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A Gazetteer for the United States and Canada
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Welcome to Onida ...

The city of Onida is located in Sully County<1> and is the County Seat for Sully County.

The pronunciation of Onida: oh-NY-duh<2>

While we don't have a date for the founding of Onida, you might consider that their post office opened in 1883.

From the  Census Estimates for 2019, Onida has a population of 624 people<3> (see below for details).

Onida is 1,870 feet [570 m] above sea level.<4>.

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

Area Code for Onida: 605

The ZIP code for Onida: 57564<5>

Population Details ...

Taken from the 2019 Census Estimates, Onida had an population of 624 people. This is a decrease of 5.17% since the 2010 Census (or a decrease of 15.68% since the 2000 Census).

At the time of the 2010 Census, Onida had a population of 658 people (which is 47.79% of the total population of Sully County). This makes Onida the county's most populous community.

The population of Onida represents 0.08% of the population of South Dakota (which has 814,180 people), making it the state's 125th most populous community.

With a 2010 count of 658 people, the population of Onida decreased 11.08% from the 2000 Census (with a count of 740 people).

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

Communities Also Named Onida ...

Using our Gazetteer, we found another community named Onida - it's located in Georgia.

For more information, see our Tidbits & Trivia Page for Onida.

Communities near Onida ...

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

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 Onida. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Onida.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Onida. 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 Onida.

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

TripAdvisor Tourism Pages for Onida ...

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

Adding Onida to Our Gazetteer ...

We originally found mention of Onida 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 (so far) for Onida was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Onida post office opened in 1883.

For more details, see References and Mentions for Onida.

Footnotes ...

<1>If you're interested in how the shape of South Dakota's counties, including Sully, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The pronunciation we've provided is our attempt to give a phonetic pronunciation for Onida. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Onida.
<4>The elevation is an estimate for the area around Onida - it will be higher in some places and lower in others.
<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 Onida). When looking for a ZIP Code, whether Onida 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>A copy of the Blevins & Helbock Post Office list with background information can be found at:

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