State Representative

Mark Costello

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State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	91
Dates Served:	01/13/2025 - 01/10/2027
District:	8

Term

Serving fourth term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School. Received B.A. in computer information systems from the University of Northern Iowa.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel, Atlantic.

Birth and Residence

Born in 1961 in Omaha, Nebraska. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	90
Dates Served:	01/09/2023 - 01/12/2025
District:	8

Term

Serving third term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School. Received B.A. in computer information systems from the University of Northern Iowa.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Omaha, Nebraska. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	89
Dates Served:	01/11/2021 - 01/08/2023
District:	12

Term

Serving third term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School. Received B.A. in computer information systems from the University of Northern Iowa.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Omaha, Nebraska. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	88
Dates Served:	01/14/2019 - 01/10/2021
District:	12

Term

Serving second term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School. Received B.A. in computer information systems from the University of Northern Iowa.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Omaha, Nebraska. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	87
Dates Served:	01/09/2017 - 01/13/2019
District:	12

Term

Serving second term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School, received B.A. in computer information systems from University of Northern Iowa.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Omaha. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Senator

Republican


Bills & Committees
Occupation:	Farmer
Home County:	Mills
General Assembly:	86
Dates Served:	01/12/2015 - 01/08/2017
District:	12

Term

Serving first term in Senate. Served one term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School, received B.A. from University of Northern Iowa in computer information systems.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Imogene. Raised and resides in Imogene.

Family Members

Wife, Rachel; four sons and one daughter.

State Representative

Republican


Bills & Committees
Occupation:
Home County:	Mills
General Assembly:	85
Dates Served:	01/14/2013 - 01/11/2015
District:	23

Term

Serving first term in House.

Profession

Farmer.

Education

Graduated from Nishna Valley High School, earned B.A. from University of Northern Iowa in computer information systems.

Memberships and Activities

Past president of Mills County Farm Bureau and member of the county legislative committee. Served as trustee for Deer Creek Township in Mills County. Elder at Sunnyside Bible Chapel in Atlantic.

Birth and Residence

Born in 1961 in Imogene. Raised and resides in Imogene.

Family Members

Wife, Rachel; three sons and one daughter.