Arizona's 3rd Congressional District
Arizona · AZ-03
Arizona's 3rd Congressional District is one of 9 U.S. House districts in Arizona, represented in Congress by Yassamin Ansari (Democrat). It is home to roughly 806,080 people, with a median age of 31.2. The population is about 63% Hispanic. The median household income is $64,887, and 19% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Democratic (D+40).
Representative
Current U.S. House member (source: house.gov).
Geography
AZ-03 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 207 square miles, AZ-03 is the 376th-largest of the 435 congressional districts by land area. With about 3,894 residents per square mile, it is a heavily urban district. Its shape is fairly compact: the district's Polsby-Popper score of 0.42 ranks 69th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 69% of AZ-03 voters backed Kamala Harris and 29% Donald Trump — a D+40 margin. That is a 11.0-point shift toward the Republicans from 2020, when the district voted D+51.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 31.2 years old, making this one of the youngest districts in the nation by median age; 27.4% of residents are under 18 and 8.4% are 65 or older. About 24.7% of residents were born outside the United States, and 51.8% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $64,887, the district's median household income ranks 352nd of 435 districts nationwide. The typical owner-occupied home is worth $298,210, and the median rent is $1,348 a month. 19.9% of residents live below the poverty line, and workers average a 28.7-minute commute (12.2% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).