ZIP Code 50527 - Curlew Iowa
Overview
ZIP Code 50527 is located in Curlew Iowa. Portions of 50527 are also in Rush Lake Township and Booth Township and Great Oak Township and Silver Lake Township (Palo Alto County). 50527 is entirely within Palo Alto County. Regionally, 50527 is located in the Sioux City Area.
ZIP Code 50527 Quick Stats
| ZIP Code Name | Curlew |
| Primary County | Palo Alto County |
| ZIP Code Type | Standard |
| Population (2022) | 106 |
| Area Code(s) | 712 |
| Current Time | CDT |
ZIP Code 50527 Map
50527 Demographics
50527 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa. The majority race/ethnicity residing in 50527 is White. The current unemployment level in 50527 is 3.3%.
| Population | 106 |
| Population Growth Rate | -55.75% |
| Population Density | 2 People per Square Mile |
| Total Households | 96 |
| Median Household Income (2021) | $55,938 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 100% |
50527 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 127 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
50527 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 12 | 8.28% |
| Bachelor Degree | 25 | 17.24% |
| High School Diploma | 64 | 44.14% |
| No High School Diploma | 14 | 9.66% |
| GED or Alternate | 19 | 13.1% |
| 1 or More Years of College | 6 | 4.14% |
| Associates Degree | 5 | 3.45% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
50527 Geography
| Coordinates | 42.96286774, -94.79143524 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50527 | |
| Region | Sioux City Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 45 Square Miles |
50527 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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