ZIP Code 50479 - Thornton Iowa
Overview
ZIP Code 50479 is located in Thornton Iowa. Portions of 50479 are also in Grimes Township and Pleasant Valley Township (Cerro Gordo County) and Union Township (Cerro Gordo County) and Richland Township (Franklin County) and Wisner Township and Mount Vernon Township (Cerro Gordo County). 50479 is primarily within Cerro Gordo County, with some portions in Franklin County. Regionally, 50479 is located in the Rochester-Mason City-Austin Area.
ZIP Code 50479 Quick Stats
| ZIP Code Name | Thornton |
| Primary County | Cerro Gordo County |
| ZIP Code Type | Standard |
| Population (2022) | 736 |
| Area Code(s) | 641 |
| Current Time | CDT |
ZIP Code 50479 Map
50479 Demographics
50479 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 50479 is White. The current unemployment level in 50479 is 3.3%.
| Population | 736 |
| Population Growth Rate | 22.5% |
| Population Density | 12 People per Square Mile |
| Total Households | 306 |
| Median Household Income (2021) | $59,231 |
| Average Adjusted Gross Income (2021) | $159,700 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 94.97% |
50479 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 661 | 94.97% |
| Black | 0 | 0% |
| Hispanic | 33 | 4.74% |
| Asian | 2 | 0.29% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
50479 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 57 | 13.23% |
| Bachelor Degree | 65 | 15.08% |
| High School Diploma | 147 | 34.11% |
| No High School Diploma | 3 | 0.7% |
| GED or Alternate | 21 | 4.87% |
| 1 or More Years of College | 69 | 16.01% |
| Associates Degree | 53 | 12.3% |
| Masters Degree | 14 | 3.25% |
| Professional Degree | 2 | 0.46% |
| Doctorate Degree | 0 | 0% |
50479 Geography
| Coordinates | 42.95617294, -93.41368866 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50479 | |
| Regions | Rochester-Mason City-Austin Area Des Moines-Ames Area |
| Metropolitan/Micropolitan Stat Area | Mason City, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 59 Square Miles |
50479 Weather and Climate Data
| 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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