Johnson County, Iowa ZIP codes
15 ZIP codes are in Johnson County, plus 11 that cross in from neighboring counties. It's part of the Iowa City, IA metro area.
- ZIP codes
- 15
- Population in these ZIPs
- 159,873
- Avg. median income
- $77,300population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Johnson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 52235 | Hills | 974 | $83,333 | $241,300 |
| 52240 | Iowa City | 35,074 | $52,960 | $277,200 |
| 52241 | Coralville | 23,250 | $69,243 | $261,300 |
| 52242 | Iowa City | 4,688 | — | — |
| 52243 PO Box | Iowa City | — | — | — |
| 52244 PO Box | Iowa City | — | — | — |
| 52245 | Iowa City | 22,853 | $78,020 | $323,500 |
| 52246 | Iowa City | 22,308 | $62,521 | $304,100 |
| 52247 | Kalona | 5,914 | $91,450 | $324,400 |
| 52317 | North Liberty | 23,097 | $105,318 | $310,500 |
| 52322 | Oxford | 2,266 | $64,444 | $368,700 |
| 52333 | Solon | 7,295 | $118,721 | $450,300 |
| 52338 | Swisher | 3,934 | $119,605 | $468,600 |
| 52340 | Tiffin | 6,128 | $98,393 | $346,600 |
| 52755 | Lone Tree | 2,092 | $102,434 | $251,200 |
ZIP codes partly in Johnson County
These ZIP codes are mostly in a neighboring county but cover part of Johnson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 52203 | Amana | Iowa County | 2,231 | $101,950 | $271,400 |
| 52227 | Ely | Linn County | 2,996 | $120,230 | $375,800 |
| 52228 | Fairfax | Linn County | 3,802 | $118,125 | $338,200 |
| 52253 | Lisbon | Cedar County | 2,622 | $104,821 | $311,800 |
| 52325 | Parnell | Iowa County | 477 | $75,714 | $312,000 |
| 52327 | Riverside | Washington County | 3,796 | $86,942 | $353,300 |
| 52356 | Wellman | Washington County | 2,664 | $57,321 | $254,200 |
| 52358 | West Branch | Cedar County | 3,598 | $91,686 | $299,300 |
| 52404 | Cedar Rapids | Linn County | 42,958 | $61,870 | $205,800 |
| 52766 | Nichols | Muscatine County | 677 | $61,865 | $203,700 |
| 52776 | West Liberty | Muscatine County | 5,090 | $79,665 | $237,700 |
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 Johnson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Johnson County, Iowa?
15 ZIP codes are mainly in Johnson County, and 11 more ZIP codes from neighboring areas reach partly into it.
What cities are in Johnson County?
ZIP codes in Johnson County use the city names Coralville, Hills, Iowa City, Kalona, Lone Tree, North Liberty, Oxford, Solon, Swisher and Tiffin.
What metro area is Johnson County in?
Johnson County is part of the Iowa City, IA metropolitan statistical area.