Jasper County, Iowa ZIP codes
12 ZIP codes are in Jasper County, plus 9 that cross in from neighboring counties. It's part of the Des Moines-West Des Moines, IA metro area.
- ZIP codes
- 12
- Population in these ZIPs
- 36,414
- Avg. median income
- $72,200population-weighted
- Cities & towns
- 12
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Jasper County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 50028 | Baxter | 1,981 | $72,022 | $270,800 |
| 50054 | Colfax | 3,166 | $89,940 | $235,800 |
| 50127 | Ira | 10 | — | — |
| 50135 | Kellogg | 1,754 | $65,250 | $224,200 |
| 50137 | Killduff | 114 | — | $187,500 |
| 50153 | Lynnville | 890 | $73,798 | $292,800 |
| 50168 | Mingo | 826 | $113,750 | $328,200 |
| 50170 | Monroe | 3,024 | $88,704 | $259,200 |
| 50208 | Newton | 20,595 | $62,306 | $203,500 |
| 50228 | Prairie City | 2,120 | $90,833 | $268,300 |
| 50232 | Reasnor | 569 | $87,667 | $245,000 |
| 50251 | Sully | 1,365 | $91,061 | $261,500 |
ZIP codes partly in Jasper County
These ZIP codes are mostly in a neighboring county but cover part of Jasper County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 50055 | Collins | Story County | 1,102 | $85,278 | $272,700 |
| 50106 | Gilman | Marshall County | 1,163 | $101,193 | $257,600 |
| 50112 | Grinnell | Poweshiek County | 11,862 | $67,078 | $222,900 |
| 50141 | Laurel | Marshall County | 587 | $77,500 | $243,600 |
| 50161 | Maxwell | Polk County | 2,296 | $98,519 | $326,500 |
| 50162 | Melbourne | Marshall County | 1,164 | $71,417 | $242,500 |
| 50169 | Mitchellville | Polk County | 3,667 | $83,938 | $277,400 |
| 50234 | Rhodes | Marshall County | 559 | $78,750 | $246,800 |
| 50237 | Runnells | Polk County | 3,635 | $101,806 | $434,900 |
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 Jasper County
Nearby counties
Frequently asked questions
How many ZIP codes are in Jasper County, Iowa?
12 ZIP codes are mainly in Jasper County, and 9 more ZIP codes from neighboring areas reach partly into it.
What cities are in Jasper County?
ZIP codes in Jasper County use the city names Baxter, Colfax, Ira, Kellogg, Killduff, Lynnville, Mingo, Monroe, Newton, Prairie City, Reasnor and Sully.
What metro area is Jasper County in?
Jasper County is part of the Des Moines-West Des Moines, IA metropolitan statistical area.