Each state of the United States selects two senators to represent their states in the United States Senate. In 1913, the 17th Amendment[?] to the United States Constitution provided for the direct popular election of senators; prior to this, senators were selected by state legislatures.
... 39.0% are non-families. 31.9% of all households are made up of individuals and 16.8% have someone living alone who is 65 years of age or older. The average household size ...