2010Final results
2010 election for Iowa's 4th District
U.S. House · Iowa
Tom Latham (R) won with 65.6% of the vote, defeating Bill Maske (D) by 33.7 points.
Tom LathamRepublican · winner
65.6%152,588
Bill MaskeDemocrat
32.0%74,300
Dan LensingOther party
2.4%5,499
232,519 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 2010
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.
Bill MaskeTom Latham
$142.9K
Raised by the campaign
$1.3M
$142.8K
Spent by the campaign
$806.6K
$91
Cash on hand
$591K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010