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Welcome to Sidney ...

The city of Sidney is located in Shelby County<1> and is the County Seat for Shelby County.

The pronunciation of Sidney: SID-nee<2>

While we don't have a date for the founding of Sidney, you might consider that their post office opened  in 1821.

From the  Census Estimates for 2019, Sidney has a population of 20,450 people<3> (see below for details).

Sidney is 1,040 feet [317 m] above sea level.<4>.

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

Area Codes for Sidney: 937 & 326<5>

Population Details ...

Taken from the 2019 Census Estimates, Sidney had an population of 20,450 people. This is a decrease of 3.67% since the 2010 Census (or an increase of 1.18% since the 2000 Census).

At the time of the 2010 Census, Sidney had a population of 21,229 people (or 43.02% of the total population of Shelby County). This makes Sidney the county's most populous community.

The population of Sidney represents 0.18% of the total population of Ohio (which has 11,536,504 people), making it the state's 76th most populous community.

With a 2010 count of 21,229 people, the population of Sidney increased 5.04% from the 2000 Census (which had a count of 20,211 people).

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

Communities Also Named Sidney ...

Using our Gazetteer, we found that there are 38 communities that are also named Sidney - they are located in Alabama (2), Arkansas, British Columbia, Colorado (2), Florida, Georgia, Illinois, Indiana, Iowa, Kansas (4), Kentucky, Maine, Manitoba, Michigan, Missouri, Montana (3), Nebraska, New Jersey, New York, North Carolina (2), North Dakota (2), Oregon, Pennsylvania, South Carolina, Texas, Washington, West Virginia (2) and Wisconsin.

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

Websites for Sidney ...

Official Website: www.sidneyoh.com/

Communities near Sidney ...

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

  • Troy
    (17 miles [27.4 km] to the south)
    • Note: The GPS coordinates that we are using for Troy have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Troy
    • Troy is located in Miami County
    • Population from the 2020 Census: 26,473 people
    • Jump to TripAdvisor's Tourism page for Troy <7>
  • Piqua
    (11 miles [17.7 km] to the southwest)
  • Wapakoneta
    (19 miles [30.6 km] to the north)
  • New Bremen
    (15 miles [24.1 km] to the northwest)
    • Note: The GPS coordinates that we are using for New Bremen have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for New Bremen
    • New Bremen is located in Auglaize County
    • Population from the 2020 Census: 2,949 people
    • Jump to TripAdvisor's Tourism page for New Bremen <7>
  • Minster
    (13 miles [20.9 km] to the northwest)
  • Covington
    (15 miles [24.1 km] to the southwest)
  • Versailles
    (17 miles [27.4 km] to the west)
  • Saint Paris
    (15 miles [24.1 km] to the southeast)
  • Bradford
    (18 miles [29 km] to the southwest)
    • Note: The GPS coordinates that we are using for Bradford have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Bradford
    • Bradford is located in Miami County
    • Population from the 2020 Census: 1,871 people
    • Jump to TripAdvisor's Tourism page for Bradford <7>
  • Fort Laramie
    (11 miles [17.7 km] to the west)
    • Note: The GPS coordinates that we are using for Fort Laramie have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Fort Laramie
    • Fort Laramie is located in Shelby County
    • Population from the 2020 Census: 1,537 people
    • Jump to TripAdvisor's Tourism page for Fort Laramie <7>

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

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

We also have a detailed list of newspapers that have been published in the area around Sidney. Our list includes 18 papers. See our Newspapers Page for Sidney.

TripAdvisor Tourism Pages for Sidney ...

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

Adding Sidney to Our Gazetteer ...

We originally found mention of Sidney 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 Sidney was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

X2X - From that list, the Sidney post office opened in 1821.

We also found Sidney in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Sidney.

The official website for Sidney: www.sidneyoh.com/

The official website for Shelby County: www.co.shelby.oh.us/

The official website for State of Ohio: https://ohio.gov/

Footnotes ...

<1>If you're interested in how the shape of Ohio's counties, including Shelby, 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 Sidney. 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 Sidney.
<4>The elevation is an estimate for the area around Sidney - it will be higher in some places and lower in others.
<5>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 937 code has been Overlayed with the 326 area code. New phone numbers in the Sidney area will be assigned with one of these codes: 937 or 326. As a result, placing a call in the Sidney area will require 10-digit dialing (where you enter both the area code and then the phone number).
<6>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.
<7>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<8>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: 15 Jul 2025