city in December 1996. In 2009, the city received record-breaking rainfall and the Lake Berkeley Dam was damaged. The lake was subsequently drained and, with the help of FEMA, repaired. The Lake Berkeley Dam repairs were completed in 2013, and the lake returned to full pool in 2014. Geography Berkeley Lake is in western Gwinnett County, bordered by Duluth to the east, Peachtree Corners to the south and west, and Johns Creek to the north. The northern boundary of the city follows the Chattahoochee River, which is also the Fulton County line. Peachtree Industrial Boulevard is the main road through the city. The community consists of several subdivisions around an private lake. According to the United States Census Bureau, the city has a total area of , of which is land and , or 10.14%, is water. Demographics 2020 census As of the 2020 United States census, there were 2,054 people, 687 households, and 592 families residing in the city. 2010 census As of the census of 2010, there were 1,574 people, 472 households, and 474 families residing in the city. The population density was . There were 606 housing units at an average density of . The racial makeup of the city was 75.5% White, 5.7% African American, 0.1% Native American, 14.3% Asian, 1.3% from other races, and 3.1% from two or more races. Hispanic or Latino of any race were 3.6% of the population. There were 572 households, out of which 37.2% had children under the age of 18 living with them, 75.7% were married couples living together, 5.6% had a female householder with no husband present, and 17.1% were non-families. 13.3% of all households were made up of individuals, and 5.8% had someone living alone who was 65 years of age or older. The average household size was 2.75 and the average family size was 3.04. In the city, the population was spread out, with 25.3% under the age of 18, 3.9% from 18 to 24, 18.7% from 25 to 44, 40.4% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 46.0 years. For every 100 females, there were 98.5 males. For every 100 females age 18 and over, there were 92.6 males. According to the 2015 American Community Survey, the median income for a household in the city was $118,571, and the median income for a family