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 20
Graciela Guzmán has no major-party opponent.
Graciela Guzmán has no major-party opponent.
How this race is decided
The candidates
DemocraticIncumbent
Graciela Guzmán
- Experience
- State legislature
The district
Lean D+65: 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
- 203,542
- People per km²
- 7,288
- Adults with a B.A.+
- 48%
- White, no degree
- 12%of adults
- White 38%
- Hispanic 48%
- Black 4%
- Asian 6%
- Other / multiracial 4%
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
76,084 votes · D+62.5✓ Graciela Guzman (D)81.2%
Jason Proctor (R)18.8%
2024 President Vote in this district
75,380 two-party votes · D+63.5 · D+65.0 vs. the nation✓ Kamala Harris (D)81.7%
Donald Trump (R)18.3%
2022
52,136 votes · D+72.5✓ Cristina Pacione-Zayas (D)86.3%
Patrycja Karlin (R)13.7%
2020 President Vote in this district
86,083 two-party votes · D+70.8 · D+66.2 vs. the nation✓ Joe Biden (D)85.4%
Donald Trump (R)14.6%
2018 Earlier district lines
55,151 votes · Uncontested by the other party✓ Iris Y Martinez (D)100.0%
2016 President Vote in this district
73,824 two-party votes · D+76.1 · D+73.9 vs. the nation✓ Hillary Clinton (D)88.1%
Donald Trump (R)11.9%