Key Colony Beach.

We have a detailed list of newspapers that have been published in the area around Key Colony Beach. See our Newspapers Page for Key Colony Beach.

TripAdvisor Tourism Pages for Key Colony Beach ...

Looking for more information about Key Colony Beach? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Key Colony Beach, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Key Colony Beach.

Adding Key Colony Beach to Our Gazetteer ...

We originally found mention of Key Colony Beach in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Key Colony Beach was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

X2X - From that list, the Key Colony Beach post office opened in 1960.

For more details, see References and Mentions for Key Colony Beach.

The official website for Key Colony Beach: www.keycolonybeach.net/

The official website for Monroe County: www.co.monroe.fl.us/

The official website for State of Florida: https://www.myflorida.com/

Footnotes ...

<1>If you're interested in how the shape of Florida's counties, including Monroe, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Key Colony Beach.
<3>The elevation is an estimate for the area around Key Colony Beach - it will be higher in some places and lower in others.
<4>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 305 code has been Overlayed with one of the following codes: 645 or 786. New phone numbers in the Key Colony Beach area will be assigned with one of these codes: 305, 645 or 786. As a result, placing a call in the Key Colony Beach area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Key Colony Beach). When looking for a ZIP Code, whether Key Colony Beach or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<7>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<8>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/









 

Copyright 2025
All Rights Reserved

Thank you for visiting our website.

In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

If you've found an error or have additional information that you would like to share, please don't hesitate to write: Click here to contact us.

This page was last modified/updated: 18 Apr 2025