Sen. Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE (D-Calif.) drew the most viewers among five Democratic presidential candidates featured in town halls Monday night on CNN.

The town hall event featuring Harris and running in the 10 p.m. hour drew 1.4 million viewers, according to Nielsen Media Research.

Sen. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.) drew the second most viewers, with 1.3 million viewers watching him in the 9 p.m. hour on Monday.

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South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegThe Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice Hillicon Valley: FBI, DHS warn that foreign hackers will likely spread disinformation around election results | Social media platforms put muscle into National Voter Registration Day | Trump to meet with Republican state officials on tech liability shield MORE fared well in the 11 pm hour, drawing 1.2 million viewers. Sen. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE's (D-Mass.) town hall at 8 p.m. also drew approximately 1.2 million viewers.

Sen. Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.) at 7 p.m. was last in viewers among the five candidates, attracting 869,000 viewers.

Overall, Fox News still won the ratings night, with an average of 2.3 million viewers between 7 p.m. and midnight, compared to 1.8 million for MSNBC and 1.2 million for CNN.

Fox News also won among the 25- to 54-year-old demographic targeted by advertisers, winning an average of 380,000 over the five hours.

CNN topped MSNBC in that demographic, with an average of 371,000 viewers to MSNBC's 285,000.

A town hall with Harris on Jan. 28 is still CNN's most-watched of the 20 town halls the network has hosted to date, drawing nearly 1.9 million viewers.

The highest rated town hall overall was seen on Fox News earlier this month and featured Sanders. It attracted nearly 2.6 million viewers.

Klobuchar and Buttigieg will be featured in Fox News town halls on May 8 and May 19, respectively.