Iowa State Senate District 48
Next vote Tue, Nov 3, 2026 · Represented by Mark Lofgren Republican · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Mark Lofgren (Republican) won by 31.5 points, 2024
More about this seat
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
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History (15 elections for this seat)
- Votes for listed candidates
- 30,081
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Iowa Senate District 48, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanMark LofgrenWon Republican 19,75565.7% DemocraticJohn Dabeet Democratic 10,28134.2% Scattered write-ins Write-in 450.1% - Votes for listed candidates
- 34,628
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Iowa Senate District 48, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanDan ZumbachWon(incumbent) Republican 22,54465.1% DemocraticEric Green Democratic 12,05034.8% Scattered write-ins Write-in 340.1% - Votes for listed candidates
- 31,905
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Iowa Senate District 48, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanDan ZumbachWon(incumbent) Republican 20,06562.9% DemocraticScott Peterson Democratic 10,59633.2% LibertarianBrian W. Cook Libertarian 1,2323.9% Scattered write-ins Write-in 120.0% - Votes for listed candidates
- 32,290
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Iowa Senate District 48, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanDan ZumbachWon Republican 16,41550.8% DemocraticNate Willems Democratic 15,85849.1% Scattered write-ins Write-in 170.1% - Votes for listed candidates
- 26,948
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Iowa Senate District 48, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanKim ReynoldsWon Republican 14,27453.0% DemocraticRuth Smith Democratic 11,65343.2% IndependentRodney Schmidt Independent 1,0213.8% - Votes for listed candidates
- 27,757
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Iowa Senate District 48, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanJeff AngeloWon(incumbent) Republican 14,98154.0% DemocraticSteve Waterman Democratic 12,77646.0% - Votes for listed candidates
- 23,666
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Iowa Senate District 48, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanSandra H. GreinerWon Republican 16,56570.0% DemocraticWilliam E. Kuntz Democratic 7,10130.0% - Votes for listed candidates
- 21,931
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Iowa Senate District 48, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanH. Kay HedgeWon(incumbent) Republican 15,32569.9% DemocraticJohn A. Peterson Democratic 6,60630.1% - Votes for listed candidates
- 15,529
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Iowa Senate District 48, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanH. Kay HedgeWon(incumbent) Republican 15,529100.0% - Votes for listed candidates
- 19,618
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Iowa Senate District 48, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticC. William HutchinsWon(incumbent) Democratic 13,81070.4% RepublicanJim Rosmanbakehouse Republican 5,80729.6% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 13,645
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Iowa Senate District 48, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticC. William HutchinsWon(incumbent) Democratic 13,642100.0% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 23,783
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Iowa Senate District 48, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanJames E. BrilesWon(incumbent) Republican 12,59052.9% DemocraticDave Schweers Democratic 11,18947.0% Scattered write-ins Write-in 40.0% - Votes for listed candidates
- 24,112
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Iowa Senate District 48, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanJames E. BrilesWon(incumbent) Republican 14,37259.6% DemocraticForrest C. Teig Democratic 9,73940.4% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 24,309
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Iowa Senate District 48, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanJames E. BrilesWon(incumbent) Republican 16,90569.5% DemocraticVarel Dodge Democratic 7,40430.5% - Votes for listed candidates
- 16,995
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1969)
Iowa Senate District 48, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanMarvin W. SmithWon Republican 10,58162.3% DemocraticH. Kenneth Nurse(incumbent) Democratic 6,41437.7%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1968 to 2020: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2024.
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Cite this page
Election Wrld. (2026). Iowa State Senate District 48, election results 1968 to 2024. https://www.electionwrld.com/ia/senate/48. Retrieved October 31, 2026.
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<iframe src="https://www.electionwrld.com/embed/ia/senate/48" title="Iowa Senate District 48" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:ia/sldu:48
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026