Head-to-head

CASTEN, SEAN vs DUENSING, SKYLAR

Same race2-way comparison

Side-by-side party, office, state, district, and FEC totals from the FEC. Read our methodology for how we collect and verify this data.

Candidate A

CASTEN, SEAN

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Democratic candidate for U.S. House — IL-06

Totals as of March 31, 2026.

Candidate B

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Republican candidate for U.S. House — IL-06

Totals as of March 31, 2026.

Attribute	Candidate ACASTEN, SEANSwapRemoveDemocratic · U.S. HouseIL-06IncumbentSource: FEC	Candidate BDUENSING, SKYLARSwapRemoveRepublican · U.S. HouseIL-06Source: FEC
Sourced facts
Legal name	CASTEN, SEAN	DUENSING, SKYLAR
Party	Democratic	Republican
Office sought	U.S. House	U.S. House
State	Illinois	Illinois
District	IL-06	IL-06
Incumbency	Incumbent	Challenger / Open seat
FEC candidate ID	H8IL06139	H6IL06182
Campaign financials (2026)
Total receipts	$1,794,624	$11,488
Total disbursements	$1,307,540	$11,221
Cash on hand	$1,181,227	$266
Debts owed	$455,694	$0
Individual contributions	$1,162,485	$11,365
PAC contributions	$593,650	$0
Party transfers	$33	$0
Self-financing	$0	$0
Last filing	March 31, 2026	March 31, 2026
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