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Welcome to Johnson County ...

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

The community of Iowa City is the Seat for Johnson County.

Johnson County was founded December 21, 1837.

From the Census Estimates for 2019, <1> Johnson had a population of 151,140 people. This is an increase of 15.08% since the last Census (which gave a population of 131,337 people in 2010).

At the time of the 2010 Census, Johnson represented 4.31% of the total population of Iowa.

Below are some of the communities located in Johnson County:

  • Coralville
    (2 miles [3.2 km] to the northwest)
  • Hills
    (8 miles [12.9 km] to the south)
    • Hills is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Hills
    • Population from the 2020 Census: 834 people
    • Jump to TripAdvisor's Tourism page for Hills <2>
  • Iowa City
    (2 miles [3.2 km] to the southeast)
  • Lone Tree
    (14 miles [22.5 km] to the southeast)
  • North Liberty
    (5 miles [8 km] to the northwest)
  • Oxford
    (11 miles [17.7 km] to the west)
    • Oxford is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Oxford
    • Population from the 2020 Census: 797 people
    • Jump to TripAdvisor's Tourism page for Oxford <2>
  • Shueyville
    (12 miles [19.3 km] to the north)
    • Shueyville is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Shueyville
    • Population from the 2020 Census: 655 people
  • Solon
    (9 miles [14.5 km] to the north)
    • Solon is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Solon
    • Population from the 2020 Census: 2,771 people
    • Jump to TripAdvisor's Tourism page for Solon <2>
  • Swisher
    (13 miles [20.9 km] to the northwest)
    • Swisher is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Swisher
    • Population from the 2020 Census: 959 people
    • Jump to TripAdvisor's Tourism page for Swisher <2>
  • Tiffin
    (5 miles [8 km] to the northwest)
    • Tiffin is located in Johnson County (IA)
    • Jump to our Gazetteer entry for Tiffin
    • Population from the 2020 Census: 4,629 people
    • Jump to TripAdvisor's Tourism page for Tiffin <2>
  • University Heights
    (Less than 2 miles to the south)
    • University Heights is located in Johnson County (IA)
    • Jump to our Gazetteer entry for University Heights
    • Population from the 2020 Census: 1,025 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.