Mason City micropolitan area
micropolitan statistical area in Iowa, United States
The Mason City Micropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of two counties in north central Iowa, anchored by the city of Mason City the county seat of Cerro Gordo County, Iowa. This regional area is known locally as the North Iowa Corridor. The other cities within this micropolitan area with populations over 2,000 are Clear Lake and Northwood.
As of the 2000 census, the area had a population of 54,356 (though a July 1, 2009 estimate placed the population at 51,150).
Counties
Cerro Gordo
Worth
Communities
Places with more than 25,000 inhabitants
Mason City (Principal city)
Places with 1,000 to 10,000 inhabitants
Clear Lake
Manly
Nora Springs (partial)
Northwood
Rockwell
Places with less than 1,000 inhabitants
Dougherty
Fertile
Grafton
Hanlontown
Joice
Kensett
Meservey
Plymouth
Rock Falls
Rockford
Swaledale
Thornton
Ventura
Unincorporated places
Bolan
Townships
Cerro Gordo County
Worth County
Demographics
As of the census of 2000, there were 54,356 people, 22,652 households, and 14,664 families residing within the μSA. The racial makeup of the μSA was 96.57% White, 0.73% African American, 0.16% Native American, 0.62% Asian, 0.02% Pacific Islander, 0.81% from other races, and 1.10% from two or more races. Hispanic or Latino of any race were 2.60% of the population.
The median income for a household in the μSA was $36,156, and the median income for a family was $43,931. Males had a median income of $29,859 versus $21,339 for females. The per capita income for the μSA was $18,068.
The public source identifies “Mason City micropolitan area” as micropolitan statistical area in Iowa, United States. This brief keeps that definition visible, then builds a research path around Mason, City and micropolitan.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 29, 2026. The linked authority identifier is Q6783545. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2000 and 2009.
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This entry incorporates text from “Mason City micropolitan area” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.