Zip Code 52742 — De Witt, IA
52742 is a ZIP Code associated with De Witt, IA, located within Clinton. 52742 ranks #2 out of 15 ZIP codes in Clinton County by population (and #108 out of 970 in IA). The area supports an estimated population of 7,284 residents across Data Pending housing units, with a population density of 24.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.836160, -90.510760)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 52742 |
| Primary City | De Witt |
| State / Province | IA |
| County | Clinton |
| Total Population | 7,284 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 24.0 people/sq mi |
| Timezone | America/Chicago |
How 52742 Compares
| Metric | ZIP 52742 | Clinton County | IA State Average |
|---|
| Population | 7,284 | 45,809 (Total) | 3,210,984 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 24.0 /sq mi | -- | -- |
| County Pop Rank | #2 of 15 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →