RepublicanNot in office · last served 2021Last on a ballot: Nov 2018

F. James Sensenbrenner, Jr.

Last held office: U.S. House, WI-5 (2003–2021). Ran in 26 elections between 1968 and 2018, winning 26.

Last office: U.S. House, WI-5Born 1943

Last margin: +24.0; Won 2018
Elections: 26; 1968–2018

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET

Career

Offices held, and every time Sensenbrenner was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

1968197219761980198419881992199620002004200820122016202020242028Wisconsin State Assembly, District MILWAUKEE 25Wisconsin State Assembly, District 10 Wisconsin State Senate, District 4U.S. House, WI-9U.S. House, WI-5Out of office

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Every race Sensenbrenner has run

Margin: how far Sensenbrenner finished ahead of (+) or behind (−) the runner-up.

Year	Office	Stage	Result	Opponents	Share	Margin	Raised
2018	U.S. House, WI-5	General	Won	Tom Palzewicz (D)	62%	R+24.0	$355.1K
2016	U.S. House, WI-5	General	Won	Khary Penebaker (D), John Arndt (L)	66.7%	R+37.4	$384.9K
2014	U.S. House, WI-5	General	Won	Chris Rockwood (D)	69.5%	R+39.1	$438.4K
2012	U.S. House, WI-5	General	Won	Dave Heaster (D)	67.7%	R+35.7	$554.9K
2010	U.S. House, WI-5	General	Won	Todd P. Kolosso (D), Robert R. Raymond (I)	69.4%	R+42.0	$419.1K
2008	U.S. House, WI-5	General	Won	Robert R. Raymond (I)	79.6%	R+59.4	$479.9K
2006	U.S. House, WI-5	General	Won	Bryan Kennedy (D), Bob Levis (G), Robert R. Raymond (I)	61.8%	R+26.1	$774.1K
2004	U.S. House, WI-5	General	Won	Bryan Kennedy (D), Tim Peterson (L)	66.6%	R+34.8	$806.7K
2002	U.S. House, WI-5	General	Won	Robert R. Raymond (I)	86.1%	R+72.8	$567.1K
2000	U.S. House, WI-9	General	Won	Mike Clawson (D)	74%	R+48.2	$501.2K
1998	U.S. House, WI-9	General	Won	Jeffrey M. Gonyo (I)	91.4%	R+82.9	$294.2K
1996	U.S. House, WI-9	General	Won	Floyd Brenholt (D)	74.4%	R+49.0	$321.7K
1994	U.S. House, WI-9	General	Won	Unopposed	99.8%	—	$229.6K
1992	U.S. House, WI-9	General	Won	Ingrid K. Buxton (D), David E. Marlow (I), Jeffrey Holt Millikin (L)	69.7%	R+41.7	$283.6K
1990	U.S. House, WI-9	General	Won	Unopposed	99.7%	—	$266.3K
1988	U.S. House, WI-9	General	Won	Thomas J. Hickey (D)	74.9%	R+49.8	$309.6K
1986	U.S. House, WI-9	General	Won	Thomas G. Popp (D)	78.2%	R+56.4	$175.7K
1984	U.S. House, WI-9	General	Won	John Krause (D), Stephen K. Hauser (CST)	73.4%	R+47.2	$236.2K
1982	U.S. House, WI-9	General	Won	Unopposed	99.9%	—	$141.5K
1980	U.S. House, WI-9	General	Won	Gary C. Benedict (D)	78.4%	R+56.8	$171.1K
1978	U.S. House, WI-9	General	Won	Matthew J. Flynn (D)	61.1%	R+22.3	—
1976	Wisconsin State Senate, District 4	General	Won	Unopposed	99.9%	—	—
1974	Wisconsin State Assembly, District 10	General	Won	Charles J. Sykes (D)	72.2%	R+44.4	—
1972	Wisconsin State Assembly, District 10	General	Won	Barbara Ulichny (D)	71.9%	R+43.8	—
1970	Wisconsin State Assembly, Milwaukee 25	General	Won	Margaret Rounseville (D)	73.4%	R+46.9	—
1968	Wisconsin State Assembly, Milwaukee 25	General	Won	Richard J. Regan (D)	70.3%	R+40.7	—

Source: 99chambers results archive

Campaign money, 2017–18

Raised: $355.1K
Spent: $482.4K
Cash: $355.1K

Source: FEC filings through Dec 31, 2018Updated Oct 8, 2026, 10:37 AM ET

Seats Sensenbrenner has held

U.S. House, WI-5 · 2003–2021
U.S. House, WI-9 · 1979–2003
Wisconsin State Senate, District 4 · 1976–1980
Wisconsin State Assembly, District 10 · 1972–1976
Wisconsin State Assembly, District MILWAUKEE 25 · 1968–1972

Source: 99chambers results archive

Who Sensenbrenner has run against

Tom Palzewicz (D) · 2018 election, won
Khary Penebaker (D) · 2016 election, won
Chris Rockwood (D) · 2014 election, won
Dave Heaster (D) · 2012 election, won
Todd P. Kolosso (D) · 2010 election, won
Robert R. Raymond (I) · 2008 election, won
Bryan Kennedy (D) · 2006 election, won
Mike Clawson (D) · 2000 election, won

Source: 99chambers results archive

How we know Sensenbrenner

One person, matched across every source we use.

Bioguide S000244
FEC H8WI09050
Wikidata Q952268
Ballotpedia Jim Sensenbrenner
Vote Smart 27142
GovTrack 400365
OpenSecrets N00004291

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET