It has been represented by Democrat Julie Pazina since 2022, succeeding Republican Joe Hardy.

[3] District 12 covers the southern and eastern exurbs of Las Vegas in Clark County, including Mesquite, Bunkerville, Moapa Valley, Boulder City, Laughlin, and parts of Henderson and the Fort Mojave Indian Reservation.

[3] The district is home to the Hoover Dam.

[4] It borders the states of Arizona and California.

[1] Nevada Senators are elected to staggered four-year terms; since 2012 redistricting, the 12th district has held elections in midterm years.