Former member of Congress · last served 105th Congress

Dirk Kempthorne
Dirk Kempthorne was a Republican U.S. senator from Idaho, first elected to Congress in 1993, who sponsored 2 bills that became law (103rd–105th Congress).
How we count: “Broke with party” is a yes/no roll call where the member voted against most of their own party on that vote (party as recorded; even splits not counted). “Pork: own share” splits each earmark shared by several members evenly among them.
Recent votes
No recorded roll-call votes in PORKER’s records. Roll-call records start in 2011.
5 most recent bills
- S. 901 Endangered Species Habitat Protection Act of 1997Sep 30, 1998 · Sponsor introductory remarks on measure. (CR S11188-11189)
- S. 2512 Natural Resources Institute Act of 1998Sep 23, 1998 · Read twice and referred to the Committee on Environment and Public Works.
- S. 730 A bill to make retroactive the entitlement of certain Medal of Honor recipients to the special pension provided for persons entered and recorded on the Army…Sep 21, 1998 · Placed on Senate Legislative Calendar under General Orders. Calendar No. 591.
- S.Res. 201 A resolution to commemorate and acknowledge the dedication and sacrifice made by the men and women who have lost their lives while serving as law enforcement…May 12, 1998 · Resolution agreed to in Senate without amendment and with a preamble by Unanimous Consent. (consideration: CR S4747)
- S.Con.Res. 84 A concurrent resolution expressing the sense of Congress that the Government of Costa Rica should take steps to protect the lives of property owners in Costa…Mar 17, 1998 · Referred to the Committee on Foreign Relations.
Top bills sponsored
- S. 1 (104th) Unfunded Mandates Reform Act of 1995Became law
- S. 1316 (104th) Safe Drinking Water Act Amendments of 1996Became law
- S.Res. 79 (105th) A resolution to commemorate the 1997 National Peace Officers Memorial Day.Passed a chamber
- S.Res. 251 (104th) A resolution to commemorate and acknowledge the dedication and sacrifice by the men and women who have lost their lives while serving as law enforcement…Passed a chamber
- S.J.Res. 190 (103rd) A joint resolution to designate May 15, 1994, National Peace Officers Memorial Day.Passed a chamber
- S.Res. 77 (104th) A resolution to commemorate the 1995 National Peace Officers Memorial Day.Passed a chamber
- S. 993 (103rd) Federal Mandate Accountability and Reform Act of 1994Reported from committee
- S. 1180 (105th) Endangered Species Recovery Act of 1997Reported from committee
Laws first, then bills that passed a chamber, were reported from committee, or drew the most cosponsors.
Elections Sen. Kempthorne has won
Sen. Kempthorne has won 1 U.S. Senate election (1992). Of the contested races, margins ran from 13.0 to 13.0 points.
Full election history for this seat →
Source: MIT Election Data and Science Lab, U.S. House V15 / U.S. Senate V8 (CC0), retrieved 2026-10-18; winners matched to member records by seat and term. Results run through the 2024 elections; nothing from 2026 is shown until it is certified. A margin is a fact about one election, never a score of how well a member represents anyone, and PORKER does not rank members by it.
Official records on bills this member sponsored
105th Congress. What Congress.gov lists for the 8 bills sponsored.
| Record | Bills | Source |
|---|---|---|
| Bills sponsored | 8 | Source: Congress.gov member record, PORKER copy of October 26, 2026 ↗ See them → |
| With a CBO cost estimate listed | 2 | See the 2 → |
| With a committee report listed | 2 | See the 2 → |
Evidence
- How counted
- Bills where this member is the lead (first-listed) sponsor in the 105th Congress, read from the stored Congress.gov bill records
- Fields
- cboCostEstimates, committeeReports, constitutionalAuthorityStatementText, notes
- PORKER copy refreshed
- October 26, 2026 (nightly)
Read this first. These are counts of records Congress.gov lists. Many bills never get a CBO estimate or a report, so a zero is not a mark against a member. We never show this as a score.
Data as of Oct 26, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.