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Arizona primary day
Arizona held its primary elections on Tuesday, July 21, with polls open until 7 p.m. MST, as voters chose nominees for governor, secretary of state, attorney general, treasurer and state superintendent of public instruction.
“Arizona voters head to the polls on Tuesday to choose party nominees in races that could help determine who controls the US House of Representatives and whether Republicans can flip one of the country’s most competitive Democratic governorships”
In Maricopa County, FOX 10 Phoenix reported that "More than 50,000 voters have checked in to cast ballots" and that, as of 3:30 p.m., "approximately 53,600 voters have checked in."
The U.S. Department of Justice said it was monitoring polling sites in Arizona, with KTAR News 92.3 reporting that DOJ staff from the Civil Rights Division’s Voting Section and the U.S. Attorney’s Office in Arizona were watching polls in Maricopa, Apache and Pima counties.
The DOJ monitoring effort was described by KTAR News 92.3 as aimed at ensuring transparency, ballot security and compliance with federal law, with Assistant Attorney General Harmeet K. Dhillon saying, "Transparent election processes and election monitoring are critical tools for safeguarding our elections".
Connectivity and power
FOX 10 Phoenix said Maricopa County was investigating reported internet issues at polling centers and quoted Jennifer Liewer, deputy elections director for communications for Maricopa County, saying "These poll books are connected to the voter registration database through a secure VPN."
Liewer told FOX 10 that "Approximately 99% of our more than 1900 poll books are currently functioning as intended," and that at no point was anyone turned away.
AZ Family reported that a small number of devices used to check in voters experienced brief connectivity problems during Tuesday’s primary, and that the issue was related to Maricopa County’s electronic poll (e-poll) books.
AZ Family also said two voting locations—Wittmann Assembly of God in Wittmann and Friends of Circle City in Morristown—experienced a power outage around 11:20 a.m., but that power was quickly restored within the hour.
What’s at stake
The NBC News live results framing for Arizona’s 2026 House primary emphasized that the 1st and 6th Districts are among the most hotly contested battleground seats, with Democrats and Republicans battling for the House majority in 2027.
“July 21, 2026 | 3:21 PM Cadena 3 staff PHOENIX (AP) — Arizona Republicans will hold their primary elections on Tuesday to select the nominees who will face Democrats in key statewide offices, as the party seeks to regain influence in a state it once dominated”
PBS, citing AP, said Arizona Republicans chose a nominee in a state primary Tuesday to challenge Democratic Gov. Katie Hobbs in November, and it described the eventual winner and statewide political organization as potentially playing a role in the 2028 presidential campaign.
NPR described the primaries as setting the stage for contested fall races in a swing state, saying Republicans would try to flip the governor’s office while Democrats hoped to pick up seats in the U.S. House.
In the DOJ monitoring context, KTAR News 92.3 said Civil Rights Division personnel would be available through Election Day on Nov. 3 to answer questions and complaints from the public about possible violations of federal voting rights laws, and it quoted U.S. Attorney Timothy Courchaine saying, "Our democracy depends on free and fair elections."
