ZIP Code 51366 - Webb Iowa
Overview
ZIP Code 51366 is located in Webb Iowa. Portions of 51366 are also in Garfield Township (Clay County) and Herdland Township and Logan Township (Clay County) and Poland Township. 51366 is primarily within Clay County, with some portions in Buena Vista County. Regionally, 51366 is located in the Sioux City Area.
ZIP Code 51366 Quick Stats
| ZIP Code Name | Webb |
| Primary County | Clay County |
| ZIP Code Type | Standard |
| Population (2022) | 303 |
| Area Code(s) | 712 |
| Current Time | CDT |
ZIP Code 51366 Map
51366 Demographics
51366 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 51366 is White. The current unemployment level in 51366 is 3.3%.
| Population | 303 |
| Population Growth Rate | -14.32% |
| Population Density | 5 People per Square Mile |
| Total Households | 180 |
| Median Household Income (2021) | $62,813 |
| Average Adjusted Gross Income (2021) | $164,230 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 100% |
51366 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 323 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
51366 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 31 | 11.07% |
| Bachelor Degree | 63 | 22.5% |
| High School Diploma | 89 | 31.79% |
| No High School Diploma | 2 | 0.71% |
| GED or Alternate | 7 | 2.5% |
| 1 or More Years of College | 32 | 11.43% |
| Associates Degree | 45 | 16.07% |
| Masters Degree | 8 | 2.86% |
| Professional Degree | 3 | 1.07% |
| Doctorate Degree | 0 | 0% |
51366 Geography
| Coordinates | 42.95864868, -95.00517273 |
| Adjacent ZIP Codes | |
| Cities/Towns in 51366 | |
| Region | Sioux City Area |
| Metropolitan/Micropolitan Stat Areas | Spencer, IA Storm Lake, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 65 Square Miles |
51366 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||