Decatur County, Iowa ZIP codes
7 ZIP codes are in Decatur County, plus 4 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 7,497
- Avg. median income
- $58,600population-weighted
- Cities & towns
- 7
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ZIP codes in Decatur County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 50065 | Davis City | 517 | $49,423 | $182,300 |
| 50067 | Decatur | 354 | $43,750 | $187,100 |
| 50103 | Garden Grove | 453 | $64,063 | $207,200 |
| 50108 | Grand River | 376 | $38,125 | $199,600 |
| 50140 | Lamoni | 2,842 | $57,443 | $166,700 |
| 50144 | Leon | 2,692 | $63,333 | $153,000 |
| 50262 | Van Wert | 263 | $81,875 | $174,600 |
ZIP codes partly in Decatur County
These ZIP codes are mostly in a neighboring county but cover part of Decatur County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50123 | Humeston | Wayne County | 883 | $62,500 | $125,900 |
| 50133 | Kellerton | Ringgold County | 528 | $58,375 | $99,300 |
| 50147 | Lineville | Wayne County | 463 | $38,281 | $132,600 |
| 50264 | Weldon | Clarke County | 502 | $64,545 | $222,000 |
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 Decatur County
Nearby counties
Frequently asked questions
How many ZIP codes are in Decatur County, Iowa?
7 ZIP codes are mainly in Decatur County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Decatur County?
ZIP codes in Decatur County use the city names Davis City, Decatur, Garden Grove, Grand River, Lamoni, Leon and Van Wert.