Crystal Lake is a city located in southeastern McHenry County, Illinois in northeastern Illinois. It is named after Crystal Lake, a 230 acre (93 ha)] lake 1.6 miles (2.6 km) west-southwest of downtown. The population was 38,000 at the 2000 census. Crystal Lake is the biggest city in McHenry county.
= Founding =
The City of Crystal Lake traces its origin to two separate communities which were established in the 1800s. Those communities were generally known as Nunda and Crystal Lake. In 1835, Ziba S. Beardsley had come to the shores of the lake and commented that the owaters were as clear as crystal?, thereby giving the lake its name. Ziba...

Crystal Lake is a city located in southeastern McHenry County, Illinois in northeastern Illinois. It is named after Crystal Lake, a 230 acre (93 ha)] lake 1.6 miles (2.6 km) west-southwest of downtown. The population was 38,000 at the 2000 census. Crystal Lake is the biggest city in McHenry county.
= Founding =
The City of Crystal Lake traces its origin to two separate communities which were established in the 1800s. Those communities were generally known as Nunda and Crystal Lake. In 1835, Ziba S. Beardsley had come to the shores of the lake and commented that the owaters were as clear as crystal?, thereby giving the lake its name. Ziba Beardsley continued south to Naperville, Illinois. In February 1836, the first white settlers, Beman and Polly Crandall and six of their ten children, came from New York State traveling to Crystal Lake in a covered wagon. Their original cabin was built in the vicinity of today's intersection of Virginia Street and Van Buren Street. Four of the Crandall children were born there. Najah BeardsleyTs family was the second to settle in the area; his grandson, William Beardsley, was the first white child born on the Crystal Lake prairie, on May 7, 1837.

The town was first known as Crystal Ville. It was changed to Crystal Lake sometime before 1840. The area known today as downtown Crystal Lake was first called Dearborn and later, Nunda, from an area in New York where many settlers originated. The village of Dearborn was founded in the 1850s after an extension of railroads through the area. The first train station was built in 1856, although it was pre-fabricated and shipped from Chicago on a flatcar. At that time, the main business district for the village of Crystal Lake was located on Virginia Street, about one mile southwest of the railroad station. The railroad served to connect both the people and industries of Crystal Lake and Dearborn to Chicago and the rest of the country. Dearborn grew quickly due to this new rail connection.

On October 7, 1868, DearbornTs name was changed to Nunda. The village was platted in 1868 by local surveyor, John Brink, after whom a downtown street is now named. The village included the area now generally bounded by Illinois Route 176 on the north, Crystal Lake Avenue on the south, Main Street on the east, and Walkup Avenue on the west. Much of the land was originally owned by two early settlers, Daniel Ellsworth and Simon S. Gates. The villages of Crystal Lake and Nunda were both incorporated in 1874. In 1908, the name of the village of Nunda changed its name to North Crystal Lake. Several attempts were made to consolidate the two villages, and finally, after much disagreement, the village of North Crystal Lake was annexed to the Village of Crystal Lake in 1914, and a consolidated city government was established.

= The Dole family =
Back in the 1860s, when the town of Crystal Lake was about 25 years old, Charles S. Dole purchased over 1,000 acres (4 km²) of land overlooking the lake. It was his dream to construct an elaborate estate that would reflect his position as a successful businessman. He was an early member of the Chicago Board of Trade, being associated with Armour, Dole - Co. in Chicago. To carry out his plan, he built a three-story mansion with adjoining gardens and stables. European craftsmen were imported to lay parquet floors, fashion archways and carve interior wood work from black walnut trees grown on the property. As a final touch, he brought in Italian artisans to build several marble fireplaces. According to Mr. Dole's obituary, construction costs exceeded $100,000, an enormous amount of money in those days.