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Senate District 20

Every race for this seat since 2018, with campaign money →

Your legislator’s votes and bills, plus elections and changes for this seat. Switches to the new member automatically.

Represented by

Sen. Mike Pike Republican · Polk

Flipped This seat changed from D to R in the election before the 91st General Assembly.

Members elected in November 2026 take office when the 92nd General Assembly convenes on Monday, January 11, 2027. Funnel will show them here once the Legislature publishes the new roster.

Registered voters

36,978 active voters, November 2026. Democrats lead by 710.

November 2026November 2025June 2022
Republican12,070 32.6%11,579 32.8%10,666 30.2%
Democratic12,780 34.6%11,771 33.3%13,465 38.2%
No party11,794 31.9%11,631 32.9%10,759 30.5%
Other parties334 0.9%361 1.0%377 1.1%

Active registrations from the Secretary of State’s monthly totals (Iowa Data Hub); a Senate district is two House districts. Inactive registrations (about 14.3% of the total) aren’t counted.

Who lives here

  • People
    2.1% of Iowans
    67,817
  • Median household income
    Iowa: $75,501
    $76,518
  • Median age
    Iowa: 39.0
    36.2
  • Adults with a bachelor’s degree or more
    Iowa: 32.1%
    28.2%
  • Below the poverty line
    Iowa: 11.3%
    11.5%
  • Homes lived in by their owners
    Iowa: 71.3%
    71.7%

U.S. Census Bureau, ACS 2024 5-year estimates (via Census Reporter). Survey estimates have margins of error, larger for small groups.

Who has held this seat

Since the 90th General Assembly (2023), the first elected under the district maps drawn in 2021. Earlier districts with this number covered different areas.

91st General Assembly
Mike Pike Republican
522 votes cast · 3% missed · 3 against party
90th General Assembly
Nate Boulton Democrat
456 votes cast · 0% missed · 17 against party