ZIP Code 50635 - Gladbrook Iowa
Overview
ZIP Code 50635 is located in Gladbrook Iowa. Portions of 50635 are also in Lincoln and Spring Creek Township (Tama County) and Lincoln Township (Tama County) and Crystal Township (Tama County) and Grant Township (Tama County) and Carlton Township and Vienna Township and Marion Township (Marshall County). 50635 is primarily within Tama County, with some portions in Marshall County. Regionally, 50635 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
ZIP Code 50635 Quick Stats
| ZIP Code Name | Gladbrook |
| Primary County | Tama County |
| ZIP Code Type | Standard |
| Population (2022) | 1,344 |
| Area Code(s) | 319 / 641 |
| Current Time | CDT |
ZIP Code 50635 Map
50635 Demographics
50635 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 50635 is White. The current unemployment level in 50635 is 3.3%.
| Population | 1,344 |
| Population Growth Rate | -25.59% |
| Population Density | 15 People per Square Mile |
| Total Households | 738 |
| Percentage High Income Households | 4.1% |
| Median Household Income (2021) | $62,083 |
| Average Adjusted Gross Income (2021) | $268,700 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 98.61% |
50635 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,273 | 98.61% |
| Black | 0 | 0% |
| Hispanic | 5 | 0.39% |
| Asian | 10 | 0.77% |
| Native American | 3 | 0.23% |
| Hawaiian/Pac. Islander | 0 | 0% |
50635 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 129 | 10.33% |
| Bachelor Degree | 206 | 16.49% |
| High School Diploma | 491 | 39.31% |
| No High School Diploma | 9 | 0.72% |
| GED or Alternate | 35 | 2.8% |
| 1 or More Years of College | 198 | 15.85% |
| Associates Degree | 130 | 10.41% |
| Masters Degree | 21 | 1.68% |
| Professional Degree | 18 | 1.44% |
| Doctorate Degree | 12 | 0.96% |
50635 Geography
| Coordinates | 42.19939804, -92.70307159 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50635 | |
| Regions | Cedar Rapids-Waterloo-Iowa City and Dubuque Area Des Moines-Ames Area |
| Metropolitan/Micropolitan Stat Area | Marshalltown, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 88 Square Miles |
50635 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 | 47c - Iowan Surface | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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