ZIP Code 52140 is located in Dorchester Iowa. Portions of 52140 are also in Waterloo Township and Hanover Township (Allamakee County) and Union City Township and French Creek Township and Highland Township (Winneshiek County). 52140 is primarily within Allamakee County, with some portions in Winneshiek County. Regionally, it is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
| ZIP Code Name | Dorchester |
| Primary County | Allamakee County |
| ZIP Code Type | Standard |
| Population (2022) | 453 |
| Area Code(s) | 563 |
| Current Time | CDT |
| Population | 453 |
| Population Growth Rate | 0.00% |
| Population Density | 6 People per Square Mile |
| Total Households | 277 |
| Percentage High Income Households | 1.4% |
| Average Adjusted Gross Income (2020) | $60,780 |
| Current Unemployment Rate (April 2024) | 2.8% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 436 | 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 | 25 | 6.94% |
| Bachelor Degree | 52 | 14.44% |
| High School Diploma | 175 | 48.61% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 11 | 3.06% |
| 1 or More Years of College | 61 | 16.94% |
| Associates Degree | 26 | 7.22% |
| Masters Degree | 10 | 2.78% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 43.44166565,-91.52584076 |
| Adjacent ZIP Codes | |
| Cities/Towns in 52140 | |
| Region | Cedar Rapids-Waterloo-Iowa City and Dubuque Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 77 Square Miles |
| US Congressional Districts in 52140 | |
| Iowa State Senate Districts in 52140 | |
| Iowa State House of Representatives Districts in 52140 |
| School Districts in 52140 |
| Plant Hardiness Zone | Zone 4b: -25F to -20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 52b - Paleozoic Plateau/Coulee Section | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||