New data from U.S. Immigration and Customs Enforcement shows that both removals and administrative arrests have increased in Northern California.

ICE's San Francisco office, whose area of responsibility includes Northern California, Hawaii, Guam and Saipan, reported 7,231 arrests in fiscal year 2017.

That's almost 9 percent more than the 6,651 arrests in fiscal year 2016. Removals also increased more than 6 percent between fiscal years 2016 and 2017.

ICE said the new data demonstrates a "continued commitment" to removing immigrants in violation of U.S. law. The agency also cited President Trump's January 2017 executive order, which directs agencies to "employ all lawful means" to enforce immigration laws.

University of California, Davis Law School Dean and immigration expert Kevin Johnson said Bay Area arrests may be motivated by concern over San Francisco's so-called sanctuary law.

"Attorney General Jeff Sessions and the Interim Director of Immigration and Customs Enforcement, including after the recent defense verdict in the Kate Steinle case, have been critical of the San Francisco law," said Johnson.