When Arizona became a state in 1912, it was allocated a single seat in the
United States House of Representatives
The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together they ...
, whose member was elected
at-large, or statewide.
Arizona was represented by a single member of the House until the
1940 Census
The United States census of 1940, conducted by the Census Bureau, determined the resident population of the United States to be 132,164,569, an increase of 7.3 percent over the 1930 population of 122,775,046 people. The census date of record w ...
gave Arizona a second seat. However, both members continued to be elected statewide (on a
general ticket) until 1949.
List of members representing the district
References
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Congressional Biographical Directory of the United States 1774–present
{{DEFAULTSORT:Arizona At-Large Congressional District
At-large
At-large United States congressional districts
Former congressional districts of the United States
Constituencies established in 1912
1912 establishments in Arizona
Constituencies disestablished in 1949
1949 disestablishments in Arizona