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Welcome to Delaware County ...

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

The community of Manchester is the Seat for Delaware County.

Delaware County was founded December 21, 1837.

From the Census Estimates for 2019, <1> Delaware had a population of 17,011 people. This is a decrease of 4.24% since the last Census (which gave a population of 17,764 people in 2010).

At the time of the 2010 Census, Delaware represented 0.58% of the total population of Iowa.

Below are some of the communities located in Delaware County:

  • Colesburg
    (14 miles [22.5 km] to the northeast)
    • Colesburg is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Colesburg
    • Population from the 2020 Census: 371 people
  • Delaware
    (Less than 2 miles to the east)
    • Delaware is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Delaware
    • Population from the 2020 Census: 149 people
  • Delhi
    (3 miles [4.8 km] to the southeast)
    • Delhi is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Delhi
    • Population from the 2020 Census: 470 people
    • Jump to TripAdvisor's Tourism page for Delhi <2>
  • Dundee
    (11 miles [17.7 km] to the northwest)
    • Dundee is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Dundee
    • Population from the 2020 Census: 158 people
    • Jump to TripAdvisor's Tourism page for Dundee <2>
  • Earlville
    (5 miles [8 km] to the east)
  • Edgewood
    (12 miles [19.3 km] to the north)
  • Greeley
    (8 miles [12.9 km] to the north)
    • Greeley is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Greeley
    • Population from the 2020 Census: 240 people
    • Jump to TripAdvisor's Tourism page for Greeley <2>
  • Hopkinton
    (10 miles [16.1 km] to the southeast)
  • Manchester
    (4 miles [6.4 km] to the west)
  • Masonville
    (10 miles [16.1 km] to the west)
    • Masonville is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Masonville
    • Population from the 2020 Census: 119 people
  • Ryan
    (9 miles [14.5 km] to the southwest)
    • Ryan is located in Delaware County (IA)
    • Jump to our Gazetteer entry for Ryan
    • Population from the 2020 Census: 343 people
    • Jump to TripAdvisor's Tourism page for Ryan <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.