Johnson County, Iowa
What we have for Johnson County today, and what is coming.
Basics
- County code (FIPS): 19103
- Land area: 613 square miles
- Population: 152,854
Federal money spent here
Fiscal year 2026: $1.1 billion in federal contracts, grants, loans and other awards for work done in Johnson County.
Who represents Johnson County
U.S. Senate (whole state): Joni Ernst (Republican), Chuck Grassley (Republican).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 1 | Mariannette Miller-Meeks (Republican) | 100% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 46 | Dawn Driscoll (Republican) | 75.1% |
| State Senate District 43 | Zach Wahls (Democratic) | 21.2% |
| State Senate District 45 | Janice Weiner (Democratic) | 3.7% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 91 | Judd Lawler (Republican) | 38.4% |
| State House District 92 | Heather Hora (Republican) | 36.7% |
| State House District 85 | Amy Nielsen (Democratic) | 18.4% |
| State House District 86 | Dave Jacoby (Democratic) | 2.9% |
| State House District 89 | Elinor Levin (Democratic) | 2.2% |
| State House District 90 | Adam Zabner (Democratic) | 1.5% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Coming next for counties: county commission meetings and agendas, county budgets, local ballot measures and election results. We add each one as soon as a public, reliable feed exists for it. Know a good source? Tell us.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.