|Iowa House of Representatives District 39|
| Assumed office|
| Current term ends|
Pettengill has served as Commissioner of the Department of Elder Affairs, and worked in the retirement and financial services industry.
She is a member of the Belle Plaine Optimists Club and Advisor to the Mount Auburn Youth Council.
- Ethics (Ranking Member)
- Rebuild Iowa and Disaster Recovery
- State Government
- Subcommittee on Transportation, Infrastructure, and Capitals Appropriations
- Ways and Means
Pettengill is running for re-election to the 39th District Seat in 2010 with no opposition. She was also unopposed in the Republican primary. The general election takes place on November 2, 2010.
On November 4, 2008, Pettengill was re-elected to the 39th District Seat in the Iowa House of Representatives, defeating Terry Hertle (D).  Pettengill raised $117,687 for her campaign, while Hertle raised $39,801. 
|Iowa House of Representatives, District 39|
|Dawn Pettengill (R)||8,291|
|Terry Hertle (D)||6,893|
In 2008 Pettengill collected $117,687 in donations.
Her four largest contributors were:
|Iowa Republican Party||$30,363|
|Iowans for the Right to Work||$5,000|
|Iowans for Tax Relief||$5,000|
|Iowa Bankers Association||$4,500|
- Dawn Pettengill's Personal Website
- Dawn Pettengill on the Iowa House Website
- Project Vote Smart Bio
- Project Vote Smart Legislative Profile
- Campaign Contributions: 2008, 2006, 2004
- Iowa House District 39 on Facebook
|Iowa House of Representatives District 39
| Succeeded by|
State of Iowa
Des Moines (capital)
|State executive officers||
Governor | Lieutenant Governor | Attorney General | Secretary of State | Treasurer | Auditor of State | Director of Education | Commissioner of Insurance | Secretary of Agriculture | Director of Natural Resources | Commissioner of Labor | Chair of Utilities |