Zip Code 50538 — Farnhamville, IA
50538 is a ZIP Code associated with Farnhamville, IA, located within Calhoun. 50538 ranks #5 out of 10 ZIP codes in Calhoun County by population (and #604 out of 970 in IA). The area supports an estimated population of 661 residents across Data Pending housing units, with a population density of 7.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (42.284220, -94.430240)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 50538 |
| Primary City | Farnhamville |
| State / Province | IA |
| County | Calhoun |
| Total Population | 661 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 7.2 people/sq mi |
| Timezone | America/Chicago |
How 50538 Compares
| Metric | ZIP 50538 | Calhoun County | IA State Average |
|---|
| Population | 661 | 10,375 (Total) | 3,210,984 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 7.2 /sq mi | -- | -- |
| County Pop Rank | #5 of 10 | -- | -- |
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 →