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Welcome to Cerro Gordo County ...

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

The community of Mason City is the Seat for Cerro Gordo County.

Cerro Gordo County was founded January 15, 1851 and was created by taking area from Floyd County.

From the Census Estimates for 2019, <1> Cerro Gordo had a population of 42,450 people. This is a decrease of 3.73% since the last Census (which gave a population of 44,097 people in 2010).

At the time of the 2010 Census, Cerro Gordo represented 1.45% of the total population of Iowa.

Below are some of the communities located in Cerro Gordo County:

  • Clear Lake
    (5 miles [8 km] to the west)
    • Clear Lake is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Clear Lake
    • Population from the 2020 Census: 7,517 people
    • Jump to TripAdvisor's Tourism page for Clear Lake <2>
  • Dougherty
    (17 miles [27.4 km] to the southeast)
    • Dougherty is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Dougherty
    • Population from the 2020 Census: 56 people
  • Mason City
    (4 miles [6.4 km] to the northeast)
    • Mason City is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Mason City
    • Population from the 2020 Census: 26,682 people
    • Jump to TripAdvisor's Tourism page for Mason City <2>
  • Meservey
    (17 miles [27.4 km] to the southwest)
    • Meservey is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Meservey
    • Population from the 2020 Census: 237 people
  • Plymouth
    (11 miles [17.7 km] to the northeast)
    • Plymouth is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Plymouth
    • Population from the 2020 Census: 361 people
  • Rock Falls
    (11 miles [17.7 km] to the northeast)
    • Rock Falls is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Rock Falls
    • Population from the 2020 Census: 146 people
  • Rockwell
    (9 miles [14.5 km] to the southeast)
    • Rockwell is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Rockwell
    • Population from the 2020 Census: 979 people
    • Jump to TripAdvisor's Tourism page for Rockwell <2>
  • Swaledale
    (9 miles [14.5 km] to the south)
    • Swaledale is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Swaledale
    • Population from the 2020 Census: 157 people
  • Thornton
    (12 miles [19.3 km] to the southwest)
    • Thornton is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Thornton
    • Population from the 2020 Census: 401 people
  • Ventura
    (9 miles [14.5 km] to the west)
    • Ventura is located in Cerro Gordo County (IA)
    • Jump to our Gazetteer entry for Ventura
    • Population from the 2020 Census: 706 people
    • Jump to TripAdvisor's Tourism page for Ventura <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.