Welcome to Callao ...
The city of Callao is located in Macon County<1>.
While we don't have a date for the founding of Callao, you might consider that their post office opened in 1859.
From the Census Estimates for 2019, Callao has a population of 291 people<2> (see below for details).
Callao is 820 feet [250 m] above sea level.<3>.
Time Zone: Callao lies in the Central Time Zone (CST/CDT) and observes daylight saving time
The telephone area code for Callao: (660)
The ZIP code for Callao: 63534<4>
Population Details ...
Taken from the 2019 Census Estimates, Callao had an population of 291 people. This is a decrease of 0.34% since the 2010 Census.
At the time of the 2010 Census, Callao had a population of 292 people. This makes Callao the county's 5th most populous community.
With a 2010 count of 292 people, the population of Callao has remained roughly the same as the 2000 Census (which had a count of 291 people).
More information can be found on the Census Page for Callao.
Communities Also Named Callao ...
Using our Gazetteer, we found that there are 3 communities that are also named Callao - they are located in Mississippi, Utah and Virginia.
For more information, see our Tidbits & Trivia Page for Callao.
Communities near Callao ...
We have created a list of 10 communities that are near Callao.
- Macon
(8 miles [12.9 km] to the east)- Note: The GPS coordinates that we are using for Macon have been provided by the GNIS.<5> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Macon
- Macon is located in Macon County
- Population from the 2020 Census: 5,341 people
- Jump to TripAdvisor's Tourism page for Macon <6>
- Marceline
(17 miles [27.4 km] to the west)- Jump to our Gazetteer entry for Marceline
- Marceline is located in Linn County
- Population from the 2020 Census: 2,063 people
- Jump to TripAdvisor's Tourism page for Marceline <6>
- La Plata
(19 miles [30.6 km] to the north)- Jump to our Gazetteer entry for La Plata
- La Plata is located in Macon County
- Population from the 2020 Census: 1,303 people
- Jump to TripAdvisor's Tourism page for La Plata <6>
- Clarence
(19 miles [30.6 km] to the east)- Jump to our Gazetteer entry for Clarence
- Clarence is located in Shelby County
- Population from the 2020 Census: 752 people
- Jump to TripAdvisor's Tourism page for Clarence <6>
- Bucklin
(14 miles [22.5 km] to the west) - Atlanta
(12 miles [19.3 km] to the northeast)- Jump to our Gazetteer entry for Atlanta
- Atlanta is located in Macon County
- Population from the 2020 Census: 384 people
- Cairo
(19 miles [30.6 km] to the southeast)- Jump to our Gazetteer entry for Cairo
- Cairo is located in Randolph County
- Population from the 2020 Census: 273 people
- New Cambria
(6 miles [9.7 km] to the west)- Note: The GPS coordinates that we are using for New Cambria have been provided by the GNIS.<5> The coordinates still need to be verified.
- Jump to our Gazetteer entry for New Cambria
- New Cambria is located in Macon County
- Population from the 2020 Census: 189 people
- Jump to TripAdvisor's Tourism page for New Cambria <6>
- Jacksonville
(14 miles [22.5 km] to the southeast)- Jump to our Gazetteer entry for Jacksonville
- Jacksonville is located in Randolph County
- Population from the 2020 Census: 145 people
- Elmer
(13 miles [20.9 km] to the north)- Jump to our Gazetteer entry for Elmer
- Elmer is located in Macon County
- Population from the 2020 Census: 77 people
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 Callao. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Callao.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Callao. 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 Callao.
We also have a detailed list of newspapers that have been published in the area around Callao. See our Newspapers Page for Callao.
TripAdvisor Tourism Pages for Callao ...
Looking for more information about Callao? 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 Callao, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Callao.
Adding Callao to Our Gazetteer ...
We originally found mention of Callao 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 Callao was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>
From that list, the Callao post office opened in 1859.
We also found Callao in the book titled List of Post Offices in the United States (1870).
For more details, see References and Mentions for Callao.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Callao. If you can help, please contact us through our Feedback Page.
The official website for State of Missouri: https://www.mo.gov/
Footnotes ...
| <1> | If you're interested in how the shape of Missouri's counties, including Macon, 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 Callao. |
| <3> | The elevation is an estimate for the area around Callao - it will be higher in some places and lower in others. |
| <4> | 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 Callao). When looking for a ZIP Code, whether Callao or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <5> | 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. |
| <6> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <7> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |