Johnson County is a district of Iowa.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| City of Iowa City | Iowa City | 68 k |
| Township of Big Grove | no seat recorded | |
| Township of Cedar | no seat recorded | |
| Township of Clear Creek | no seat recorded | |
| Township of East Lucas | no seat recorded | |
| Township of Fremont | no seat recorded | |
| Township of Graham | no seat recorded | |
| Township of Hardin | no seat recorded | |
| Township of Jefferson | no seat recorded | |
| Township of Liberty | no seat recorded | |
| Township of Lincoln | no seat recorded | |
| Township of Madison | no seat recorded | |
| Township of Monroe | no seat recorded | |
| Township of Newport | no seat recorded | |
| Township of Oxford | no seat recorded | |
| Township of Penn | no seat recorded | |
| Township of Pleasant Valley | no seat recorded | |
| Township of Scott | no seat recorded | |
| Township of Sharon | no seat recorded | |
| Township of Union | no seat recorded | |
| Township of Washington | no seat recorded | |
| Township of West Lucas | no seat recorded |
Nothing has been written about Johnson County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Iowa City as the capital of Johnson County. If that is wrong, tell us what it should be and where you read it.
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