The counties covered by each Senate district are listed in italics, with (parentheses) if the county extends into other districts.

The county extended military control over a segment of this productive matrix and was the entry point for goods to channel upward to the Imperial City.

Again, the county theoretically extended west to the Pacific Ocean.

These counties extended from the northern to the southern boundaries of the territory.

The large county originally extended to the Tennessee line.

The municipality's outlying districts and counties extend into the mountains that surround the city from the southwest to the northeast.

At the same time the county extended the original courthouse and the 1937 addition west to abut the annex and joined their hallways.

The county also extended the 1937 addition and the old school house on the east side.

The county included the Quebec City metropolitan area and extended northwestward.