Current Iowa U.S. Senators
As of 2025, Iowa’s two U.S. senators are Chuck Grassley and Joni Ernst, both Republicans. Grassley has served in the Senate since 1981 and is the senior senator; Ernst was elected in 2014 and is the junior senator. The table below summarizes key verified details about their Senate service and contact options.
| Senator | Party | Senate Tenure | Previous Elected Office | Official Contact |
|---|---|---|---|---|
| Chuck Grassley | Republican | January 3, 1981 – present | U.S. Representative (IA-3, 1975–1981) | https://www.grassley.senate.gov |
| Joni Ernst | Republican | January 3, 2015 – present | Iowa State Senator (2011–2014) | https://www.ernst.senate.gov |
Office Locations and General Inquiries
Each senator maintains district offices across Iowa and a Washington, D.C. office. Constituents can reach out via phone, mail, or web forms for assistance with federal agencies or policy questions. Visiting hours and appointment procedures vary by location.
Senate Committees and Leadership Roles
Senators typically serve on multiple committees and subcommittees that shape legislation and oversight. Grassley has chaired major committees including the Senate Judiciary Committee and the Senate Finance Committee. Ernst has served on panels such as the Agriculture Committee and the Environment and Public Works Committee. Committee work influences budget, trade, health care, and environmental policy.
Grassley’s Committee and Subcommittee Assignments
Grassley has historically held seats on the following key committees: Finance (chair), Judiciary, Agriculture, Nutrition, and Forestry. His subcommittee roles have included leadership within the Senate Finance Subcommittee on Health Care and the Judiciary Subcommittee on Crime and Terrorism.
Ernst’s Committee and Subcommittee Assignments
Ernst’s committee work has centered on agriculture, environment, and veterans’ affairs. She has served on the Agriculture, Nutrition, and Forestry Committee; the Environment and Public Works Committee; and the Veterans’ Affairs Committee. Subcommittees have included Agriculture, Nutrition, and Forestry subcommittees relevant to Iowa’s farming communities.
Policy Priorities and Key Votes
Both senators generally align with Republican policy goals, emphasizing tax policy, health care reform, agriculture trade, and border security. They have voted on major legislation covering budget reconciliation, Supreme Court confirmations, infrastructure, and defense authorizations. Constituents can review roll call votes on Congress.gov to see how each senator has weighed in on specific issues.
Notable Legislative Initiatives
- Support for farm bill provisions affecting commodity programs and conservation.
- Oversight and appropriations for federal agencies regulating agriculture and the environment.
- Veterans’ benefits and health care access enhancements through the VA.
- Judiciary matters including Supreme Court confirmations and federal nominations.
How Iowans Can Engage
Iowa residents can contact senators’ offices by phone, mail, or through online forms. Town hall meetings and listening sessions are typically held in communities across the state, often announced via newsletters and social media. Staying informed through official websites and constituent newsletters helps Iowans track visits, votes, and local outreach.
Grassley: Contact and Constituent Services
Grassley’s Iowa offices are typically located in Des Moines and other key communities, with a main Washington address. His website provides forms for constituent inquiries, updates on federal grants, and event schedules for in-person visits.
Ernst: Contact and District Outreach
Ernst maintains offices across Iowa, including in Council Bluffs and other regional centers. Her team offers assistance with military and veterans’ issues, agricultural inquiries, and federal program questions. Event calendars and newsletter sign-ups are available through her official site.
Tenure and Electoral History
Grassley has been in continuous Senate service since 1981, making him one of Iowa’s longest-serving lawmakers. Ernst was first elected in 2014 and was subsequently reelected, reflecting strong statewide support. Understanding past election cycles provides context for their policy influence.