Plainfield [Windham County] Connecticut was settled in 1689 as Quinabaug and incorporated as Plainfield in 1700.

Area, 43.0 sq. miles. Population, est., 14,593. Voting districts, 4. Principal industries, cement blocks, chemical products, assembly parts for manufacture of helicopters, automotive rubber strips, rubber laboratory stoppers, plastics and styrene, machine tools and accessories, concrete pipe, rubber molded parts, tools and dies, screen printed materials and electronic components.

The town of Plainfield includes four villages: Moosup, Plainfield, Central Village and Wauregan.

Plainville [Hartford County] Connecticut was named in 1831 from its earlier name "Great Plain". Incorporated from Farmington in July, 1869.

Area, 9.8 sq. miles. Population, est., 16,770. Voting districts, 5. Principal industries, manufacture of electrical sundries, grinding machines and springs.

Plymouth [Litchfield County] was formerly known as Northbury. It was incorporated from Watertown in 1795 and named from the origin of one of its early settlers.

Area, 22.3 sq. miles. Population, 2000 Census, 11,634. Voting districts, 2. Principal industries, agriculture and manufacture of locks, meters, pumps, computers, screw machine products, plastics, electronics, mailable iron castings and hardware.

Pomfret [Windham County] Connecticut was settled in 1686. It was incorporated in 1713 and named from Pontefract in Yorkshire. Its Indian name is Mashamoquet.

Area, 40.6 sq. miles. Population, est., 3,442. Voting Districts, 1. Principal industries, agriculture dairy, forest products, manufacture of cable and cable products, fiberoptics, processing of frozen food dinners.

Pomfret includes the areas known as Pomfret Center and Abington.

Portland [Middlesex County] was incorporated from Chatham in 1841 and named from Portland, Dorsetshire, famed for quarries. Its original name was Conway.

Area, 24.9 sq. miles. Population, est., 8,796. Voting Districts, 1. Principal industries, agriculture, manufacture of automatic packaging machinery and corrugated boxes, precision tools, feldspar quarries and milling, rubber and plastic products, fertilizer, petroleum and bituminous product distributors, four boat yards and three golf courses.

Preston [New London County] was incorporated in 1686 and named in 1687, probably from the Preston in Suffolk, England, in honor of the Thomas Parke family.

Area, 31.8 sq. miles. Population, est., 5,024. Voting Districts, 1. Principal industries, agriculture and manufacture of brass.

Prospect [New Haven County] was incorporated from Cheshire and Waterbury in May, 1827 and named as a fine lookout place. It was formerly known as Columbia parish.

Total area, 14.5 sq. miles, Land area, 14.3 sq. miles. Population, est., 9,036. Voting districts, 2.

Putnam [Windham County] Connecticut was incorporated from Pomfret, Thompson and Killingly in 1855. Its name derives from Israel Putnam and its Indian name is Quinebaug.

Area, 20.4 sq. miles. Population, est., 8,879. Voting districts, 2. Principal industries, corrugated cardboard, plastic injection molding, winches, buttons, antiques, manufacturing of candles, machine tooling, production of polystyrene, processing of sail cloth, textile engraving and chrome plating.