Floyd County, Iowa ZIP codes
7 ZIP codes are in Floyd County, plus 6 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 15,044
- Avg. median income
- $72,800population-weighted
- Cities & towns
- 7
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Floyd County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 50435 | Floyd | 713 | $71,156 | $205,700 |
| 50458 | Nora Springs | 2,094 | $99,643 | $194,500 |
| 50468 | Rockford | 1,617 | $73,403 | $207,300 |
| 50471 | Rudd | 740 | $93,542 | $168,800 |
| 50616 | Charles City | 9,358 | $64,830 | $146,400 |
| 50620 | Colwell | 36 | — | $102,800 |
| 50653 | Marble Rock | 486 | $79,250 | $179,500 |
ZIP codes partly in Floyd County
These ZIP codes are mostly in a neighboring county but cover part of Floyd County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50433 | Dougherty | Cerro Gordo County | 157 | $69,167 | $227,400 |
| 50460 | Orchard | Mitchell County | 688 | $77,083 | $327,400 |
| 50461 | Osage | Mitchell County | 5,228 | $68,886 | $205,300 |
| 50636 | Greene | Butler County | 2,186 | $70,066 | $170,000 |
| 50645 | Ionia | Chickasaw County | 1,193 | $64,408 | $257,200 |
| 50658 | Nashua | Chickasaw County | 2,450 | $71,936 | $192,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Floyd County
Nearby counties
Frequently asked questions
How many ZIP codes are in Floyd County, Iowa?
7 ZIP codes are mainly in Floyd County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Floyd County?
ZIP codes in Floyd County use the city names Charles City, Colwell, Floyd, Marble Rock, Nora Springs, Rockford and Rudd.