2012Final results
2012 election for Iowa's 3rd District
U.S. House · Iowa
Tom Latham (R) won with 52.2% of the vote, defeating Leonard L. Boswell (D) by 8.6 points.
Tom LathamRepublican · winner
52.2%202,000
Leonard L. BoswellDemocrat
43.6%168,632
Scott G. BatcherIndependent
2.4%9,352
David RosenfeldSocialist Workers
1.6%6,286
386,842 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Leonard L. BoswellTom Latham
$1.7M
Raised by the campaign
$3.4M
$1.8M
Spent by the campaign
$3.9M
$46.6K
Cash on hand
$117.6K
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012
The candidates
Tom Latham (R)Leonard L. Boswell (D)
Also on the ballot: Scott G. Batcher (Independent), 2.4%; David Rosenfeld (Socialist Workers), 1.6%