Races › State Senate

State Senator District 36

March 17, 2026 primary: each party's primary · the general

The district

214,332people

$63,133median household incomeIllinois: $83,390

$134,000median home valueIllinois: $263,300

68%of homes lived in by their ownerIllinois: 67%

24%of adults with a bachelor's degree or moreIllinois: 38%

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024), on the district lines in use since 2022.

Candidate	Votes	Raised	Their own	Spent	Cash on hand	Large since last report
Democratic primary
Michael W Halpin Dincumbent✓ nominee	14,532 100%	$1,330,101	—	$491,303	$875,350	$596,324
Republican primary
Brad Beekman R✓ nominee	5,421 53.3%	$75,611	—	$46,712	$3,720	$28,300
Patrick Harlan R	4,759 46.8%	$32,889	—	$18,174	$7,132	—

Raised: itemized contributions to the candidate's committees since January 1, 2025. Their own: contributions and loans in the candidate's name. Cash on hand: at the end of the committees' latest quarterly report (September 30, 2026). Large since last report: $1,000-plus contributions reported on A-1s since that report (included in Raised).

Votes: official totals from the State Board of Elections; the share is of the votes cast in that party's primary.

Donors to more than one candidate here

1 donor gave to two or more of this race's candidates (all their contributions to each since January 1, 2025).

Donor	Gave to	In this race
Fueling Illinois PAC Group or PAC · Springfield	Michael W Halpin $500 · Patrick Harlan $500	$1,000