Mark Costello (Iowa politician)

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Mark Costello
Mark Costello 86thGA.jpeg
Member of the Iowa Senate
from the 12th district
Assumed office
December 30, 2014
Preceded by Joni Ernst
Member of the Iowa House of Representatives
from the 23rd district
In office
January 14, 2013 – December 30, 2014
Preceded by Dan Rasmussen
Succeeded by David Sieck
Personal details
Born (1961-10-24) October 24, 1961 (age 56)
Political party Republican
Spouse(s) Rachel
Children 4
Residence Imogene, Iowa
Alma mater University of Northern Iowa
Website Costello's website

Mark Costello (born October 24, 1961) is the Iowa State Senator from the 12th District.[1] He previously served as an Iowa State Representative in the 23rd District. A Republican, he served in the Iowa House of Representatives from 2013–2014 and the Iowa State Senate since 2015. Costello resides in Imogene, Iowa. He has a B.A. in computer information systems from the University of Northern Iowa.


Mark Costello (R-Imogene) was first elected to the Iowa House in 2012 representing House District 23.

Mark served as Vice Chair of the Iowa House Health & Human Resources Budget Subcommittee. His other committee assignments for the 85th General Assembly include: Human Resources, State Government, Veterans Affairs, and Labor.

He won the December 30, 2014 special election to replace Senator Joni Ernst as the Iowa State Senator from District 12.[2]

Electoral history[edit]

Election Political result Candidate Party Votes %
Iowa House of Representatives primary elections, 2012 [3]
District 23
Turnout: 3,183
Republican Mark CostelloRepublican1,71053.72%
Raymond Chase Republican85426.83%
Iowa House of Representatives general elections, 2012 [4]
District 23
Republican (newly redistricted) Mark CostelloRepublicanunopposed


External links[edit]

Iowa House of Representatives
Preceded by
Dan Rasmussen
23rd District
2013 – present
Succeeded by