The lake was frozen in the following years: 1223, 1259, 1262, 1407, 1491, 1514, 1517, 1573, 1600, 1660, 1684, 1695, 1709, 1716, 1718, 1740, 1755, 1763, 1789, 1830, 1880, 1891, 1895, 1929 and 1963.
The three population around the lake are Zurich, Pfäffikon SZ and Rapperswil. The Zürichsee-Schifffahrtsgesellschaft – the Lake Zurich Navigation Company – offers with its 17 passenger ships touristic services on Lake Zurich. There are a number of passenger ferry services, noticeably the Horgen–Meilen ferry, an auto ferry between Horgen and Meilen.
Zurich, at the north-western end of the lake, is the largest city on Lake Zurich. On the opposite shore are Küsnacht, Meilen, Stäfa, and Rapperswil-Jona with the medieval town of Rapperswil.
Lake Zurich's water is very clean and reaches, during summer, temperatures well beyond 20°C. Swimming in the public baths and beaches is very popular. The lake's water is purified and fed into Zurich's water system; it is potable.