At the present the town has a substantial production of cigars, candy, glass and mirrors, electric motors, electronics, and construction materials testing technology.

Beinwil has an area of 3.84 square kilometers and is situated in the Seetal valley, near the western edge of Hallwilersee.

The local population is predominantly German-speaking, with a small percentage of Albanian and Italian speakers.

The municipality also contains a UNESCO World Heritage Site—the prehistoric pile-dwelling (or stilt house) settlements around the Alps.

The power of Zwing und Bann (Manor rights as well as low justice) over the village, were inherited in about 1300 by the Stewards of Wolhusen, then donated in 1501 to Beromünster, and sold in 1520 to Bern.

The Counts of Hallwyl owned land on the lake (Dingstätte) to safeguard their maritime rights, which were first stipulated in 1419.

Religiously it originally belonging to the Pfeffikon parish, though it had a chapel that predates written records.

In 1964 the Roman Catholic Church of St. Martin was built in the municipality to service the growing diaspora community of Menziken-Reinach.

Economically, the decline in the 18th century of imported cotton processing was mitigated by the increasingly dominant tobacco industry (first factory in 1841).

Today, the industrial focus of the municipality is the manufacture of cigars, candy, glass and mirrors, electric motors, electronics and technology for testing construction materials.

17.4% of the total land area is heavily forested and 2.3% is covered with orchards or small clusters of trees.

[4] The blazon of the municipal coat of arms is Argent a Pile Azure in bend sinister issuant from base dexter.

[10] About 56.7% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement).

[14] Ägelmoos, a Bronze Age lake shore settlement, is listed as a Swiss heritage site of national significance.

The SBB owned Seetal railway line, to Luzern (south) and Lenzburg (north), has been upgraded and is becoming very popular once again.