Iowa State Senate seat · lines in effect since 2022

Iowa Senate District 39

A district of about 60,000 people, 30% of adults with a bachelor's degree. It votes D+24.6 relative to the nation for president.

Where it sits among all 50 seats

Every Iowa State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+24.66th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 39

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222026
Iowa State SenateD+29.7D+41.4

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Iowa Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 50 seats. Small marks are other seats in Iowa. The black marker is District 39.

Adults with a bachelor's degree30% 65th pct · 18th of 50 in IA

Higher than 65% of seats.

White adults without a degree57% 41st pct · 30th of 50 in IA

Lower than 59% of seats.

Hispanic residents5% 47th pct · 27th of 50 in IA

Lower than 53% of seats.

Black residents10% 90th pct · 6th of 50 in IA

Higher than 90% of seats.

Asian residents1% 18th pct · 41st of 50 in IA

Lower than 82% of seats.

People per square mile1,022 71st pct · 15th of 50 in IA

Denser than 71% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Liz Bennett (D)
    2023– · Won 2022 by 29.7, 2026 by 41.4

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