Redistricting has resulted in the lack of an incumbent in seven of Pennsylvania's 18 congressional districts.
The state's congressional map was officially changed this year after the U.S. Supreme Court and a federal panel dismissed GOP challenges to toss out the redrawn map, which was put in place by the state's highest court.
Democrats have high hopes for the OR primary, being only one seat away from a three-fifths majority in both the state House and Senate.
The polls are open from 7 a.m.to 8 p.m., so invest just a few minutes today in your important right to participate in our democracy. An outsider, Ahlquist has outspent the other two, pouring $2.16 million into the race, $1.87 million of which came from his own pocket. On Tuesday's Republican ballot for the nomination to challenge him in the November election are three people: Scott Wagner, a state senator from York County who has made millions in the waste-hauling industry; Paul Mango, a former health care systems consultant; and Laura Ellsworth, a commercial litigation attorney and former chairwoman of the Greater Pittsburgh Chamber of Commerce. Each ballot will contain only that respective party's candidates. Casey is unopposed for the Democratic nomination today. Sens. Ernie Harris, Mike Wilson, Julie Raque Adams and Dan Seum face Republican primary challengers. In a state that Donald J. Trump won by more than 30 percentage points and has not elected a Democratic governor since 1990, the Republican primary on Tuesday is nearly certainly where Mr. Otter's successor will be chosen. That decision - in combination with a sex scandal - led to two resignations and one retirement from Republican incumbents in the state, and a landscape in which Democrats have got a shot at picking up four net House seats, and possibly more.
Republicans will choose from five candidates: Kathleen Ann Coder, Jeffrey Bartos, Marguerite Luksik, and Diana Irey Vaughan.
Barletta is heavily favored over state Rep. Jim Christiana to become the Republican challenger for Democratic Sen. Chuck Eddy is challenging Barr in the Republican primary.
There are no contested primaries in Benton County's main legislative districts - sitting District 8 Sen. Comer, Guthrie and Massie are unopposed in the primary.
The newly drawn 2nd District includes portions of Northeast Philadelphia stretching from approximately Spring Garden Street to Somerton.
Rep. Raul Labrador (R-Idaho) is a former immigration lawyer finishing up his fourth term in the House of Representatives. In the 5th District, the Democratic candidates are Kenneth Stepp and Scott Sykes.
Democrat primary candidates are Lawrence Arata III, Margo Lomax Davidson, Thaddeus Kirkland, Richard Lazer, Ashley Lunkenheimer, Lindy Li, Mary Gay Scanlon, Molly Marie Sheehan, Gregory Vitali, and Theresa Wright. On the Republican side, Michele Brooks of Mercer County, the incumbent state senator, seeks her party's nomination to try for a second term. Unaffiliated voters may only return one party's ballot. Should these county commission seats be nonpartisan, the way that city council seats in the mid-valley tend to be? And a handful of communities have ballot questions for their voters to decide, as in the Chartiers Valley School District, which is deciding on whether to hike taxes to finance enhanced school security.