Congressional district · Boundaries of the 119th Congress
Iowa's 3rd district
Iowa's 3rd district has 816,359 residents on 10,673 mi² of land. It is represented by Zachary Nunn (R-IA-3). Federal contract obligations attributed to it reached $140.1M in FY2026.
- Residents
- 816,359
- Land area
- 10,673 mi²
- Counties
- 21
- Representative
- Zachary Nunn
Members for this district
Members who held this seat while these boundaries were in force, newest first.
Senators
The state's senators today, or on the last day of these boundaries for an older plan.
Joni ErnstR-IA
Chuck GrassleyR-IA
Counties
Share of the district's residents living in each county, and share of the county's residents living in the district (2020 census tracts weighted by their overlap).
- Polk County62% of the district · 100% of the county
- Dallas County13% of the district · 100% of the county
- Wapello County4.3% of the district · 100% of the county
- Madison County2.1% of the district · 100% of the county
- Page County1.9% of the district · 100% of the county
- Cass County1.6% of the district · 100% of the county
- Appanoose County1.5% of the district · 100% of the county
- Union County1.5% of the district · 100% of the county
- Guthrie County1.3% of the district · 100% of the county
- Montgomery County1.3% of the district · 100% of the county
- Clarke County1.2% of the district · 100% of the county
- Davis County1.1% of the district · 100% of the county
- Lucas County1.1% of the district · 100% of the county
- Greene County1.1% of the district · 100% of the county
- Decatur County1.0% of the district · 100% of the county
- Monroe County0.9% of the district · 100% of the county
- Adair County0.9% of the district · 100% of the county
- Wayne County0.8% of the district · 100% of the county
- Taylor County0.7% of the district · 100% of the county
- Ringgold County0.6% of the district · 100% of the county
- Adams County0.4% of the district · 100% of the county
Federal contracts
Contract obligations attributed to the district by each action's county and its award's ZIP code (land shares through census tracts); an estimate where ZIP codes cross district lines.
- Obligations · FY2026
- $140.1M
- Per resident
- $172
- Rank in Iowa
- 4 of 4
- Contract actions
- 18.2K
- New awards: 17.7K
By fiscal year
- 162.5MFY2017
- 152.5MFY2018
- 162.6MFY2019
- 250.4MFY2020
- 181.9MFY2021
- 161.7MFY2022
- 280.9MFY2023
- 174MFY2024
- 249.1MFY2025
- 140.1MFY2026
Top buyers
- Federal Acquisition Service$33.9M24%General Services Administration
- Department of Veterans Affairs$25.6M18%
- Department of the Air Force$20.7M15%Department of Defense
- Defense Logistics Agency$14M10.0%Department of Defense
- Department of the Army$10.3M7.3%Department of Defense
- Department of Health and Human Services
- Department of Labor
- Department of Justice
Top recipients
- FLEETSIDE FORD, LLC.$33.9M24%326 awards
- HII MISSION TECHNOLOGIES CORP$11.2M8.0%1 award
- LOFFREDO GARDENS, INC$10.6M7.6%16,995 awards
- AMENTUM SERVICES, INC.$9M6.4%2 awards
- 1 award
- ARMSTRONG ELEVATOR COMPANY$7.5M5.3%1 award
- FEDPATH SOLUTIONS LLC$6.4M4.5%3 awards
- SDV OFFICE SYSTEMS LLC$3.7M2.6%1 award
- EPATHUSA, INC.$3.5M2.5%2 awards
- ADVANCED TECHNOLOGIES GROUP LLC$3.2M2.2%15 awards
Other boundaries
District lines change between plans; each plan keeps its own page.
Sources and method
Every figure on this page traces to these records.
- Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
- ZIP code (ZCTA) to congressional district crosswalk (U.S. Census Bureau)U.S. Census Bureau, 2020 relationship files (ZCTAs, tracts and congressional districts); shares computed by Analisa · release 2020 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Money and votes are shown side by side; neither explains the other.