| ZIP Code | 50401 |
| ZIP Code Name | Mason City |
| Primary County | Cerro Gordo County |
| ZIP Code Type | Standard |
| Population (2021) | 29,024 |
| Area Code(s) | 641 |
| Current Time | CDT |
50401 is a United States ZIP Code located in Mason City Iowa. Portions of 50401 are also in Portland and Rock Falls and Plymouth and Lime Creek Township (Cerro Gordo County) and Falls Township and Mason Township (Cerro Gordo County) and Portland Township (Cerro Gordo County) and Lincoln Township (Cerro Gordo County). 50401 is entirely within Cerro Gordo County. 50401 is within the Rochester-Mason City-Austin Area.
50401 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 50401 have at least a High School Diploma. The majority race/ethnicity residing in 50401 is White. The majority race/ethnicity attending public schools in 50401 is White. The current unemployment level in 50401 is 3.2%.
| Population | 29,024 |
| Population Growth Rate | -0.06% |
| Population Density | 187 People per Square Mile |
| Total Households | 13,764 |
| Percentage High Income Households | 2.3% |
| Median Houshold Income (2021) | $57,159 |
| Average Adjusted Gross Income (2019) | $60,150 |
| Current Unemployment Rate (June 2023) | 3.2% |
| Majority Race/Ethnicty | White - 90.27% |
| Public School Majority Race/Ethnicty | White - 75.44% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 26,484 | 90.02% |
| Black | 836 | 2.84% |
| Hispanic | 1,680 | 5.71% |
| Asian | 221 | 0.75% |
| Native American | 118 | 0.4% |
| Hawaiian/Pac. Islander | 82 | 0.28% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 2,697 | 77.15% |
| Black | 309 | 8.84% |
| Hispanic | 373 | 10.67% |
| Asian | 48 | 1.37% |
| Native American | 20 | 0.57% |
| Hawaiian/Pac. Islander | 49 | 1.4% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 1,781 | 9.41% |
| Bachelor Degree | 2,889 | 15.26% |
| High School Diploma | 5,272 | 27.86% |
| No High School Diploma | 189 | 1% |
| GED or Alternate | 1,147 | 6.06% |
| 1 or More Years of College | 3,179 | 16.8% |
| Associates Degree | 3,303 | 17.45% |
| Masters Degree | 714 | 3.77% |
| Professional Degree | 354 | 1.87% |
| Doctorate Degree | 90 | 0.48% |
| Coordinates | 43.15712357,-93.18692017 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50401 | |
| Region | Rochester-Mason City-Austin Area |
| Metropolitan/Micropolitan Stat Area | Mason City, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 155 Square Miles |
| US Congressional Districts in 50401 | |
| Iowa State Senate Districts in 50401 | |
| Iowa State House of Representatives Districts in 50401 |
| 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 | 47c - Iowan Surface | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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