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Welcome to Delaware County ...

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

The community of Delaware is the Seat for Delaware County.

Delaware County was founded April 1, 1808 and was created by taking area from Franklin County.

From the Census Estimates for 2019, <1> Delaware had a population of 209,768 people. This is an increase of 20.41% since the last Census (which gave a population of 174,214 people in 2010).

At the time of the 2010 Census, Delaware represented 1.51% of the total population of Ohio.

Below are some of the communities located in Delaware County:

  • Ashley
    (11 miles [17.7 km] to the north)
    • Jump to our Gazetteer entry for Ashley
    • Ashley is located in Delaware County (OH)
    • Population from the 2020 Census: 1,640 people
    • Jump to TripAdvisor's Tourism page for Ashley <2>
  • Delaware
    (3 miles [4.8 km] to the northwest)
    • Jump to our Gazetteer entry for Delaware
    • Delaware is located in Delaware County (OH)
    • Population from the 2020 Census: 42,607 people
    • Jump to TripAdvisor's Tourism page for Delaware <2>
  • Galena
    (7 miles [11.3 km] to the east)
    • Note: The GPS coordinates that we are using for Galena have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Galena
    • Galena is located in Delaware County (OH)
    • Population from the 2020 Census: 753 people
    • Jump to TripAdvisor's Tourism page for Galena <2>
  • Ostrander
    (10 miles [16.1 km] to the west)
    • Note: The GPS coordinates that we are using for Ostrander have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ostrander
    • Ostrander is located in Delaware County (OH)
    • Population from the 2020 Census: 764 people
    • Jump to TripAdvisor's Tourism page for Ostrander <2>
  • Powell
    (7 miles [11.3 km] to the southwest)
    • Jump to our Gazetteer entry for Powell
    • Powell is located in Delaware County (OH)
    • Population from the 2020 Census: 13,393 people
    • Jump to TripAdvisor's Tourism page for Powell <2>
  • Shawnee Hills
    (8 miles [12.9 km] to the southwest)
  • Sunbury
    (8 miles [12.9 km] to the east)
    • Note: The GPS coordinates that we are using for Sunbury have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Sunbury
    • Sunbury is located in Delaware County (OH)
    • Population from the 2020 Census: 6,881 people
    • Jump to TripAdvisor's Tourism page for Sunbury <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>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.
 

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This page was last modified/updated: 26 Feb 2024