Polk County, Iowa
What we have for Polk County today, and what is coming.
Basics
- County code (FIPS): 19153
- Land area: 573 square miles
- Population: 492,401
Federal money spent here
Fiscal year 2026: $3.9 billion in federal contracts, grants, loans and other awards for work done in Polk County.
Who represents Polk 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 3 | Zachary Nunn (Republican) | 100% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 23 | Jack Whitver (Republican) | 58% |
| State Senate District 20 | Mike Pike (Republican) | 10.3% |
| State Senate District 22 | Matt Blake (Democratic) | 8.1% |
| State Senate District 15 | Tony Bisignano (Democratic) | 6.7% |
| State Senate District 16 | Renee Hardman (Democratic) | 5.7% |
| State Senate District 21 | Mike Bousselot (Republican) | 5.3% |
| State Senate District 18 | Janet Petersen (Democratic) | 3.4% |
| State Senate District 17 | Izaah Knox (Democratic) | 2.5% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 45 | Brian Lohse (Republican) | 56.1% |
| State House District 40 | Bill Gustoff (Republican) | 6.5% |
| State House District 43 | Eddie Andrews (Republican) | 5.4% |
| State House District 29 | Brian Meyer (Democratic) | 3.9% |
| State House District 31 | Mary Madison (Democratic) | 3.9% |
| State House District 39 | Rick Olson (Democratic) | 3.8% |
| State House District 30 | Megan Srinivas (Democratic) | 2.9% |
| State House District 42 | Heather Matson (Democratic) | 2.8% |
| State House District 44 | Larry McBurney (Democratic) | 2.7% |
| State House District 41 | Ryan Weldon (Republican) | 2.6% |
| State House District 36 | Austin Baeth (Democratic) | 2% |
| State House District 46 | Dan Gehlbach (Republican) | 1.9% |
| State House District 32 | Jennifer Konfrst (Democratic) | 1.8% |
| State House District 35 | Sean Bagniewski (Democratic) | 1.4% |
| State House District 33 | Ruth Ann Gaines (Democratic) | 1.3% |
| State House District 34 | Rob Johnson (Democratic) | 1.1% |
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.