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