County ProfileIA
Cerro Gordo County
Population: 43,127 · 11 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
43,127
People
Median age
44
Housing
Total households
19,538
Income
Median household income
$68,189
Housing
Total housing units
22,786
Employment
Employment rate
61.5%
Education
Bachelor’s degree or higher
24%
Healthcare
Insured population
95.5%
County details
Local time 01:19:30(CT)| Name | Cerro Gordo |
|---|---|
| Total ZIP codes | 11total |
| ZIP codes (by type) | 10 Standard1 PO Box |
| Area code | 641, 712 |
| Timezone | Central Time (CT) |
| Coordinates | 43.0749751, -93.2509646 |
| Land area | 568.3 sq miles(1,471.9 km²) |
Map of Cerro Gordo county, Iowa with ZIP codes
Cities and Communities in Cerro Gordo County
Compare the largest cities in Cerro Gordo County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Mason City | 27,338 | $64,804 | 2ZIPs |
| Clear Lake | 7,687 | $79,415 | 1ZIPs |
| Rockwell | 1,071 | $60,982 | 1ZIPs |
| Ventura | 711 | $91,944 | 1ZIPs |
| Thornton | 400 | $67,031 | 1ZIPs |
| Plymouth | 375 | $80,000 | 1ZIPs |
| Meservey | 222 | $46,750 | 1ZIPs |
| Rock Falls | 150 | $71,042 | 1ZIPs |
| Swaledale | 144 | $51,912 | 1ZIPs |
| Dougherty | 62 | $45,500 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Cerro Gordo County
Review the most populated postal areas across Cerro Gordo County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 50401 | Mason City | $66,072 | 28,981 |
| 50428 | Clear Lake | $81,037 | 9,290 |
| 50469 | Rockwell | $71,250 | 1,629 |
| 50482 | Ventura | $98,289 | 768 |
| 50479 | Thornton | $68,750 | 667 |
| 50464 | Plymouth | $91,750 | 651 |
| 50457 | Meservey | $47,250 | 361 |
| 50477 | Swaledale | $52,321 | 257 |
| 50433 | Dougherty | $69,167 | 238 |
| 50467 | Rock Falls | $63,750 | 107 |
| 50402 | Mason City | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS