ZIP Code 50104 is located in Gibson Iowa. Portions of 50104 are also in Prairie Township (Keokuk County) and Pleasant Grove Township (Mahaska County). 50104 is primarily within Keokuk County, with some portions in Mahaska County. Regionally, 50104 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
| ZIP Code Name | Gibson |
| Primary County | Keokuk County |
| ZIP Code Type | Standard |
| Population (2022) | 93 |
| Area Code(s) | 641 |
| Current Time | CST |
50104 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa. The majority race/ethnicity residing in 50104 is White. The current unemployment level in 50104 is 3.1%.
| Population | 93 |
| Population Growth Rate | -6.33% |
| Population Density | 9 People per Square Mile |
| Total Households | 59 |
| Median Household Income (2021) | $47,031 |
| Current Unemployment Rate (January 2025) | 3.1% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 74 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 17 | 22.67% |
| Bachelor Degree | 7 | 9.33% |
| High School Diploma | 14 | 18.67% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 1 | 1.33% |
| 1 or More Years of College | 4 | 5.33% |
| Associates Degree | 31 | 41.33% |
| Masters Degree | 1 | 1.33% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 41.48637390,-92.38462830 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50104 | |
| Regions | Cedar Rapids-Waterloo-Iowa City and Dubuque AreaDes Moines-Ames Area |
| Metropolitan/Micropolitan Stat Area | Oskaloosa, IA |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| Area | 11 Square Miles |
| Plant Hardiness Zone | Zone 5a: -20F to -15F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 47f - Rolling Loess Prairies | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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