| ZIP Code | 50428 |
| ZIP Code Name | Clear Lake |
| Primary County | Cerro Gordo County |
| ZIP Code Type | Standard |
| Population (2021) | 9,117 |
| Area Code(s) | 641 |
| Current Time | CDT |
50428 is a United States ZIP Code located in Clear Lake Iowa. Portions of 50428 are also in Ventura and Grant Township (Cerro Gordo County) and Lake Township (Cerro Gordo County) and Clear Lake Township (Cerro Gordo County) and Union Township (Cerro Gordo County) and Lincoln Township (Cerro Gordo County). 50428 is entirely within Cerro Gordo County. 50428 is within the Rochester-Mason City-Austin Area.
50428 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Iowa based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 50428 have at least a High School Diploma. The majority race/ethnicity residing in 50428 is White. The majority race/ethnicity attending public schools in 50428 is White. The current unemployment level in 50428 is 3.1%.
| Population | 9,117 |
| Population Growth Rate | -4.01% |
| Population Density | 78 People per Square Mile |
| Total Households | 4,118 |
| Percentage High Income Households | 2.7% |
| Median Houshold Income (2021) | $62,792 |
| Average Adjusted Gross Income (2019) | $78,460 |
| Current Unemployment Rate (August 2023) | 3.1% |
| Majority Race/Ethnicty | White - 92.26% |
| Public School Majority Race/Ethnicty | White - 84.89% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 8,566 | 92.23% |
| Black | 25 | 0.27% |
| Hispanic | 390 | 4.2% |
| Asian | 295 | 3.18% |
| Native American | 9 | 0.1% |
| Hawaiian/Pac. Islander | 3 | 0.03% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,247 | 90.04% |
| Black | 22 | 1.59% |
| Hispanic | 104 | 7.51% |
| Asian | 10 | 0.72% |
| Native American | 1 | 0.07% |
| Hawaiian/Pac. Islander | 1 | 0.07% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 488 | 7.57% |
| Bachelor Degree | 1,352 | 20.98% |
| High School Diploma | 1,854 | 28.77% |
| No High School Diploma | 134 | 2.08% |
| GED or Alternate | 172 | 2.67% |
| 1 or More Years of College | 969 | 15.03% |
| Associates Degree | 987 | 15.31% |
| Masters Degree | 292 | 4.53% |
| Professional Degree | 129 | 2% |
| Doctorate Degree | 60 | 0.93% |
| Coordinates | 43.13441086,-93.38327789 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50428 | |
| Region | Rochester-Mason City-Austin Area |
| Metropolitan/Micropolitan Stat Area | Mason City, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 117 Square Miles |
| US Congressional Districts in 50428 | |
| Iowa State Senate Districts in 50428 | |
| Iowa State House of Representatives Districts in 50428 |
| Plant Hardiness Zone | Zone 5a: -20F to -15F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 47b - Des Moines Lobe | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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