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Welcome to Marion County ...

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

The community of Knoxville is the Seat for Marion County.

Marion County was founded June 10, 1845 and was created by taking area from Washington County.

From the Census Estimates for 2019, <1> Marion had a population of 33,253 people.

At the time of the 2010 Census, Marion represented 1.09% of the total population of Iowa.

Below are some of the communities located in Marion County:

  • Bussey
    (12 miles [19.3 km] to the southeast)
    • Bussey is located in Marion County (IA)
    • Jump to our Gazetteer entry for Bussey
    • Population from the 2020 Census: 406 people
  • Hamilton
    (13 miles [20.9 km] to the southeast)
    • Hamilton is located in Marion County (IA)
    • Jump to our Gazetteer entry for Hamilton
    • Population from the 2020 Census: 135 people
  • Harvey
    (7 miles [11.3 km] to the east)
    • Harvey is located in Marion County (IA)
    • Jump to our Gazetteer entry for Harvey
    • Population from the 2020 Census: 243 people
  • Knoxville
    (Less than 2 miles to the west)
  • Marysville
    (11 miles [17.7 km] to the southeast)
    • Marysville is located in Marion County (IA)
    • Jump to our Gazetteer entry for Marysville
    • Population from the 2020 Census: 68 people
  • Melcher - Dallas
    (11 miles [17.7 km] to the southwest)
    • Melcher - Dallas is located in Marion County (IA)
    • Jump to our Gazetteer entry for Melcher - Dallas
    • Population from the 2020 Census: 1,236 people
  • Pella
    (9 miles [14.5 km] to the northeast)
    • Pella is located in Marion County (IA)
    • Jump to our Gazetteer entry for Pella
    • Population from the 2020 Census: 10,266 people
    • Jump to TripAdvisor's Tourism page for Pella <2>
  • Pleasantville
    (11 miles [17.7 km] to the west)
  • Swan
    (15 miles [24.1 km] to the northwest)
    • Swan is located in Marion County (IA)
    • Jump to our Gazetteer entry for Swan
    • Population from the 2020 Census: 74 people

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.