Latest 2016 Presidential Polls: Donald Trump, Hillary Clinton With Narrow Leads

(L) Republican presidential candidate Donald Trump arrives for a campaign event at Clinton Middle School in Clinton, Iowa, on Jan. 30. (R) Democratic presidential candidate Hillary Clinton at the Carrollton Inn in Carroll, Iowa, on Jan. 30. Joe Raedle/Getty Images; Justin Sullivan/Getty Images

The latest presidential polls still have Donald Trump and Hillary Clinton on top, but Ted Cruz and Bernie Sanders have plenty of support as well.

In the Democratic field---where it’s basically Clinton vs Sanders---the close race was illustrated by the latest poll, from the Des Moines Register and Bloomberg.

That Iowa caucus poll, published on Saturday, had Clinton with 45 percent of the support and Sanders with 42 percent.

But two polls published on Friday showed Clinton with larger leads---PPP had Clinton with 48 percent of the vote and Sanders with 40 percent; and Gravis had Clinton with 53 percent of the vote and Sanders with 42 percent.

Democratic presidential candidate Sen. Bernie Sanders, I-Vt., speaks during a campaign rally at the University of Iowa, Jan. 30, in Iowa City, Iowa. AP Photo/Evan Vucci