UPDATE: 42nd Wisconsin Assembly District: GOP incumbent Keith Ripp defeats Democratic challenger George Ferriter

Source:  Milwaukee Journal Sentinel

Margin of victory (percentage points)

AD1.    20.2

AD2.    38.8

AD3.    21.2
AD4.    19.4
AD5.    29.2
AD6.    40.4
AD7.    17.9
AD14.  14.6
AD21.  18.8
AD25.  30.0
AD26.  19.0
AD27.  24.8
AD28.  27.8
AD29.  22.2
AD30.  17.9
AD31.  28.2
AD32.  25.2
AD33.  25.2
AD34.  26.0
AD35.  32.2
AD37.  23.8
AD38.  25.6
AD39.  34.8
AD40.  29.0
AD41.  41.2
AD42.  17.4

As you can see, no close races so far.

Other election updates:
1st Assembly District.  (11/27/2016)
2nd Assembly District.  (11/27/2016)
3rd Assembly District.  (11/27/2016)
4th Assembly District.  (11/27/2016)
5th Assembly District.  (11/27/2016)
6th Assembly District.  (11/27/2016)
7th Assembly District.  (11/28/2016)
14th Assembly District. (11/28/2016)
21st Assembly District.  (11/28/2016)
25th Assembly District.  (11/28/2016)
26th Assembly District.  (11/28/2016)
27th Assembly District.  (11/28/2016)
28th Assembly District.  (11/29/2016)
29th Assembly Distrrict.  (11/29/2016)
30th Assembly District.  (11/29/2016)
31st Assembly District.  (11/29/2016)
32nd Assembly District.  (11/29/2016)
33rd Assembly District.  (11/29/2016)
34th Assembly District.  (11/30/2016)
35th Assembly District.  (11/30/2016)
37th Assembly District.  (11/30/2016)
38th Assembly District.  (11/30/2016)
39th Assembly District.  (11/30/2016)
40th Assembly District.  (11/30/2016)

9/4/2016 update, "Democratic challenger George Ferriter and 4-term GOP incumbent Keith Ripp in 42nd Wisconsin Assembly District", starts here.

A rematch of the 2014 general election.

Sources:  Ballotpedia, WI Government Accountability Board

Campaign links:

Keith Ripp for State Assembly

Ferriter for Assembly

George Ferriter for 42nd Assembly (Facebook)

Other 2016 updates:

Who's running for state office in Wisconsin 2016 (The unopposed edition).  (6/12/2016)

6 years later, Andre Jacque comfortably ensconced in Wisconsin State Assembly.  (7/11/2016)
Three State Assembly representatives from Milwaukee running for re-election unopposed in 2016.  (7/12/2016)
State Assembly races: 3 suburban Milwaukee Republicans running unopposed.  (7/19/2016)
Wisconsin State Assembly incumbents Mursau, Ballweg, Schraa running unopposed this fall.  (7/25/2016)
Rock County Wisconsin Assembly incumbents Kolste, Spreitzer running unopposed in fall election.  (7/26/2016)
Zamarripa beats Manriquez for 4th time in 8th Wisconsin Assembly District Dem primary.  (8/10/2016)
Incumbent Zepnick survives challenge in 9th Wisconsin Assembly District Dem primary.  (8/10/2016)
Self-proclaimed "I'm not perfect" candidate wins 11th Wisconsin Assembly District Dem primary.  (8/10/2016)
With primary win, Leon Young will serve 13th term in 16th Wisconsin Assembly District.  (8/10/2016)
David Crowley wins open-seat 17th District Wisconsin Assembly Dem primary.  (8/10/2016)
Sinicki easily survives challenge in 20th Wisconsin Assembly District Dem primary.  (8/10/2016)
Don Vruwink wins 43rd Wisconsin Assembly District Democratic primary election.  (8/12/2016)
Jimmy Anderson wins 3-way primary in 47th Wisconsin Assembly District.  (8/13/2016)
Art Shrader easily wins 50th Wisconsin Assembly District Democratic primary.  (8/13/2016)
It's Dennis Hunt vs. Rob Summerfield in 67th Wisconsin Assembly District fall general election.  (8/14/2016)
David Gorski beats Russ Brown in 72nd Wisconsin Assembly District Democratic primary.  (8/14/2016)
Feel the Bern: Wischmeier gets singed in challenge to Hillary supporter and 78th Wisconsin Assembly District incumbent Lisa Subeck.  (8/15/2016)

Sondy Pope easily dispatches faux Democrat in 80th Wisconsin Assembly District primary.  (8/17/2016)
With no Dem in fall election, Chuck Wichgers wins 83rd Wisconsin Assembly seat in GOP primary.  (8/17/2016)
John Spiros-Nancy Stencil rematch in 86th Wisconsin Assembly District.  (8/19/2016)
Mondovi mayor wins 92nd Wisconsin Assembly District primary in low-turnout election.  (8/19/2016)
Lena Taylor easily withstands Mandela Barnes challenge in 4th Wisconsin Senate District.  (8/21/2016)
It's Mark Harris vs. Dan Feyen in 18th Wisconsin Senate District November election.  (8/21/2016)
Both Jen Shilling and Dan Kapanke win big in 32nd Wisconsin Senate District primaries,  (8/21/2016)

Original 9/28/2014 post starts here.

Republican incumbent vs. Democratic challenger

Keith Ripp, Republican incumbent

• Campaign website
• Facebook (177 likes) 
• Twitter  (57 followers)
• Wisconsin Eye interview (8/25/2014)
• Cash on hand (as of 8/18/2014):   $50,276.45

George Ferriter, Democratic challenger

• Campaign website
• Facebook (520 likes) 
• Twitter (12 followers)
• LinkedIn 
• Wisconsin Eye interview (8/26/2014) 
• Cash on hand (as of 8/18/2014): $34,747.54

42nd Assembly District, which includes parts of Columbia, Dane, Dodge, Green Lake, Marquette, and Fond du Lac counties.

Public libraries in the 42nd Assembly District

Angie W. Cox Public Library, PardeevilleBrandon Public Library
Jane Morgan Memorial Library, Cambria
Endeavor Public Library
Fox Lake Public Library
Hutchinson Memorial Library, Randolph
Lodi's Women's Club Public Library
Mill Pond Public Library, Kingston
Poynette Area Public Library
Rio Community Library
Wyocena Public Library

Related posts and notes:

1st Senate District  (9/6/2014)

• 1st Assembly District.  (8/26/2014)
• 2nd Assembly District.  2-term Republican Andre Jacque (De Pere) is running unopposed.
• 3rd Assembly District.  14-term Republican Al Ott (Forest Junction) is running unopposed.

2nd Senate District.  7-term Republican Rob Cowles (Green Bay) is not up for re-election this year.   Cowles also served in the Assembly from 1982 to 1987.

• 4th Assembly District.  (8/27/2014)
• 5th Assembly District.  (8/29/2014)
• 6th Assembly District.  4-term Republican Gary Tauchen (Bonduel) is running unopposed.

3rd Senate District:  3-term Democrat Tim Carpenter (Milwaukee) is running unopposed.

• 7th Assembly District. (9/2/2014)
• 8th Assembly District.  (9/3/2014)
• 9th Assembly District. 6-term Democrat Josh Zepnick (Milwaukee) is running unopposed.

4th Senate District.  Three-term Democrat Lena Taylor (Milwaukee) is not up for re-election this year.

• 10th Assembly District.  Democratic newcomer David Bowen (Milwaukee) won a 4-way Democratic primary and is running unopposed.
• 11th Assembly District.  Freshman Democrat Mandela Barnes (Milwaukee) is running unopposed.
• 12th Assembly District.   (9/4/2014)

5th Senate District (9/8/2014)

• 13th Assembly District.  Freshman Republican Rob Hutton (Brookfield) is running unopposed.
• 14th Assembly District.  2-term Republican Dale Kooyenga (Brookfield) is running unopposed. 
• 15th Assembly District. (9/5/2014)

6th Senate District.  Freshman Democrat Nikiya Harris Dodd (Milwaukee) is not up for re-election this year.

• 16th Assembly District.  11-term Democrat Leon Young (Milwaukee) is running unopposed.
• 17th Assembly District (sorry, somehow got lost in the shuffle; need to re-do)
• 18th Assembly District.  Freshman Democrat Evan Goyke (Milwaukee) is running unopposed.

7th Senate District.  (9/9/2014)

• 19th Assembly District (9/12/2014)
• 20th Assembly District (9/13/2014)
• 21st Assembly District.  Freshman Republican Jessie Rodriguez (Franklin) is running unopposed

8th Senate District.  6-term Republican Alberta Darling (River Hills) is not up for re-election this year.   Darling also served 2 1/2 years in the Assembly (May 1990-January 1993)

• 22nd Assembly District.  (9/14/2014) 
• 23rd Assembly District.  (9/16/2014)
• 24th Assembly District.  3-term Republican Dan Knodl (Germantown) is running unopposed.

9th Senate District.  (9/15/2014)

• 25th Assembly District.  Freshman Republican Paul Tittl (Manitowoc) is running unopposed. 
• 26th Assembly District.  (9/16/2014) 
• 27th Assembly District.  (9/18/2014) 

10th Senate District.  4-term Republican Sheila Harsdorf (River Falls) is not up for re-election this year.  Harsdorf also served 12 years in the Assembly (1989-2001)

• 28th Assembly District.  (9/19/2014)
• 29th Assembly District.   4-term Republican John Murtha (R-Baldwin) is running unopposed.
• 30th Assembly District.   (9/20/2014) 

11th Senate District.  (9/22/2014)

• 31st Assembly District.  2-term Republican Amy Loudenbeck (Clinton) is running unopposed. 
• 32nd Assembly District.  (9/21/2014)
• 33rd Assembly District.  Republican candidate Cody Horlacker (Mukwanago) is running unopposed.

12th Senate District.  First-term Republican Tom Tiffany (Town  of Little Rice) is not up for re-election this year.  (Tiffany also served in the Assembly for 2 years -- 2011-2013.)

• 34th Assembly District.  Freshman Republican Rob Swearingen (Rhinelander) is running opposed.
• 35th Assembly District.  Freshman Republican Mary Czaja (Irma) is running unopposed.
• 36th Assembly District.  5-term Republican Jeff Mursau (Crivitz) is running unopposed.

13th Senate District.  (9/23/2014)

• 37th Assembly District.  (9/24/2014) 
• 38th Assembly District.  (9/25/2014) 
• 39th Assembly District.  (9/26/2014) 

14th Senate District.  3-term Republican Luther Olsen (Ripon) is not up for re-election this year.  (Olsen also served 10 years in the Assembly, first elected in 1994.)

• 40th Assembly District.  4-term Republican Keith Peterson (Waupaca) is running unopposed.
• 41st Assembly District.  (9/27/2014)