Staggered Senate
Senators serve terms of two or four years in a set pattern each decade, so a different share of the seats is on the ballot each election: 39 of 59 in 2026.
Illinois › Illinois State Senate · November 3, 2026 · Updated Oct 16, 2026
Illinois Legislative District 11
Mike Porfirio has no major-party opponent.
Mike Porfirio has no major-party opponent.
How this race is decided
The candidates
DemocraticIncumbent
Mike Porfirio
- Experience
- State legislature
The district
Lean D+23: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 226,686
- People per km²
- 2,579
- Adults with a B.A.+
- 24%
- White, no degree
- 25%of adults
- White 31%
- Hispanic 62%
- Black 3%
- Asian 2%
- Other / multiracial 1%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024 President Vote in this district
71,755 two-party votes · D+18.7 · D+20.2 vs. the nation✓ Kamala Harris (D)59.3%
Donald Trump (R)40.7%
2022
44,558 votes · D+32.3✓ Mike Porfirio (D)66.2%
Thomas McGill (R)33.8%
2020 Earlier district lines
58,901 votes · Uncontested by the other party✓ Celina Villanueva (D)79.3%
Mary Ellen Brown (—)20.2%
2020 President Vote in this district
79,775 two-party votes · D+35.7 · D+31.2 vs. the nation✓ Joe Biden (D)67.9%
Donald Trump (R)32.1%
2018 Earlier district lines
39,158 votes · Uncontested by the other party✓ Martin A Sandoval (D)100.0%
2016 President Vote in this district
73,662 two-party votes · D+42.2 · D+39.9 vs. the nation✓ Hillary Clinton (D)71.1%
Donald Trump (R)28.9%