ZIP Code 52301 - Marengo Iowa
Overview
ZIP Code 52301 is located in Marengo Iowa. Portions of 52301 are also in South Amana and Conroy and Ladora and West Amana and Washington Township (Iowa County) and Sumner Township (Iowa County) and Marengo Township and Hilton Township and Honey Creek Township (Iowa County) and St. Clair Township (Benton County) and Pilot Township (Iowa County). 52301 is primarily within Iowa County, with some portions in Benton County. Regionally, 52301 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
ZIP Code 52301 Quick Stats
| ZIP Code Name | Marengo |
| Primary County | Iowa County |
| ZIP Code Type | Standard |
| Population (2022) | 4,099 |
| Area Code(s) | 319 |
| Current Time | CDT |
ZIP Code 52301 Map
52301 Demographics
52301 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 52301 is White. The majority race/ethnicity attending public schools in 52301 is White. The current unemployment level in 52301 is 3.3%.
| Population | 4,099 |
| Population Growth Rate | 0% |
| Population Density | 29 People per Square Mile |
| Total Households | 1,663 |
| Percentage High Income Households | 1.6% |
| Median Household Income (2021) | $62,188 |
| Average Adjusted Gross Income (2021) | $332,260 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7% |
| Majority Race/Ethnicity | White - 96.96% |
| Public School Majority Race/Ethnicity | White - 90.78% |
52301 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 3,726 | 96.96% |
| Black | 8 | 0.21% |
| Hispanic | 92 | 2.39% |
| Asian | 13 | 0.34% |
| Native American | 4 | 0.1% |
| Hawaiian/Pac. Islander | 0 | 0% |
52301 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 502 | 92.62% |
| Black | 4 | 0.74% |
| Hispanic | 35 | 6.46% |
| Asian | 1 | 0.18% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
52301 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 262 | 10.61% |
| Bachelor Degree | 258 | 10.45% |
| High School Diploma | 1,093 | 44.27% |
| No High School Diploma | 20 | 0.81% |
| GED or Alternate | 151 | 6.12% |
| 1 or More Years of College | 383 | 15.51% |
| Associates Degree | 246 | 9.96% |
| Masters Degree | 52 | 2.11% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 4 | 0.16% |
52301 Geography
| Coordinates | 41.78594589, -92.08433533 |
| Adjacent ZIP Codes | |
| Cities/Towns in 52301 | |
| Region | Cedar Rapids-Waterloo-Iowa City and Dubuque Area |
| Metropolitan/Micropolitan Stat Area | Cedar Rapids, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 144 Square Miles |
52301 Weather and Climate Data
| 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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