ZIP Code 51363 - Superior Iowa
Overview
ZIP Code 51363 is located in Superior Iowa. Portions of 51363 are also in Superior Township. 51363 is entirely within Dickinson County. Regionally, 51363 is located in the Sioux City Area.
ZIP Code 51363 Quick Stats
| ZIP Code Name | Superior |
| Primary County | Dickinson County |
| ZIP Code Type | PO Box |
| Population (2022) | 143 |
| Area Code(s) | 712 |
| Current Time | CDT |
ZIP Code 51363 Map
51363 Demographics
51363 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa. The majority race/ethnicity residing in 51363 is White. The current unemployment level in 51363 is 3.3%.
| Population | 143 |
| Population Growth Rate | -5.05% |
| Population Density | 525 People per Square Mile |
| Total Households | 78 |
| Percentage High Income Households | 12.8% |
| Median Household Income (2021) | $52,708 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 92.57% |
51363 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 187 | 92.57% |
| Black | 0 | 0% |
| Hispanic | 14 | 6.93% |
| Asian | 0 | 0% |
| Native American | 1 | 0.5% |
| Hawaiian/Pac. Islander | 0 | 0% |
51363 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 13 | 10.66% |
| Bachelor Degree | 16 | 13.11% |
| High School Diploma | 61 | 50% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 2 | 1.64% |
| 1 or More Years of College | 26 | 21.31% |
| Associates Degree | 4 | 3.28% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
51363 Geography
| Coordinates | 43.43313599, -94.94493103 |
| Adjacent ZIP Codes | |
| Cities/Towns in 51363 | |
| Region | Sioux City Area |
| Metropolitan/Micropolitan Stat Area | Spirit Lake, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 0.27256621 Square Miles |
51363 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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