Many references and summaries given here.
https://en.wikipedia.org/wiki/Casualties_of_the_Israel%E2%80%93Hamas_war
As of 22 January, over 26,000 people (25,105 Palestinian and 1,410 Israeli[8]) have been killed in the Israel–Hamas war, including 83 journalists (76 Palestinian, 4 Israeli and 3 Lebanese) and over 136 UNRWA aid workers.[9][10]
Sorry. Wikipedia is not a credible source for political or current events. You can even scroll down to the bottom of your linked paged and see the sources used for it. Mostly Al Jazeera and other left-wing news sources.
<< 25,105 Palestinian (deaths) >>
Source: Hamas. Not exactly a reliable one.