Arizona’s 16th Legislative District is one of 30 in the state, covering portions of Maricopa and Pinal counties. As of 2021, there are 46 precincts in the district, 25 in Maricopa and 21 in Pinal, with a total registered voter population of 169,513. The district has an overall population of 253,114.
https://en.wikipedia.org/wiki/Arizona%27s_16th_legislative_district