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Welcome to Altha ...

The town of Altha is located in Calhoun County<1>.

While we don't have a date for the founding of Altha, you might consider that their post office opened  in 1902.

From the  Census Estimates for 2019, Altha has a population of 484 people<2> (see below for details).

Altha is 200 feet [61 m] above sea level.<3>.

Time Zone: Altha lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Note: If you travel east from Altha (for example, toward Greensboro), you will soon leave Central Time and cross into the Eastern Time Zone (EST/EDT).

Area Codes for Altha: 850 & 448<4>

The ZIP code for Altha: 32421<5>

Population Details ...

Taken from the 2019 Census Estimates, Altha had an population of 484 people. This is a decrease of 9.7% since the 2010 Census (or a decrease of 4.35% since the 2000 Census).

At the time of the 2010 Census, Altha had a population of 536 people. This makes Altha the county's 2nd most populous community.

With a 2010 count of 536 people, the population of Altha increased 5.93% from the 2000 Census (which had a count of 506 people).

More information can be found on the Census Page for Altha.

Communities near Altha ...

We have created a list of 10 communities that are near Altha.

To Help With Your Genealogy Research ...

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

We created a list of cemeteries that are in the area around Altha. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Altha.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Altha. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Altha.

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

TripAdvisor Tourism Pages for Altha ...

Looking for more information about Altha? 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 Altha, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Altha.

Adding Altha to Our Gazetteer ...

We originally found mention of Altha 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 Altha was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>

X2X - From that list, the Altha post office opened in 1902.

We also found Altha on a map titled Shell Oil Road Map for Florida (1956).

For more details, see References and Mentions for Altha.

Unfortunately, we don't know of a website for Altha. If you can help, please contact us through our Feedback Page.

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 Calhoun, 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 Altha.
<3>The elevation is an estimate for the area around Altha - 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 850 code has been Overlayed with the 448 area code. New phone numbers in the Altha area will be assigned with one of these codes: 850 or 448. As a result, placing a call in the Altha 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 town (such as Altha). When looking for a ZIP Code, whether Altha 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>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<9>A copy of their list with background information can be found at:

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




 

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This page was last modified/updated: 18 Apr 2025